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 | Resolved | 2002-02-01 → 2002-02-28 |
| MCL | Health-based | Resolved | 2002-02-01 → 2002-02-28 |
| MCL | Health-based | Resolved | 2002-02-01 → 2002-02-28 |
| MCL | Health-based | Resolved | 2002-02-01 → 2002-02-28 |
| TT | Health-based | Resolved | 1993-07-01 |
| MR | Monitoring | Resolved | 2016-12-30 |
| MR | Monitoring | Resolved | 2016-12-30 |
| MR | Monitoring | Resolved | 2011-01-01 → 2013-12-31 |
| MR | Monitoring | Resolved | 2011-01-01 → 2013-12-31 |
| MR | Monitoring | Resolved | 2011-01-01 → 2013-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 454.5 µg/L 35% of the EPA limit 1300 µg/L
worst single sample: 520 µg/L | 32/32 | SYR4 | 2013–2019 |
| Lead | 49 µg/L 327% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 53 µg/L | 17/32 | SYR4 | 2013–2019 |
| Lead | 0.0028 mg/L 19% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2025 |
| Combined Uranium | 30.67 µg/L 102% of the EPA limit, at the 95th percentile of samples — 30 µg/L
worst single sample: 34 µg/L | 10/10 | SYR4 | 2015–2019 |
| Gross Alpha, Excl. Radon And U | 25.57 pCi/L 170% of the EPA limit, at the 95th percentile of samples — 15 pCi/L
worst single sample: 27.1 pCi/L | 4/4 | SYR4 | 2012–2018 |
| Nitrate | 1200 µg/L 12% of the EPA limit 10000 µg/L | 4/16 | SYR4 | 2012–2019 |
| TTHM | 5.7 µg/L 7.1% of the EPA limit 80 µg/L
worst single sample: 6 µg/L | 4/6 | SYR4 | 2012–2019 |
| Bromodichloromethane | 1.3 µg/L No EPA limit set | 3/3 | SYR4 | 2012–2014 |
| Dibromochloromethane | 1.29 µg/L No EPA limit set
worst single sample: 1.3 µg/L | 3/3 | SYR4 | 2012–2014 |
| Chloroform | 1.095 µg/L No EPA limit set
worst single sample: 1.1 µg/L | 2/3 | SYR4 | 2012–2014 |
| Barium | 17 µg/L 0.9% of the EPA limit 2000 µg/L | 1/2 | SYR4 | 2014–2017 |
| Chromium | 1.9 µg/L 1.9% of the EPA limit 100 µg/L | 1/2 | SYR4 | 2014–2017 |
| Combined Radium (-226 And -228) | 1.4 pCi/L 28% of the EPA limit 5 pCi/L | 1/2 | SYR4 | 2015–2018 |
| Fluoride | 800 µg/L 20% of the EPA limit 4000 µg/L | 1/2 | SYR4 | 2014–2017 |
| Total Haloacetic Acids (HAA5) | 1.3 µg/L 2.2% of the EPA limit 60 µg/L | 1/6 | SYR4 | 2012–2019 |
38 contaminants tested, none detected
Utility contact
Frequently asked questions about Knights Hill Association
Is Knights Hill Association tap water safe to drink?
EPA monitoring detected 15 contaminants in Knights Hill 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 Knights Hill Association's water?
EPA monitoring detected Copper, Lead, Lead, Combined Uranium, Gross Alpha, Excl. Radon And U, and others. The full list with the level and data source for each is above.
How many people does Knights Hill Association serve?
Knights Hill Association reports serving 718 people in Maine, per its EPA record.
Has Knights Hill Association had any water quality violations?
The EPA has 33 violations on file for Knights Hill Association, of which 5 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.