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 | 2005-09-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-09-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-09-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-09-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-09-01 → 2005-09-30 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-12-31 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-12-31 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-12-31 |
| Other | Monitoring | Resolved | 2023-10-01 |
| Other | Monitoring | Resolved | 2023-10-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2025 |
| Copper | 175.5 µg/L 14% of the EPA limit 1300 µg/L
worst single sample: 180 µg/L | 10/15 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 890.5 µg/L 8.9% of the EPA limit 10000 µg/L
worst single sample: 950 µg/L | 8/8 | SYR4 | 2012–2019 |
| Lead | 2 µg/L 13% of the EPA limit 15 µg/L | 4/15 | SYR4 | 2012–2018 |
| Nitrate | 710 µg/L 7.1% of the EPA limit 10000 µg/L | 4/4 | SYR4 | 2016–2017 |
| Barium | 478.5 µg/L 24% of the EPA limit 2000 µg/L
worst single sample: 480 µg/L | 2/2 | SYR4 | 2016–2017 |
| Fluoride | 119.5 µg/L 3% of the EPA limit 4000 µg/L
worst single sample: 120 µg/L | 2/2 | SYR4 | 2016–2017 |
| Combined Uranium | 4.3 µg/L 14% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2019 |
59 contaminants tested, none detected
Utility contact
Frequently asked questions about Emerald Heights Hoa Water & Sewer Dist
Is Emerald Heights Hoa Water & Sewer Dist tap water safe to drink?
EPA monitoring detected 8 contaminants in Emerald Heights Hoa Water & Sewer Dist'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 Emerald Heights Hoa Water & Sewer Dist's water?
EPA monitoring detected Lead, Copper, Nitrate-Nitrite, Lead, Nitrate, and others. The full list with the level and data source for each is above.
How many people does Emerald Heights Hoa Water & Sewer Dist serve?
Emerald Heights Hoa Water & Sewer Dist reports serving 70 people in Montana, per its EPA record.
Has Emerald Heights Hoa Water & Sewer Dist had any water quality violations?
The EPA has 26 violations on file for Emerald Heights Hoa Water & Sewer Dist, 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.