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 | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Resolved | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Resolved | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Resolved | 2010-11-01 → 2010-11-30 |
| MCL | Health-based | Resolved | 2010-11-01 → 2010-11-30 |
| MCL | Health-based | Resolved | 2010-11-01 → 2010-11-30 |
| MCL | Health-based | Resolved | 2010-10-01 → 2010-10-31 |
| MCL | Health-based | Resolved | 2010-10-01 → 2010-10-31 |
| MCL | Health-based | Resolved | 2010-10-01 → 2010-10-31 |
| MCL | Health-based | Resolved | 2009-07-01 → 2009-07-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 226 µg/L 17% of the EPA limit 1300 µg/L | 15/15 | SYR4 | 2013–2019 |
| Lead | 2.9 µg/L 19% of the EPA limit 15 µg/L | 15/15 | SYR4 | 2013–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2025 |
| Nitrate | 152 µg/L 1.5% of the EPA limit 10000 µg/L | 6/6 | SYR4 | 2017–2019 |
| Arsenic | 5 µg/L 50% of the EPA limit 10 µg/L | 1/1 | SYR4 | 2013 |
| Barium | 132 µg/L 6.6% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2013 |
| Chromium | 5.6 µg/L 5.6% of the EPA limit 100 µg/L | 1/1 | SYR4 | 2013 |
| Fluoride | 200 µg/L 5% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2013 |
| Selenium | 0.6000 µg/L 1.2% of the EPA limit 50 µg/L | 1/1 | SYR4 | 2013 |
10 contaminants tested, none detected
Utility contact
Frequently asked questions about Centennial Hills Home Association
Is Centennial Hills Home Association tap water safe to drink?
EPA monitoring detected 9 contaminants in Centennial Hills Home 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 Centennial Hills Home Association's water?
EPA monitoring detected Copper, Lead, Lead, Nitrate, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Centennial Hills Home Association serve?
Centennial Hills Home Association reports serving 25 people in South Dakota, per its EPA record.
Has Centennial Hills Home Association had any water quality violations?
The EPA has 73 violations on file for Centennial Hills Home Association, of which 51 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.