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 | 2006-04-01 → 2006-04-30 |
| MR | Monitoring | Resolved | 2024-04-01 |
| MR | Monitoring | Resolved | 2023-12-30 |
| MR | Monitoring | Resolved | 2011-04-01 → 2011-04-30 |
| MR | Monitoring | Resolved | 2011-04-01 → 2011-04-30 |
| MR | Monitoring | Resolved | 2008-10-01 |
| MR | Monitoring | Resolved | 2008-10-01 |
| MR | Monitoring | Resolved | 2000-07-01 |
| MR | Monitoring | Resolved | 2000-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 109.9 µg/L 8.5% of the EPA limit 1300 µg/L
worst single sample: 120 µg/L | 22/22 | SYR4 | 2014–2017 |
| Lead | 7.5 µg/L 50% of the EPA limit 15 µg/L
worst single sample: 9 µg/L | 11/22 | SYR4 | 2014–2017 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2025 |
| Nitrate-Nitrite | 520 µg/L 5.2% of the EPA limit 10000 µg/L | 6/6 | SYR4 | 2019 |
| Bromodichloromethane | 3.67 µg/L No EPA limit set
worst single sample: 3.8 µg/L | 3/10 | SYR4 | 2014–2019 |
| Chloroform | 9.78 µg/L No EPA limit set
worst single sample: 10 µg/L | 3/10 | SYR4 | 2014–2019 |
| Fluoride | 290 µg/L 7.2% of the EPA limit 4000 µg/L
worst single sample: 300 µg/L | 3/3 | SYR4 | 2019 |
| Selenium | 4.9 µg/L 9.8% of the EPA limit 50 µg/L
worst single sample: 5 µg/L | 3/3 | SYR4 | 2019 |
| TTHM | 14.27 µg/L 18% of the EPA limit 80 µg/L
worst single sample: 14.3 µg/L | 3/10 | SYR4 | 2014–2019 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L | 2/3 | SYR4 | 2019 |
| Dibromochloromethane | 1.8695 µg/L No EPA limit set
worst single sample: 1.91 µg/L | 2/10 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 2.297 µg/L 3.8% of the EPA limit 60 µg/L
worst single sample: 2.4 µg/L | 2/7 | SYR4 | 2014–2019 |
| Barium | 100 µg/L 5% of the EPA limit 2000 µg/L | 1/3 | SYR4 | 2019 |
| Bromoform | 0.8300 µg/L No EPA limit set | 1/10 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 0.3400 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 2.1 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
| Thallium, Total | 0.5000 µg/L 25% of the EPA limit 2 µg/L | 1/3 | SYR4 | 2019 |
59 contaminants tested, none detected
Utility contact
Frequently asked questions about South Big Horn County Jpb
Is South Big Horn County Jpb tap water safe to drink?
EPA monitoring detected 17 contaminants in South Big Horn County Jpb'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 South Big Horn County Jpb's water?
EPA monitoring detected Copper, Lead, Lead, Nitrate-Nitrite, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does South Big Horn County Jpb serve?
South Big Horn County Jpb reports serving 900 people in Wyoming, per its EPA record.
Has South Big Horn County Jpb had any water quality violations?
The EPA has 9 violations on file for South Big Horn County Jpb, of which 1 is 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.