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 | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Archived | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Archived | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Archived | 1995-12-01 → 1995-12-31 |
| MCL | Health-based | Archived | 1995-08-01 → 1995-08-31 |
| MR | Monitoring | Unaddressed | 2009-01-01 |
| MR | Monitoring | Resolved | 2008-01-01 → 2008-12-31 |
| MR | Monitoring | Resolved | 2008-01-01 → 2008-12-31 |
| MR | Monitoring | Resolved | 2008-01-01 → 2008-12-31 |
| MR | Monitoring | Resolved | 2008-01-01 → 2008-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5462 µg/L 55% of the EPA limit 10000 µg/L
worst single sample: 5550 µg/L | 32/32 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 5430 µg/L 54% of the EPA limit 10000 µg/L
worst single sample: 5550 µg/L | 16/16 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2025 |
| Bromoform | 4.608 µg/L No EPA limit set
worst single sample: 4.96 µg/L | 5/8 | SYR4 | 2013–2019 |
| Dibromochloromethane | 3.312 µg/L No EPA limit set
worst single sample: 3.54 µg/L | 5/8 | SYR4 | 2013–2019 |
| TTHM | 9.104 µg/L 11% of the EPA limit 80 µg/L
worst single sample: 9.83 µg/L | 5/5 | SYR4 | 2013–2019 |
| Arsenic | 0.9490 µg/L 9.5% of the EPA limit 10 µg/L
worst single sample: 0.9500 µg/L | 2/2 | SYR4 | 2019 |
| Barium | 12.2725 µg/L 0.6% of the EPA limit 2000 µg/L
worst single sample: 12.28 µg/L | 2/2 | SYR4 | 2019 |
| Bromodichloromethane | 1.3035 µg/L No EPA limit set
worst single sample: 1.33 µg/L | 2/8 | SYR4 | 2013–2019 |
| Copper | 43.7275 µg/L 3.4% of the EPA limit 1300 µg/L
worst single sample: 45.67 µg/L | 2/2 | SYR4 | 2019 |
| Chromium | 2.855 µg/L 2.9% of the EPA limit 100 µg/L
worst single sample: 2.97 µg/L | 2/2 | SYR4 | 2019 |
| Dibromoacetic Acid | 1.495 µg/L No EPA limit set
worst single sample: 1.5 µg/L | 2/6 | SYR4 | 2013–2019 |
| Fluoride | 490 µg/L 12% of the EPA limit 4000 µg/L | 2/2 | SYR4 | 2019 |
| Selenium | 1.982 µg/L 4% of the EPA limit 50 µg/L
worst single sample: 1.99 µg/L | 2/2 | SYR4 | 2019 |
| Total Haloacetic Acids (HAA5) | 1.495 µg/L 2.5% of the EPA limit 60 µg/L
worst single sample: 1.5 µg/L | 2/5 | SYR4 | 2013–2016 |
| Thallium, Total | 0.2600 µg/L 13% of the EPA limit 2 µg/L | 1/2 | SYR4 | 2019 |
55 contaminants tested, none detected
Utility contact
Frequently asked questions about Mansfield Water
Is Mansfield Water tap water safe to drink?
EPA monitoring detected 16 contaminants in Mansfield Water'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 Mansfield Water's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Lead, Bromoform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Mansfield Water serve?
Mansfield Water reports serving 380 people in Washington, per its EPA record.
Has Mansfield Water had any water quality violations?
The EPA has 177 violations on file for Mansfield Water, of which 5 are health-based (a contaminant limit or required treatment was breached) and 1 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.