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 |
|---|---|---|---|
| MCL | Health-based | Archived | 2004-12-01 → 2004-12-31 |
| MCL | Health-based | Archived | 2004-11-01 → 2004-11-30 |
| MCL | Health-based | Resolved | 1999-08-01 → 1999-08-31 |
| MCL | Health-based | Resolved | 1999-08-01 → 1999-08-31 |
| MCL | Health-based | Resolved | 1999-03-01 → 1999-03-31 |
| MCL | Health-based | Resolved | 1999-03-01 → 1999-03-31 |
| MCL | Health-based | Resolved | 1998-04-01 → 1998-04-30 |
| MCL | Health-based | Resolved | 1998-04-01 → 1998-04-30 |
| MCL | Health-based | Resolved | 1996-09-01 → 1996-09-30 |
| MCL | Health-based | Resolved | 1996-09-01 → 1996-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Fluoride | 4540 µg/L 114% of the EPA limit, at the 95th percentile of samples — 4000 µg/L
worst single sample: 4600 µg/L | 24/33 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 230 µg/L 2.3% of the EPA limit 10000 µg/L | 10/16 | SYR4 | 2012–2019 |
| Copper | 136 µg/L 10% of the EPA limit 1300 µg/L
worst single sample: 170 µg/L | 9/10 | SYR4 | 2014–2017 |
| Gross Alpha, Excl. Radon And U | 14.62 pCi/L 97% of the EPA limit 15 pCi/L
worst single sample: 19.3 pCi/L | 7/22 | SYR4 | 2013–2019 |
| Lead | 0.0160 mg/L 107% above the EPA limit of 0.0150 mg/L | 7/7 | LCR | 2026 |
| Lead | 5.75 µg/L 38% of the EPA limit 15 µg/L
worst single sample: 6 µg/L | 6/10 | SYR4 | 2014–2017 |
| Combined Uranium | 1.7748 µg/L 5.9% of the EPA limit 30 µg/L
worst single sample: 1.788 µg/L | 4/26 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 0.9500 pCi/L 19% of the EPA limit 5 pCi/L
worst single sample: 1 pCi/L | 3/8 | SYR4 | 2013–2018 |
| Bromodichloromethane | 2.1 µg/L No EPA limit set | 1/4 | SYR4 | 2014–2019 |
| Bromoform | 3 µg/L No EPA limit set | 1/4 | SYR4 | 2014–2019 |
| Chloroform | 2.1 µg/L No EPA limit set | 1/4 | SYR4 | 2014–2019 |
| Dibromochloromethane | 3 µg/L No EPA limit set | 1/4 | SYR4 | 2014–2019 |
| TTHM | 10 µg/L 13% of the EPA limit 80 µg/L | 1/4 | SYR4 | 2014–2019 |
67 contaminants tested, none detected
Utility contact
Frequently asked questions about Opal, Town of
Is Opal, Town of tap water safe to drink?
EPA monitoring detected 13 contaminants in Opal, Town of'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 Opal, Town of's water?
EPA monitoring detected Fluoride, Nitrate-Nitrite, Copper, Gross Alpha, Excl. Radon And U, Lead, and others. The full list with the level and data source for each is above.
How many people does Opal, Town of serve?
Opal, Town of reports serving 65 people in Wyoming, per its EPA record.
Has Opal, Town of had any water quality violations?
The EPA has 31 violations on file for Opal, Town of, of which 16 are health-based (a contaminant limit or required treatment was breached) and 0 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.