Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| MR | Monitoring | Unaddressed | 2026-01-01 |
| MR | Monitoring | Unaddressed | 2026-01-01 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| MR | Monitoring | Resolved | 2024-10-01 |
| MR | Monitoring | Resolved | 2024-10-01 |
| MR | Monitoring | Resolved | 2024-10-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0026 mg/L 17% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2025 |
| Combined Radium (-226 And -228) | 2.28 pCi/L 46% of the EPA limit 5 pCi/L | 5/5 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 4.09 pCi/L 27% of the EPA limit 15 pCi/L | 4/5 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 5.48 pCi/L No EPA limit set | 4/5 | SYR4 | 2013–2019 |
| Copper | 112 µg/L 8.6% of the EPA limit 1300 µg/L | 2/15 | SYR4 | 2012–2018 |
| Barium | 78.1 µg/L 3.9% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2017 |
| Fluoride | 2760 µg/L 69% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2017 |
43 contaminants tested, none detected
Utility contact
Frequently asked questions about Carriage Hills
Is Carriage Hills tap water safe to drink?
EPA monitoring detected 7 contaminants in Carriage Hills's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Carriage Hills's water?
EPA monitoring detected Lead, Combined Radium (-226 And -228), Gross Alpha, Excl. Radon And U, Gross Beta Particle Activity, Copper, and others. The full list with the level and data source for each is above.
How many people does Carriage Hills serve?
Carriage Hills reports serving 160 people in Oklahoma, per its EPA record.
Has Carriage Hills had any water quality violations?
The EPA has 75 violations on file for Carriage Hills, of which 2 are health-based (a contaminant limit or required treatment was breached) and 3 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.