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 |
|---|---|---|---|
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| Other | Monitoring | Resolved | 2020-07-01 |
| Other | Monitoring | Resolved | 2020-07-01 |
| MR | Monitoring | Resolved | 2017-01-01 |
| MR | Monitoring | Resolved | 2017-01-01 |
| MR | Monitoring | Resolved | 2007-01-01 → 2007-03-31 |
| MR | Monitoring | Resolved | 2007-01-01 → 2007-03-31 |
| MR | Monitoring | Resolved | 1999-01-01 → 1999-03-31 |
| MR | Monitoring | Resolved | 1999-01-01 → 1999-03-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 130 µg/L 10% of the EPA limit 1300 µg/L | 30/30 | SYR4 | 2013–2019 |
| Lead | 2.785 µg/L 19% of the EPA limit 15 µg/L
worst single sample: 3.2 µg/L | 22/30 | SYR4 | 2013–2019 |
| Nitrate | 4300 µg/L 43% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Lead | 0.0150 mg/L 100% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Bromodichloromethane | 5.535 µg/L No EPA limit set
worst single sample: 5.55 µg/L | 7/8 | SYR4 | 2012–2019 |
| Bromoform | 4.0836 µg/L No EPA limit set
worst single sample: 4.53 µg/L | 7/8 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6.934 µg/L No EPA limit set
worst single sample: 7.12 µg/L | 7/8 | SYR4 | 2012–2019 |
| TTHM | 17.74 µg/L 22% of the EPA limit 80 µg/L
worst single sample: 18.1 µg/L | 7/8 | SYR4 | 2012–2019 |
| Chloroform | 3.7625 µg/L No EPA limit set
worst single sample: 3.9 µg/L | 6/8 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 3.298 µg/L No EPA limit set
worst single sample: 3.3 µg/L | 5/8 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 4.492 µg/L 7.5% of the EPA limit 60 µg/L
worst single sample: 4.79 µg/L | 5/8 | SYR4 | 2012–2019 |
| Barium | 61.5 µg/L 3.1% of the EPA limit 2000 µg/L
worst single sample: 62 µg/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 1076.85 µg/L 27% of the EPA limit 4000 µg/L
worst single sample: 1100 µg/L | 2/2 | SYR4 | 2014–2017 |
| Combined Radium (-226 And -228) | 1.386 pCi/L 28% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
| Dichloroacetic Acid | 2.47 µg/L No EPA limit set | 1/8 | SYR4 | 2012–2019 |
| Selenium | 3.8 µg/L 7.6% of the EPA limit 50 µg/L | 1/2 | SYR4 | 2014–2017 |
62 contaminants tested, none detected
Utility contact
Frequently asked questions about Meredosia
Is Meredosia tap water safe to drink?
EPA monitoring detected 16 contaminants in Meredosia'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 Meredosia's water?
EPA monitoring detected Copper, Lead, Nitrate, Lead, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Meredosia serve?
Meredosia reports serving 1,075 people in Illinois, per its EPA record.
Has Meredosia had any water quality violations?
The EPA has 12 violations on file for Meredosia, of which 0 are health-based (a contaminant limit or required treatment was breached) and 2 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.