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 | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Archived | 2000-06-01 → 2000-06-30 |
| MCL | Health-based | Archived | 2000-06-01 → 2000-06-30 |
| MCL | Health-based | Archived | 2000-06-01 → 2000-06-30 |
| MCL | Health-based | Archived | 1999-11-01 → 1999-11-30 |
| MCL | Health-based | Archived | 1999-11-01 → 1999-11-30 |
| MCL | Health-based | Archived | 1999-11-01 → 1999-11-30 |
| MCL | Health-based | Archived | 1998-06-01 → 1998-06-30 |
| MCL | Health-based | Archived | 1998-06-01 → 1998-06-30 |
| MCL | Health-based | Archived | 1998-06-01 → 1998-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 14.6 µg/L No EPA limit set | 27/35 | SYR4 | 2012–2019 |
| TTHM | 17.3 µg/L 22% of the EPA limit 80 µg/L | 26/26 | SYR4 | 2012–2019 |
| Nitrate | 2610 µg/L 26% of the EPA limit 10000 µg/L | 24/70 | SYR4 | 2012–2019 |
| Bromodichloromethane | 3.6 µg/L No EPA limit set | 23/34 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.6 µg/L No EPA limit set | 18/34 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 5.7 µg/L 9.5% of the EPA limit 60 µg/L | 12/21 | SYR4 | 2012–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2024 |
| Trichloroacetic Acid | 3.1 µg/L No EPA limit set | 10/22 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 2.9 µg/L No EPA limit set | 9/22 | SYR4 | 2012–2019 |
| Bromoform | 0.7000 µg/L No EPA limit set | 7/34 | SYR4 | 2012–2019 |
| Arsenic | 6 µg/L 60% of the EPA limit 10 µg/L | 5/7 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1180 µg/L 12% of the EPA limit 10000 µg/L | 3/7 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 0.9000 pCi/L 18% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2012 |
| Dibromoacetic Acid | 1.1 µg/L No EPA limit set | 1/22 | SYR4 | 2012–2019 |
92 contaminants tested, none detected
Utility contact
Frequently asked questions about North Peninsula
Is North Peninsula tap water safe to drink?
EPA monitoring detected 14 contaminants in North Peninsula'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 North Peninsula's water?
EPA monitoring detected Chloroform, TTHM, Nitrate, Bromodichloromethane, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does North Peninsula serve?
North Peninsula reports serving 16,449 people in Washington, per its EPA record.
Has North Peninsula had any water quality violations?
The EPA has 30 violations on file for North Peninsula, of which 13 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.