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 | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0073 µg/L | 3/4 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 15 µg/L No EPA limit set | 58/58 | SYR4 | 2012–2019 |
| Chloroform | 73 µg/L No EPA limit set | 58/58 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 56 µg/L No EPA limit set | 58/58 | SYR4 | 2012–2019 |
| TTHM | 86 µg/L 108% of the EPA limit, in the worst sample — 80 µg/L | 58/58 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 26 µg/L No EPA limit set | 58/58 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 88 µg/L 147% of the EPA limit, in the worst sample — 60 µg/L | 57/58 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.5 µg/L No EPA limit set | 45/58 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 7 µg/L No EPA limit set | 38/58 | SYR4 | 2012–2019 |
| Copper | 1000 µg/L 77% of the EPA limit 1300 µg/L | 19/20 | SYR4 | 2015–2018 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2024 |
| Dibromoacetic Acid | 1 µg/L No EPA limit set | 2/58 | SYR4 | 2012–2019 |
| Lead | 6 µg/L 40% of the EPA limit 15 µg/L | 2/20 | SYR4 | 2015–2018 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 2/58 | SYR4 | 2012–2019 |
30 contaminants tested, none detected
Utility contact
Frequently asked questions about Sirwa #3 (Osceola)
Is Sirwa #3 (Osceola) tap water safe to drink?
EPA monitoring detected 14 contaminants in Sirwa #3 (Osceola)'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 Sirwa #3 (Osceola)'s water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dichloroacetic Acid, TTHM, Trichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Sirwa #3 (Osceola) serve?
Sirwa #3 (Osceola) reports serving 4,080 people in Iowa, per its EPA record.
Has Sirwa #3 (Osceola) had any water quality violations?
The EPA has 36 violations on file for Sirwa #3 (Osceola), of which 33 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.