Water Quality in WELCH, OK (74369)

EPA violation data for public water systems serving ZIP code 74369.

234

Total Violations

Health-Based

177

Monitoring / Reporting

233

Resolved

What does this mean?

233 of 234 violations have been resolved. 57 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 177 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: 4 Population served: 1,950

Violations Detail (234 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 31, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	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
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 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
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Cardiovascular system or reproductive problems
BHC-GAMMA	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Cardiovascular system or reproductive problems
Benzo(a)pyrene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Cardiovascular system or reproductive problems
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	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
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 Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2022	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Gross Beta Particle Activity	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(4)

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Active

2024(132)

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Jun 30Resolved

Atrazine

Jun 30Resolved

Atrazine

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

Atrazine

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

Dalapon

Jun 30Resolved

Dalapon

Jun 30Resolved

Dalapon

Jun 30Resolved

Dalapon

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Carbofuran

Jun 30Resolved

Carbofuran

Jun 30Resolved

Carbofuran

Jun 30Resolved

Carbofuran

Jun 30Resolved

Atrazine

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Jun 30Resolved

LASSO

Jun 30Resolved

LASSO

Jun 30Resolved

LASSO

Jun 30Resolved

LASSO

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Endrin

Jun 30Resolved

Endrin

Jun 30Resolved

Endrin

Jun 30Resolved

Endrin

Jun 30Resolved

Methoxychlor

Jun 30Resolved

Methoxychlor

Jun 30Resolved

Methoxychlor

Jun 30Resolved

Methoxychlor

Jun 30Resolved

Diquat

Jun 30Resolved

Diquat

Jun 30Resolved

Diquat

Jun 30Resolved

Diquat

Jun 30Resolved

Endothall

Jun 30Resolved

Endothall

Jun 30Resolved

Endothall

Jun 30Resolved

Endothall

Jun 30Resolved

Glyphosate

Jun 30Resolved

Glyphosate

Jun 30Resolved

Glyphosate

Jun 30Resolved

Glyphosate

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Simazine

Jun 30Resolved

Simazine

Jun 30Resolved

Simazine

Jun 30Resolved

Simazine

Jun 30Resolved

Dinoseb

Jun 30Resolved

Dinoseb

Jun 30Resolved

Dinoseb

Jun 30Resolved

Dinoseb

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

ETHYLENE DIBROMIDE

Jun 30Resolved

ETHYLENE DIBROMIDE

Jun 30Resolved

ETHYLENE DIBROMIDE

Jun 30Resolved

ETHYLENE DIBROMIDE

Jun 30Resolved

Heptachlor

Jun 30Resolved

Picloram

Jun 30Resolved

Picloram

Jun 30Resolved

2,4-D

Jun 30Resolved

2,4-D

Jun 30Resolved

2,4-D

Jun 30Resolved

2,4-D

Jun 30Resolved

Heptachlor

Jun 30Resolved

Heptachlor

Jun 30Resolved

Heptachlor

Jun 30Resolved

Picloram

Jun 30Resolved

Picloram

Jun 30Resolved

OXAMYL

Jun 30Resolved

OXAMYL

Jun 30Resolved

OXAMYL

Jun 30Resolved

OXAMYL

Jun 30Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Revised Total Coliform Rule

Feb 29Resolved

Revised Total Coliform Rule

Feb 29Resolved

Revised Total Coliform Rule

Feb 29Resolved

Revised Total Coliform Rule

Feb 29Resolved

How Does This Compare?

WELCH (74369) has 234 recorded violations, including 57 health-based. 1 remains 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 WELCH, OK (74369)

What does this mean?

Violations Detail (234 total)

Lead & Copper Levels

Violation Timeline

2025(4)

2024(132)

2023(22)

2022(36)

2021(40)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

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