Water Quality in WELLING, OK (74471)

EPA violation data for public water systems serving ZIP code 74471.

243

Total Violations

Health-Based

242

Monitoring / Reporting

236

Resolved

What does this mean?

236 of 243 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 242 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: 9 Population served: 1,577

Violations Detail (243 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
2,4,5-TP	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Cardiovascular system or reproductive problems
2,4,5-TP	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	Cardiovascular system or reproductive problems
Benzo(a)pyrene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Active	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Active	N/A
Glyphosate	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	Cardiovascular system or reproductive problems
2,4,5-TP	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	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
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
Endrin	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endrin	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
Toxaphene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Toxaphene	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
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
OXAMYL	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
OXAMYL	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
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
Picloram	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Picloram	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
Carbofuran	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Carbofuran	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 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-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
2,4,5-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
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
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
Chlordane	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Methoxychlor	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
LASSO	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	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
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Active	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Active	N/A

Lead & Copper Levels

Violation Timeline

2025(59)

Consumer Confidence Rule

Jun 30Active

2,4,5-TP

Mar 31Resolved

Atrazine

Mar 31Resolved

Atrazine

Mar 31Resolved

2,4,5-TP

Mar 31Resolved

Dalapon

Mar 31Resolved

Hexachlorocyclopentadiene

Mar 31Resolved

Hexachlorocyclopentadiene

Mar 31Resolved

Methoxychlor

Mar 31Resolved

Methoxychlor

Mar 31Resolved

Dalapon

Mar 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Mar 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Mar 31Resolved

BHC-GAMMA

Mar 31Resolved

Benzo(a)pyrene

Mar 31Resolved

Diquat

Mar 31Resolved

Diquat

Mar 31Resolved

Endothall

Mar 31Resolved

Endothall

Mar 31Resolved

Glyphosate

Mar 31Resolved

Glyphosate

Mar 31Resolved

Di(2-ethylhexyl) adipate

Mar 31Resolved

Di(2-ethylhexyl) adipate

Mar 31Resolved

OXAMYL

Mar 31Resolved

OXAMYL

Mar 31Resolved

Toxaphene

Mar 31Resolved

Simazine

Mar 31Resolved

Di(2-ethylhexyl) phthalate

Mar 31Resolved

Di(2-ethylhexyl) phthalate

Mar 31Resolved

Dinoseb

Mar 31Resolved

Dinoseb

Mar 31Resolved

LASSO

Mar 31Resolved

LASSO

Mar 31Resolved

Heptachlor

Mar 31Resolved

Heptachlor

Mar 31Resolved

HEXACHLOROBENZENE

Mar 31Resolved

HEXACHLOROBENZENE

Mar 31Resolved

Total Polychlorinated Biphenyls (PCB)

Mar 31Resolved

Total Polychlorinated Biphenyls (PCB)

Mar 31Resolved

ETHYLENE DIBROMIDE

Mar 31Resolved

ETHYLENE DIBROMIDE

Mar 31Resolved

2,4-D

Mar 31Resolved

2,4-D

Mar 31Resolved

Chlordane

Mar 31Resolved

Chlordane

Mar 31Resolved

Heptachlor epoxide

Mar 31Resolved

Heptachlor epoxide

Mar 31Resolved

Benzo(a)pyrene

Mar 31Resolved

Endrin

Mar 31Resolved

Carbofuran

Mar 31Resolved

Carbofuran

Mar 31Resolved

Picloram

Mar 31Resolved

Picloram

Mar 31Resolved

Pentachlorophenol

Mar 31Resolved

Pentachlorophenol

Mar 31Resolved

Toxaphene

Mar 31Resolved

BHC-GAMMA

Mar 31Resolved

Endrin

Mar 31Resolved

Simazine

Mar 31Resolved

2024(177)

Total Polychlorinated Biphenyls (PCB)

Dec 31Resolved

Total Polychlorinated Biphenyls (PCB)

Dec 31Resolved

Di(2-ethylhexyl) adipate

Dec 31Resolved

Di(2-ethylhexyl) adipate

Dec 31Resolved

Toxaphene

Dec 31Resolved

Toxaphene

Dec 31Resolved

OXAMYL

Dec 31Resolved

OXAMYL

Dec 31Resolved

Benzo(a)pyrene

Dec 31Resolved

Atrazine

Dec 31Resolved

Atrazine

Dec 31Resolved

Benzo(a)pyrene

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Dalapon

Dec 31Resolved

Dalapon

Dec 31Resolved

Diquat

Dec 31Resolved

Diquat

Dec 31Resolved

Endothall

Dec 31Resolved

Endothall

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Picloram

Dec 31Resolved

Picloram

Dec 31Resolved

Dinoseb

Dec 31Resolved

Dinoseb

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Carbofuran

Dec 31Resolved

Carbofuran

Dec 31Resolved

LASSO

Dec 31Resolved

LASSO

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

2,4-D

Dec 31Resolved

2,4-D

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

ETHYLENE DIBROMIDE

Dec 31Resolved

ETHYLENE DIBROMIDE

Dec 31Resolved

Glyphosate

Dec 31Resolved

Endrin

Dec 31Resolved

Chlordane

Dec 31Resolved

Simazine

Dec 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Dec 31Resolved

Glyphosate

Dec 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Dec 31Resolved

Simazine

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

Endrin

Dec 31Resolved

Chlordane

Dec 31Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Active

LEAD AND COPPER RULE REVISIONS

Oct 16Active

Glyphosate

Sep 30Resolved

2,4,5-TP

Sep 30Resolved

Diquat

Sep 30Resolved

Diquat

Sep 30Resolved

Hexachlorocyclopentadiene

Sep 30Resolved

Hexachlorocyclopentadiene

Sep 30Resolved

Heptachlor epoxide

Sep 30Resolved

Heptachlor epoxide

Sep 30Resolved

Atrazine

Sep 30Resolved

Atrazine

Sep 30Resolved

2,4,5-TP

Sep 30Resolved

Glyphosate

Sep 30Resolved

Endrin

Sep 30Resolved

Benzo(a)pyrene

Sep 30Resolved

BHC-GAMMA

Sep 30Resolved

BHC-GAMMA

Sep 30Resolved

Dalapon

Sep 30Resolved

Dalapon

Sep 30Resolved

Endothall

Sep 30Resolved

Endothall

Sep 30Resolved

Endrin

Sep 30Resolved

Di(2-ethylhexyl) adipate

Sep 30Resolved

OXAMYL

Sep 30Resolved

OXAMYL

Sep 30Resolved

Simazine

Sep 30Resolved

Simazine

Sep 30Resolved

Di(2-ethylhexyl) phthalate

Sep 30Resolved

Di(2-ethylhexyl) phthalate

Sep 30Resolved

Picloram

Sep 30Resolved

Picloram

Sep 30Resolved

Dinoseb

Sep 30Resolved

Dinoseb

Sep 30Resolved

2,4-D

Sep 30Resolved

2,4-D

Sep 30Resolved

HEXACHLOROBENZENE

Sep 30Resolved

HEXACHLOROBENZENE

Sep 30Resolved

Benzo(a)pyrene

Sep 30Resolved

ETHYLENE DIBROMIDE

Sep 30Resolved

Pentachlorophenol

Sep 30Resolved

Pentachlorophenol

Sep 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Sep 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Sep 30Resolved

ETHYLENE DIBROMIDE

Sep 30Resolved

Di(2-ethylhexyl) adipate

Sep 30Resolved

Total Polychlorinated Biphenyls (PCB)

Sep 30Resolved

Total Polychlorinated Biphenyls (PCB)

Sep 30Resolved

Heptachlor

Sep 30Resolved

Toxaphene

Sep 30Resolved

Heptachlor

Sep 30Resolved

Carbofuran

Sep 30Resolved

Toxaphene

Sep 30Resolved

LASSO

Sep 30Resolved

LASSO

Sep 30Resolved

Methoxychlor

Sep 30Resolved

Methoxychlor

Sep 30Resolved

Carbofuran

Sep 30Resolved

Chlordane

Sep 30Resolved

Chlordane

Sep 30Resolved

Consumer Confidence Rule

Jun 30Active

Dalapon

Jun 30Resolved

Dalapon

Jun 30Resolved

Atrazine

Jun 30Resolved

Atrazine

Jun 30Resolved

Endrin

Jun 30Resolved

Endrin

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

Toxaphene

Jun 30Resolved

Toxaphene

Jun 30Resolved

Endothall

Jun 30Resolved

Endothall

Jun 30Resolved

Glyphosate

Jun 30Resolved

Glyphosate

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

OXAMYL

Jun 30Resolved

OXAMYL

Jun 30Resolved

Simazine

Jun 30Resolved

Simazine

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Picloram

Jun 30Resolved

Picloram

Jun 30Resolved

Dinoseb

Jun 30Resolved

Dinoseb

Jun 30Resolved

Carbofuran

Jun 30Resolved

Carbofuran

Jun 30Resolved

Heptachlor

Jun 30Resolved

Heptachlor

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

2,4-D

Jun 30Resolved

2,4-D

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

ETHYLENE DIBROMIDE

Jun 30Resolved

ETHYLENE DIBROMIDE

Jun 30Resolved

Chlordane

Jun 30Resolved

Chlordane

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Methoxychlor

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Jun 30Resolved

LASSO

Jun 30Resolved

LASSO

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

Jun 30Resolved

Diquat

Jun 30Resolved

Diquat

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Methoxychlor

Jun 30Resolved

How Does This Compare?

WELLING (74471) has 243 recorded violations, including 1 health-based. 7 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

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

Reverse Osmosis System

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

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Activated Carbon Filter

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

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

Look for:NSF/ANSI 42 & 53 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

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

Water Quality in WELLING, OK (74471)

What does this mean?

Violations Detail (243 total)

Lead & Copper Levels

Violation Timeline

2025(59)

2024(177)

2023(1)

2022(1)

2021(5)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

Nearby ZIP Codes

Check Another ZIP Code