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 | Archived | 1984-10-01 → 1985-09-30 |
| MCL | Health-based | Archived | 1983-10-01 → 1984-09-30 |
| MCL | Health-based | Archived | 1979-11-26 → 1980-10-25 |
| MON | Monitoring | Resolved | 2016-10-01 → 2016-10-31 |
| MON | Monitoring | Resolved | 2016-10-01 → 2016-10-31 |
| MON | Monitoring | Resolved | 2016-10-01 → 2016-10-31 |
| MON | Monitoring | Resolved | 2016-10-01 → 2016-10-31 |
| MR | Monitoring | Resolved | 2015-04-01 → 2015-06-30 |
| MR | Monitoring | Resolved | 2015-04-01 → 2015-06-30 |
| MR | Monitoring | Resolved | 2015-04-01 → 2015-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 86.405 µg/L 6.6% of the EPA limit 1300 µg/L
worst single sample: 86.5 µg/L | 20/20 | SYR4 | 2014–2017 |
| Lead | 0.0014 mg/L 9.3% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2023 |
| Nitrate | 400 µg/L 4% of the EPA limit 10000 µg/L | 8/20 | SYR4 | 2012–2019 |
| Lead | 2.96 µg/L 20% of the EPA limit 15 µg/L
worst single sample: 3.3 µg/L | 5/20 | SYR4 | 2014–2017 |
| Trichloroacetic Acid | 0.8215 µg/L No EPA limit set
worst single sample: 0.8500 µg/L | 4/8 | SYR4 | 2013–2019 |
| Fluoride | 2390 µg/L 60% of the EPA limit 4000 µg/L
worst single sample: 2400 µg/L | 3/3 | SYR4 | 2013–2017 |
| Nitrite | 269 µg/L 27% of the EPA limit 1000 µg/L
worst single sample: 280 µg/L | 3/34 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 3.565 pCi/L 71% of the EPA limit 5 pCi/L
worst single sample: 3.6 pCi/L | 2/2 | SYR4 | 2014–2017 |
| Monochloroacetic Acid | 2.039 µg/L No EPA limit set
worst single sample: 2.04 µg/L | 2/8 | SYR4 | 2013–2019 |
| Barium | 16.5 µg/L 0.8% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2013 |
| Chloroform | 0.9500 µg/L No EPA limit set | 1/8 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.09 µg/L No EPA limit set | 1/8 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 1.94 µg/L No EPA limit set | 1/8 | SYR4 | 2013–2019 |
| Selenium | 3.1 µg/L 6.2% of the EPA limit 50 µg/L | 1/1 | SYR4 | 2013 |
| Lithium | 160 µg/L No EPA limit set | 1/2 | UCMR-5 | 2024 |
77 contaminants tested, none detected
Utility contact
Frequently asked questions about Melcher-Dallas Water Supply
Is Melcher-Dallas Water Supply tap water safe to drink?
EPA monitoring detected 15 contaminants in Melcher-Dallas Water Supply'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 Melcher-Dallas Water Supply's water?
EPA monitoring detected Copper, Lead, Nitrate, Lead, Trichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Melcher-Dallas Water Supply serve?
Melcher-Dallas Water Supply reports serving 1,213 people in Iowa, per its EPA record.
Has Melcher-Dallas Water Supply had any water quality violations?
The EPA has 22 violations on file for Melcher-Dallas Water Supply, of which 3 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.