Water Quality in GRAYLING, AK (99590)

EPA violation data for public water systems serving ZIP code 99590.

389

Total Violations

Health-Based

333

Monitoring / Reporting

383

Resolved

What does this mean?

383 of 389 violations have been resolved. 56 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 333 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 2 Population served: 231

Violations Detail (389 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
E. COLI	Monitoring	0	N/A	Aug 31, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Chlorine	Monitoring	N/A	N/A	Jul 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
E. COLI	Monitoring	0	N/A	Jul 31, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 30, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 30, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	Mar 31, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	Feb 28, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jan 31, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Dec 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Endothall	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
2,3,7,8-TCDD	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	Cardiovascular system or reproductive problems
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Nov 30, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Oct 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Oct 31, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jul 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 30, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Chlorine	Monitoring	N/A	N/A	May 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 30, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Mar 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Feb 29, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jan 31, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Dec 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 15, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Nov 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 15, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Oct 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jul 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
E. COLI	Monitoring	0	N/A	Jun 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 30, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
E. COLI	Monitoring	0	N/A	Mar 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Feb 28, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jan 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Toluene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Increased risk of cancer
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
E. COLI	Monitoring	0	N/A	Dec 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Benzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Nov 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Oct 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jul 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Mar 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Feb 28, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jan 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Dec 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
E. COLI	Monitoring	0	N/A	Dec 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
E. COLI	Monitoring	0	N/A	Nov 30, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Oct 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 30, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jul 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 30, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 30, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
E. COLI	Monitoring	0	N/A	Mar 31, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Feb 28, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations

Lead & Copper Levels

Violation Timeline

2025(41)

E. COLI

Aug 31Resolved

Chlorine

Jul 31Resolved

E. COLI

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

E. COLI

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

E. COLI

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Chlorine

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

E. COLI

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Chlorine

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

E. COLI

Mar 31Resolved

Surface Water Treatment Rule

Feb 28Resolved

E. COLI

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Chlorine

Feb 28Resolved

Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Chlorine

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

E. COLI

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

Chlorine

Jan 31Resolved

Chlorine

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

2024(90)

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Total Polychlorinated Biphenyls (PCB)

Dec 31Resolved

OXAMYL

Dec 31Resolved

Di(2-ethylhexyl) adipate

Dec 31Resolved

ETHYLENE DIBROMIDE

Dec 31Resolved

E. COLI

Dec 31Resolved

Endothall

Dec 31Resolved

Dalapon

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

TTHM

Dec 31Active

Methoxychlor

Dec 31Resolved

Toxaphene

Dec 31Resolved

2,4-D

Dec 31Resolved

LASSO

Dec 31Resolved

Picloram

Dec 31Resolved

Carbofuran

Dec 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Dec 31Resolved

2,3,7,8-TCDD

Dec 31Resolved

Benzo(a)pyrene

Dec 31Resolved

Chlordane

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

Diquat

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

Endrin

Dec 31Resolved

Heptachlor

Dec 31Resolved

Glyphosate

Dec 31Resolved

Chlorine

Dec 31Resolved

Chlorine

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Atrazine

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Dinoseb

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Active

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Simazine

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

E. COLI

Nov 30Resolved

Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

E. COLI

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Chlorine

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

E. COLI

Sep 30Resolved

Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Chlorine

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Surface Water Treatment Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Chlorine

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

E. COLI

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

E. COLI

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Chlorine

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

E. COLI

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

E. COLI

May 31Resolved

Chlorine

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

E. COLI

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

E. COLI

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Revised Total Coliform Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Surface Water Treatment Rule

Feb 29Resolved

E. COLI

Feb 29Resolved

Revised Total Coliform Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

E. COLI

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

2023(105)

Revised Total Coliform Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Chlorine

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

E. COLI

Dec 31Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

Public Notice

Dec 15Resolved

E. COLI

Nov 30Resolved

Surface Water Treatment Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Public Notice

Nov 15Resolved

Public Notice

Nov 15Resolved

Revised Total Coliform Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

E. COLI

Oct 31Resolved

Revised Total Coliform Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Chlorine

Sep 30Resolved

Surface Water Treatment Rule

Sep 30Resolved

E. COLI

Sep 30Resolved

Surface Water Treatment Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

E. COLI

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

E. COLI

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Active

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Active

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Active

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Active

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Lead and Copper Rule

Jun 30Resolved

Chlorine

Jun 30Resolved

E. COLI

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

E. COLI

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

E. COLI

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

Chlorine

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Chlorine

Mar 31Resolved

E. COLI

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

E. COLI

Feb 28Resolved

Revised Total Coliform Rule

Jan 31Resolved

E. COLI

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

2022(96)

CHLOROBENZENE

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Toluene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Nitrate

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Styrene

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

TTHM

Dec 31Resolved

Chlorine

Dec 31Resolved

E. COLI

Dec 31Resolved

Benzene

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Surface Water Treatment Rule

Nov 30Resolved

E. COLI

Nov 30Resolved

Revised Total Coliform Rule

Oct 31Resolved

E. COLI

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Chlorine

Sep 30Resolved

Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

E. COLI

Sep 30Resolved

Revised Total Coliform Rule

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

E. COLI

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

E. COLI

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

E. COLI

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Chlorine

Jun 30Resolved

Chlorine

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

E. COLI

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

Apr 30Resolved

E. COLI

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

E. COLI

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Chlorine

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Chlorine

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

E. COLI

Feb 28Resolved

Surface Water Treatment Rule

Feb 28Resolved

Revised Total Coliform Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

E. COLI

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

2021(57)

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Chlorine

Dec 31Resolved

E. COLI

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Chlorine

Dec 31Resolved

Chlorine

Dec 31Resolved

E. COLI

Nov 30Resolved

Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

E. COLI

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

E. COLI

Sep 30Resolved

Chlorine

Sep 30Resolved

Surface Water Treatment Rule

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Aug 31Resolved

E. COLI

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

TTHM

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

E. COLI

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Lead and Copper Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

E. COLI

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Chlorine

Jun 30Resolved

Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

E. COLI

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Surface Water Treatment Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

E. COLI

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

E. COLI

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Revised Total Coliform Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Surface Water Treatment Rule

Feb 28Resolved

E. COLI

Feb 28Resolved

How Does This Compare?

GRAYLING (99590) has 389 recorded violations, including 56 health-based. 6 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in GRAYLING, AK (99590)

What does this mean?

Violations Detail (389 total)

Lead & Copper Levels

Violation Timeline

2025(41)

2024(90)

2023(105)

2022(96)

2021(57)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

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