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 | 2004-06-01 → 2004-06-30 |
| MR | Monitoring | Resolved | 2023-07-01 → 2023-09-30 |
| MR | Monitoring | Archived | 2006-06-01 → 2006-06-30 |
| MR | Monitoring | Archived | 2003-12-01 → 2003-12-31 |
| MR | Monitoring | Archived | 2000-10-01 → 2000-10-31 |
| MR | Monitoring | Archived | 2000-05-01 → 2000-05-31 |
| MR | Monitoring | Archived | 1993-01-01 → 1993-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate-Nitrite | 10400 µg/L 104% of the EPA limit, in the worst sample — 10000 µg/L | 48/50 | SYR4 | 2012–2019 |
| Copper | 310 µg/L 24% of the EPA limit 1300 µg/L | 10/10 | SYR4 | 2015–2018 |
| Lead | 0.0040 mg/L 27% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2025 |
| Lead | 6 µg/L 40% of the EPA limit 15 µg/L | 6/10 | SYR4 | 2015–2018 |
| Bromoform | 11 µg/L No EPA limit set | 4/4 | SYR4 | 2014–2017 |
| Dibromochloromethane | 5.9 µg/L No EPA limit set | 4/4 | SYR4 | 2014–2017 |
| TTHM | 18 µg/L 23% of the EPA limit 80 µg/L | 4/4 | SYR4 | 2014–2017 |
| Barium | 200 µg/L 10% of the EPA limit 2000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Bromodichloromethane | 1.99 µg/L No EPA limit set | 3/4 | SYR4 | 2014–2017 |
| Fluoride | 300 µg/L 7.5% of the EPA limit 4000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Dibromoacetic Acid | 6.1 µg/L No EPA limit set | 2/2 | SYR4 | 2014–2017 |
| Selenium | 7 µg/L 14% of the EPA limit 50 µg/L | 2/3 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 6.8 µg/L 11% of the EPA limit 60 µg/L | 2/2 | SYR4 | 2014–2017 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L | 1/3 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 3.1 pCi/L 62% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2019 |
| Combined Uranium | 0.7000 µg/L 2.3% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2019 |
| Gross Alpha, Excl. Radon And U | 4.3 pCi/L 29% of the EPA limit 15 pCi/L | 1/2 | SYR4 | 2013–2019 |
| Thallium, Total | 0.4000 µg/L 20% of the EPA limit 2 µg/L | 1/3 | SYR4 | 2012–2018 |
61 contaminants tested, none detected
Utility contact
Frequently asked questions about J-W Subdivision Association
Is J-W Subdivision Association tap water safe to drink?
EPA monitoring detected 18 contaminants in J-W Subdivision Association'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 J-W Subdivision Association's water?
EPA monitoring detected Nitrate-Nitrite, Copper, Lead, Lead, Bromoform, and others. The full list with the level and data source for each is above.
How many people does J-W Subdivision Association serve?
J-W Subdivision Association reports serving 40 people in Wyoming, per its EPA record.
Has J-W Subdivision Association had any water quality violations?
The EPA has 7 violations on file for J-W Subdivision Association, 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.