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 | 1996-06-01 → 1996-06-30 |
| MCL | Health-based | Resolved | 1996-06-01 → 1996-06-30 |
| MCL | Health-based | Resolved | 1996-06-01 → 1996-06-30 |
| MCL | Health-based | Resolved | 1996-06-01 → 1996-06-30 |
| MCL | Health-based | Resolved | 1996-06-01 → 1996-06-30 |
| MCL | Health-based | Resolved | 1995-07-01 → 1995-07-31 |
| MCL | Health-based | Resolved | 1995-07-01 → 1995-07-31 |
| MCL | Health-based | Resolved | 1995-07-01 → 1995-07-31 |
| MCL | Health-based | Resolved | 1995-07-01 → 1995-07-31 |
| MCL | Health-based | Resolved | 1995-07-01 → 1995-07-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 73.04 µg/L 5.6% of the EPA limit 1300 µg/L
worst single sample: 169 µg/L | 89/90 | SYR4 | 2012–2018 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2024 |
| Chloroform | 1.514 µg/L No EPA limit set
worst single sample: 1.58 µg/L | 5/35 | SYR4 | 2012–2019 |
| Fluoride | 2560 µg/L 64% of the EPA limit 4000 µg/L
worst single sample: 2600 µg/L | 5/5 | SYR4 | 2013–2019 |
| Lead | 2.73 µg/L 18% of the EPA limit 15 µg/L
worst single sample: 2.9 µg/L | 3/90 | SYR4 | 2012–2018 |
| Monochloroacetic Acid | 5.927 µg/L No EPA limit set
worst single sample: 6.31 µg/L | 3/35 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 6.731 µg/L 11% of the EPA limit 60 µg/L
worst single sample: 6.82 µg/L | 3/35 | SYR4 | 2012–2019 |
| Nitrite | 256 µg/L 26% of the EPA limit 1000 µg/L
worst single sample: 260 µg/L | 2/4 | SYR4 | 2018–2019 |
| Trichloroacetic Acid | 4.813 µg/L No EPA limit set
worst single sample: 5.04 µg/L | 2/35 | SYR4 | 2012–2019 |
| Lithium | 480 µg/L No EPA limit set | 2/2 | UCMR-5 | 2024 |
| Antimony, Total | 0.6000 µg/L 10% of the EPA limit 6 µg/L | 1/1 | SYR4 | 2013 |
| Barium | 4.6 µg/L 0.2% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2013 |
| Bromodichloromethane | 0.6400 µg/L No EPA limit set | 1/35 | SYR4 | 2012–2019 |
| Bromoform | 0.6800 µg/L No EPA limit set | 1/35 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 2.2 pCi/L 44% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
| Dibromochloromethane | 0.7000 µg/L No EPA limit set | 1/35 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 3.45 µg/L No EPA limit set | 1/35 | SYR4 | 2012–2019 |
73 contaminants tested, none detected
Utility contact
Frequently asked questions about Indianola Water Supply
Is Indianola Water Supply tap water safe to drink?
EPA monitoring detected 17 contaminants in Indianola 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 Indianola Water Supply's water?
EPA monitoring detected Copper, Lead, Chloroform, Fluoride, Lead, and others. The full list with the level and data source for each is above.
How many people does Indianola Water Supply serve?
Indianola Water Supply reports serving 15,833 people in Iowa, per its EPA record.
Has Indianola Water Supply had any water quality violations?
The EPA has 36 violations on file for Indianola Water Supply, of which 13 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.