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 | Addressed | 2026-04-01 → 2026-06-30 |
| MCL | Health-based | Addressed | 2026-04-01 → 2026-06-30 |
| MCL | Health-based | Addressed | 2026-04-01 → 2026-06-30 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Combined Radium (-226 And -228) | 9.2 pCi/L 184% of the EPA limit, in the worst sample — 5 pCi/L | 25/25 | SYR4 | 2013–2019 |
| Lead | 0.0110 mg/L 73% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Nitrate | 700 µg/L 7% of the EPA limit 10000 µg/L | 12/16 | SYR4 | 2012–2019 |
| Bromate | 170 µg/L 1700% of the EPA limit, in the worst sample — 10 µg/L | 8/100 | SYR4 | 2012–2019 |
| Fluoride | 1700 µg/L 43% of the EPA limit 4000 µg/L | 4/4 | SYR4 | 2013–2019 |
| Barium | 12 µg/L 0.6% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2013–2019 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L | 1/2 | SYR4 | 2013–2019 |
| Bromodichloromethane | 2.7 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Bromoform | 1.5 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Chloroform | 1.4 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L | 1/2 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.3 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Dibromochloromethane | 3.8 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Dichloroacetic Acid | 2.1 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Gross Alpha, Excl. Radon And U | 12 pCi/L 80% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2019 |
| Monochloroacetic Acid | 2.3 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Nitrate-Nitrite | 700 µg/L 7% of the EPA limit 10000 µg/L | 1/1 | SYR4 | 2019 |
| Selenium | 2 µg/L 4% of the EPA limit 50 µg/L | 1/2 | SYR4 | 2013–2019 |
| TTHM | 9.3 µg/L 12% of the EPA limit 80 µg/L | 1/5 | SYR4 | 2012–2017 |
| Total Haloacetic Acids (HAA5) | 5.7 µg/L 9.5% of the EPA limit 60 µg/L | 1/3 | SYR4 | 2012–2017 |
59 contaminants tested, none detected
Utility contact
Frequently asked questions about Riverside Wc
Is Riverside Wc tap water safe to drink?
EPA monitoring detected 20 contaminants in Riverside Wc'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 Riverside Wc's water?
EPA monitoring detected Combined Radium (-226 And -228), Lead, Nitrate, Bromate, Fluoride, and others. The full list with the level and data source for each is above.
How many people does Riverside Wc serve?
Riverside Wc reports serving 90 people in Colorado, per its EPA record.
Has Riverside Wc had any water quality violations?
The EPA has 566 violations on file for Riverside Wc, of which 252 are health-based (a contaminant limit or required treatment was breached) and 3 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.