Water Quality in NAMPA, ID (83687)

EPA violation data for public water systems serving ZIP code 83687.

251

Total Violations

Health-Based

226

Monitoring / Reporting

233

Resolved

What does this mean?

233 of 251 violations have been resolved. 25 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 226 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: 40 Population served: 7,701

Violations Detail (251 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 5, 2025	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Public Notice	Monitoring	N/A	N/A	Aug 1, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	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
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 12, 2025	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Jul 1, 2025	Active	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Jul 1, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 15, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 15, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 15, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 26, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 26, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 26, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 20, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 20, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 20, 2025	Resolved	N/A
Revised Total Coliform Rule	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
Revised Total Coliform Rule	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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 28, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 28, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 28, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 23, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 23, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 23, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Oct 7, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Oct 7, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform 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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 10, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Aug 10, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Aug 10, 2024	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	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
Revised Total Coliform 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
Nitrate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform 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
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 2, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 2, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Nitrate	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
E. COLI	Monitoring	0	N/A	Jan 11, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jan 11, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform 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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 1, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 1, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 1, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 1, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 19, 2023	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 19, 2023	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	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
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
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
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
Revised Total Coliform Rule	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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4-D	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
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
p-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
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Cardiovascular system or reproductive problems
1,1,2-Trichloroethane	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
Picloram	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
HEXACHLOROBENZENE	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
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Endrin	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlordane	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
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Xylenes, Total	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
o-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
1,1-Dichloroethylene	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
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2-Dichloroethane	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
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2022	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2022	Active	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 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	Dec 26, 2021	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Dec 26, 2021	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Nov 6, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Nov 6, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Nov 6, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	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
Revised Total Coliform Rule	Monitoring	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
Revised Total Coliform Rule	Monitoring	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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort

Lead & Copper Levels

Violation Timeline

2025(32)

Revised Total Coliform Rule

Aug 31Resolved

E. COLI

Aug 5Active

Public Notice

Aug 1Active

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

Revised Total Coliform Rule

Jul 12Resolved

LEAD AND COPPER RULE REVISIONS

Jul 1Active

LEAD AND COPPER RULE REVISIONS

Jul 1Active

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Nitrate

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 15Resolved

Revised Total Coliform Rule

Jun 15Resolved

Revised Total Coliform Rule

Jun 15Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Active

Revised Total Coliform Rule

May 31Active

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Public Notice

Jan 26Resolved

Public Notice

Jan 26Resolved

Public Notice

Jan 26Resolved

Revised Total Coliform Rule

Jan 20Resolved

Revised Total Coliform Rule

Jan 20Resolved

Revised Total Coliform Rule

Jan 20Resolved

2024(54)

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 28Resolved

Revised Total Coliform Rule

Nov 28Resolved

Revised Total Coliform Rule

Nov 28Resolved

Revised Total Coliform Rule

Nov 23Resolved

Revised Total Coliform Rule

Nov 23Resolved

Revised Total Coliform Rule

Nov 23Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

E. COLI

Oct 7Active

E. COLI

Oct 7Active

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

E. COLI

Aug 10Resolved

E. COLI

Aug 10Resolved

E. COLI

Aug 10Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

E. COLI

Apr 2Active

E. COLI

Apr 2Active

Nitrate

Mar 31Resolved

Nitrate

Mar 31Resolved

Nitrate

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Nitrate

Mar 31Resolved

Nitrate

Mar 31Resolved

Nitrate

Mar 31Resolved

E. COLI

Jan 11Active

E. COLI

Jan 11Active

2022(123)

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

2,4-D

Dec 31Resolved

2,4-D

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Glyphosate

Dec 31Resolved

Glyphosate

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

Styrene

Dec 31Resolved

Styrene

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Dalapon

Dec 31Resolved

Dalapon

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

Endothall

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor

Dec 31Resolved

Benzo(a)pyrene

Dec 31Resolved

Benzo(a)pyrene

Dec 31Resolved

Atrazine

Dec 31Resolved

Atrazine

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

Picloram

Dec 31Resolved

ETHYLENE DIBROMIDE

Dec 31Resolved

ETHYLENE DIBROMIDE

Dec 31Resolved

Toxaphene

Dec 31Resolved

Toxaphene

Dec 31Resolved

Toluene

Dec 31Resolved

Toluene

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Dinoseb

Dec 31Resolved

Dinoseb

Dec 31Resolved

Picloram

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

Benzene

Dec 31Resolved

Benzene

Dec 31Resolved

Endrin

Dec 31Resolved

Endrin

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Diquat

Dec 31Resolved

Diquat

Dec 31Resolved

Di(2-ethylhexyl) adipate

Dec 31Resolved

Di(2-ethylhexyl) adipate

Dec 31Resolved

OXAMYL

Dec 31Resolved

OXAMYL

Dec 31Resolved

Simazine

Dec 31Resolved

Simazine

Dec 31Resolved

Carbofuran

Dec 31Resolved

Carbofuran

Dec 31Resolved

LASSO

Dec 31Resolved

LASSO

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

Combined Uranium

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Total Polychlorinated Biphenyls (PCB)

Dec 31Resolved

Total Polychlorinated Biphenyls (PCB)

Dec 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Dec 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Dec 31Resolved

Chlordane

Dec 31Resolved

Chlordane

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

Gross Alpha, Excl. Radon and U

Dec 31Resolved

Gross Alpha, Excl. Radon and U

Dec 31Resolved

Combined Uranium

Dec 31Resolved

Endothall

Dec 31Resolved

Lead and Copper Rule

Dec 29Active

Lead and Copper Rule

Dec 29Active

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

How Does This Compare?

NAMPA (83687) has 251 recorded violations, including 25 health-based. 18 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 →

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 NAMPA, ID (83687)

What does this mean?

Violations Detail (251 total)

Lead & Copper Levels

Violation Timeline

2025(32)

2024(54)

2023(22)

2022(123)

2021(20)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

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