Public water system record
Kingfisher
Serves an area of Kingfisher County, OK that includes Kingfisher · 5,073 people served
Federal records show 31 health-based violations and 284 monitoring/reporting issues for Kingfisher in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Groundwater
ZIP
73750
EPA system ID
OK2003702
- Health-based violations, last 10 years
- 31
- Resolved
- 4
- Unresolved
- 1
- Archived by EPA
- 26
- Any acute record
- No
- Monitoring issues, last 10 years
- 284
Key facts
- Kingfisher draws water from 13 wells.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit), 2024.
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2026.
- Record on file since 1991, with 6 health-based violations before October 19, 2016.
Check whether Kingfisher serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 |
Active
Enforcement action in place
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 30, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 |
Active
Enforcement action in place
|
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endothall
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Diquat
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 30, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Feb 29, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Feb 29, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
2,4-D
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
LASSO
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Atrazine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Picloram
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Endothall
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Diquat
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Dalapon
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Endrin
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Endothall
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Diquat
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Chlordane
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
2,4-D
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
LASSO
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Atrazine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Picloram
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Simazine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Endothall
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Diquat
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Dalapon
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Endrin
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 30, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 29, 2020 | Resolved |
|
Chlordane
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
2,4-D
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
LASSO
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Atrazine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Picloram
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Endothall
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Diquat
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Dalapon
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Endrin
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Endothall
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Diquat
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Gross Beta Particle Activity
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
Full record since 1991
EPA's records for Kingfisher go back to 1991. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 15 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 1 |
| 2000s | 0 | 7 |
| 2010 to October 18, 2016 | 3 | 7 |
| October 19, 2016 to 2019 | 8 | 110 |
| 2020s | 23 | 169 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2013, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jul 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jan 1, 2013 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 5, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1991 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1991 | Resolved |
Enforcement actions
Oklahoma regulators and EPA took 16 formal enforcement actions against Kingfisher between 1993 and 2026. The most recent was a compliance order (no penalty) in March 2026.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 12, 2026 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
| Oct 22, 2025 | Oklahoma | Compliance order with a penalty | 20 violations (20 health-based): Total Trihalomethanes (TTHMs) |
| Aug 23, 2022 | Oklahoma | Compliance order with a penalty | 23 violations (23 health-based): Total Trihalomethanes (TTHMs) |
| May 12, 2021 | Oklahoma | Compliance order with a penalty | 19 violations (19 health-based): Total Trihalomethanes (TTHMs) |
| May 20, 2019 | Oklahoma | Compliance order with a penalty | 15 violations (15 health-based): Total Trihalomethanes (TTHMs) |
| Feb 5, 2019 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Dec 18, 2017 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Sep 15, 2017 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Jun 20, 2017 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Apr 12, 2017 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Mar 6, 2014 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Jul 11, 2013 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| May 28, 2013 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Aug 29, 2008 | Oklahoma | Compliance order with a penalty | 3 violations: Picloram, 2,4-D, Glyphosate |
| Sep 29, 2005 | Oklahoma | Compliance order with a penalty | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Jun 25, 1993 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
What the violations mean
Total Trihalomethanes (TTHMs)
30 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Kingfisher draws water from 13 wells.
Annual water quality report
Kingfisher must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Oklahoma.
Certified drinking water labs by state EPA guidance for private wells