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 | 2012-02-01 → 2012-02-29 |
| MCL | Health-based | Archived | 2012-02-01 → 2012-02-29 |
| MCL | Health-based | Archived | 2006-03-01 → 2006-03-31 |
| MCL | Health-based | Archived | 2004-10-01 → 2004-10-31 |
| MCL | Health-based | Archived | 2004-07-01 → 2004-07-31 |
| MCL | Health-based | Archived | 2001-09-01 → 2001-09-30 |
| MCL | Health-based | Archived | 1995-07-01 → 1995-07-31 |
| MCL | Health-based | Archived | 1995-07-01 → 1995-07-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3220.5 µg/L 32% of the EPA limit 10000 µg/L
worst single sample: 3930 µg/L | 32/36 | SYR4 | 2012–2019 |
| Lead | 0.0050 mg/L 33% of the EPA limit 0.0150 mg/L | 21/21 | LCR | 2025 |
| Arsenic | 5 µg/L 50% of the EPA limit 10 µg/L | 3/3 | SYR4 | 2019 |
| Barium | 9 µg/L 0.5% of the EPA limit 2000 µg/L | 3/3 | SYR4 | 2019 |
| Combined Radium (-226 And -228) | 0.5500 pCi/L 11% of the EPA limit 5 pCi/L | 3/5 | SYR4 | 2016–2019 |
| Fluoride | 1800 µg/L 45% of the EPA limit 4000 µg/L | 3/3 | SYR4 | 2019 |
| Gross Alpha, Excl. Radon And U | 1.6028 pCi/L 11% of the EPA limit 15 pCi/L
worst single sample: 1.67 pCi/L | 3/4 | SYR4 | 2016–2019 |
| Nitrate-Nitrite | 2383.5 µg/L 24% of the EPA limit 10000 µg/L
worst single sample: 2400 µg/L | 2/2 | SYR4 | 2019 |
| Dichloromethane | 0.6500 µg/L 13% of the EPA limit 5 µg/L | 1/7 | SYR4 | 2016–2019 |
63 contaminants tested, none detected
Utility contact
Frequently asked questions about North Fork Water Works
Is North Fork Water Works tap water safe to drink?
EPA monitoring detected 9 contaminants in North Fork Water Works'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 Fork Water Works's water?
EPA monitoring detected Nitrate, Lead, Arsenic, Barium, Combined Radium (-226 And -228), and others. The full list with the level and data source for each is above.
How many people does North Fork Water Works serve?
North Fork Water Works reports serving 64 people in Idaho, per its EPA record.
Has North Fork Water Works had any water quality violations?
The EPA has 140 violations on file for North Fork Water Works, of which 8 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.