Water Quality in DELAWARE, OK (74027)

EPA violation data for public water systems serving ZIP code 74027.

362

Total Violations

Health-Based

349

Monitoring / Reporting

319

Resolved

What does this mean?

319 of 362 violations have been resolved. 13 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 349 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: 1 Population served: 456

Violations Detail (362 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.42	Mar 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.42	Mar 31, 2025	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.42	Mar 31, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
CARBON, TOTAL	Health-Based	N/A	N/A	Dec 31, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	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
Interim Enhanced 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	Nov 30, 2024	Resolved	N/A
Interim Enhanced 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	Sep 30, 2024	Resolved	N/A
Interim Enhanced 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.27	Sep 30, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.27	Sep 30, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.27	Sep 30, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.27	Sep 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 29, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Aug 29, 2024	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 20, 2024	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.26	Jun 30, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.26	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 20, 2024	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 23, 2024	Active	N/A
Interim Enhanced 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	Apr 30, 2024	Resolved	N/A
Interim Enhanced 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	Apr 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 25, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Apr 3, 2024	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.58	Mar 31, 2024	Resolved	N/A
CARBON, TOTAL	Health-Based	N/A	0.58	Mar 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 13, 2024	Active	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 1, 2024	Active	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 6, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	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	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Public Notice	Monitoring	N/A	N/A	Dec 2, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Dec 2, 2023	Active	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Interim Enhanced 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
Interim Enhanced 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 19, 2023	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 28, 2023	Active	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 30, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Aug 7, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 7, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 7, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 9, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 9, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 9, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Interim Enhanced 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	Jun 30, 2023	Resolved	N/A
Interim Enhanced 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	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 4, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 4, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 4, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 3, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 3, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 3, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 11, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 11, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 11, 2023	Resolved	N/A
Interim Enhanced 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
Interim Enhanced 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
Interim Enhanced 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	Jan 31, 2023	Resolved	N/A
Interim Enhanced 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
Interim Enhanced 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
Public Notice	Monitoring	N/A	N/A	Jan 7, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 7, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 7, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 7, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 7, 2023	Resolved	N/A
Interim Enhanced 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
Interim Enhanced 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
Interim Enhanced 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	Nov 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Public Notice	Monitoring	N/A	N/A	Nov 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2022	Active	N/A
Interim Enhanced 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
Interim Enhanced 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
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2022	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2022	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2022	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2022	Active	N/A
Public Notice	Monitoring	N/A	N/A	Sep 27, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 27, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 27, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Public Notice	Monitoring	N/A	N/A	Aug 23, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 23, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 23, 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	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	Jul 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	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
Interim Enhanced Surface Water Treatment Rule	Monitoring	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
Interim Enhanced Surface Water Treatment Rule	Monitoring	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
Public Notice	Monitoring	N/A	N/A	Jun 24, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 24, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 24, 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
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
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
Public Notice	Monitoring	N/A	N/A	May 24, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 24, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 24, 2022	Resolved	N/A
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
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
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
Public Notice	Monitoring	N/A	N/A	Apr 26, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 26, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 26, 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	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	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	Mar 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 22, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 25, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 21, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 21, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 16, 2021	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 28, 2021	Active	N/A
Public Notice	Monitoring	N/A	N/A	Sep 28, 2021	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Consumer Confidence 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
Public Notice	Monitoring	N/A	N/A	Jun 27, 2021	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2021	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2021	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Interim Enhanced 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
Interim Enhanced 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 16, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 16, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(9)

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

CARBON, TOTAL

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

CARBON, TOTAL

Mar 31Resolved

CARBON, TOTAL

Mar 31Resolved

2024(77)

Lead and Copper Rule

Dec 31Active

Lead and Copper Rule

Dec 31Active

Lead and Copper Rule

Dec 31Active

CARBON, TOTAL

Dec 31Resolved

CARBON, TOTAL

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

CARBON, TOTAL

Sep 30Resolved

CARBON, TOTAL

Sep 30Resolved

CARBON, TOTAL

Sep 30Resolved

CARBON, TOTAL

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Public Notice

Aug 29Active

Public Notice

Aug 29Active

Interim Enhanced 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

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Public Notice

Jul 20Active

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

CARBON, TOTAL

Jun 30Resolved

CARBON, TOTAL

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

Public Notice

Jun 20Active

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Public Notice

May 23Active

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Public Notice

Apr 25Active

Public Notice

Apr 3Active

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

CARBON, TOTAL

Mar 31Resolved

CARBON, TOTAL

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Public Notice

Mar 13Active

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Public Notice

Feb 1Active

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Public Notice

Jan 6Active

2023(99)

Lead and Copper Rule

Dec 31Active

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Active

Lead and Copper Rule

Dec 31Active

Lead and Copper Rule

Dec 31Active

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Public Notice

Dec 2Active

Public Notice

Dec 2Active

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Public Notice

Oct 19Active

Consumer Confidence Rule

Oct 1Resolved

Consumer Confidence Rule

Oct 1Resolved

Consumer Confidence Rule

Oct 1Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Public Notice

Sep 28Active

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Public Notice

Aug 30Active

Public Notice

Aug 7Resolved

Public Notice

Aug 7Resolved

Public Notice

Aug 7Resolved

Interim Enhanced 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

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Public Notice

Jul 9Resolved

Public Notice

Jul 9Resolved

Public Notice

Jul 9Resolved

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Public Notice

Jun 4Resolved

Public Notice

Jun 4Resolved

Public Notice

Jun 4Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Public Notice

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Public Notice

Apr 30Resolved

Public Notice

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Public Notice

Apr 3Resolved

Public Notice

Apr 3Resolved

Public Notice

Apr 3Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Public Notice

Mar 11Resolved

Public Notice

Mar 11Resolved

Public Notice

Mar 11Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Public Notice

Jan 7Resolved

Public Notice

Jan 7Resolved

Public Notice

Jan 7Resolved

Public Notice

Jan 7Resolved

Public Notice

Jan 7Resolved

2022(114)

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Public Notice

Nov 28Resolved

Public Notice

Nov 28Resolved

Public Notice

Nov 28Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Consumer Confidence Rule

Oct 1Resolved

Consumer Confidence Rule

Oct 1Resolved

Consumer Confidence Rule

Oct 1Resolved

Consumer Confidence Rule

Oct 1Resolved

Lead and Copper Rule

Sep 30Active

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Active

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Active

Lead and Copper Rule

Sep 30Active

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Active

Public Notice

Sep 27Resolved

Public Notice

Sep 27Resolved

Public Notice

Sep 27Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Public Notice

Aug 23Resolved

Public Notice

Aug 23Resolved

Public Notice

Aug 23Resolved

Interim Enhanced 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

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Public Notice

Jun 24Resolved

Public Notice

Jun 24Resolved

Public Notice

Jun 24Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Public Notice

May 24Resolved

Public Notice

May 24Resolved

Public Notice

May 24Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Public Notice

Apr 26Resolved

Public Notice

Apr 26Resolved

Public Notice

Apr 26Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Public Notice

Mar 22Resolved

Public Notice

Mar 22Resolved

Public Notice

Mar 22Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Public Notice

Feb 22Resolved

Public Notice

Feb 22Resolved

Public Notice

Feb 22Resolved

Public Notice

Feb 22Resolved

Public Notice

Feb 22Resolved

Public Notice

Feb 22Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Public Notice

Jan 25Resolved

Public Notice

Jan 25Resolved

Public Notice

Jan 25Resolved

Public Notice

Jan 25Resolved

Public Notice

Jan 25Resolved

Public Notice

Jan 25Resolved

2021(63)

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Public Notice

Dec 21Resolved

Public Notice

Dec 21Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Public Notice

Nov 16Active

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Public Notice

Sep 28Active

Public Notice

Sep 28Active

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Public Notice

Jun 27Active

Public Notice

Jun 27Active

Public Notice

Jun 27Active

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Public Notice

Mar 16Resolved

Public Notice

Mar 16Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

How Does This Compare?

DELAWARE (74027) has 362 recorded violations, including 13 health-based. 43 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 →

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

Water Quality in DELAWARE, OK (74027)

What does this mean?

Violations Detail (362 total)

Lead & Copper Levels

Violation Timeline

2025(9)

2024(77)

2023(99)

2022(114)

2021(63)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Nearby ZIP Codes

Check Another ZIP Code