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 | 1999-06-01 → 1999-06-30 |
| MCL | Health-based | Archived | 1999-06-01 → 1999-06-30 |
| MCL | Health-based | Archived | 1998-06-01 → 1998-06-30 |
| MCL | Health-based | Archived | 1998-06-01 → 1998-06-30 |
| MCL | Health-based | Archived | 1998-06-01 → 1998-06-30 |
| MCL | Health-based | Archived | 1998-06-01 → 1998-06-30 |
| MR | Monitoring | Resolved | 2009-07-01 → 2009-07-31 |
| MR | Monitoring | Resolved | 2009-07-01 → 2009-07-31 |
| MR | Monitoring | Resolved | 2009-07-01 → 2009-07-31 |
| MR | Monitoring | Resolved | 2009-07-01 → 2009-07-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 4300 µg/L 43% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Copper | 170 µg/L 13% of the EPA limit 1300 µg/L | 15/15 | SYR4 | 2012–2018 |
| Lead | 0.0046 mg/L 31% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2024 |
| Lead | 2.2 µg/L 15% of the EPA limit 15 µg/L | 8/15 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 4300 µg/L 43% of the EPA limit 10000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Barium | 140 µg/L 7% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 369 µg/L 9.2% of the EPA limit 4000 µg/L | 2/2 | SYR4 | 2014–2017 |
| Arsenic | 1.1 µg/L 11% of the EPA limit 10 µg/L | 1/2 | SYR4 | 2014–2017 |
| Combined Radium (-226 And -228) | 1.4 pCi/L 28% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
| Selenium | 2.6 µg/L 5.2% of the EPA limit 50 µg/L | 1/2 | SYR4 | 2014–2017 |
68 contaminants tested, none detected
Utility contact
Frequently asked questions about Expressway Mhp
Is Expressway Mhp tap water safe to drink?
EPA monitoring detected 10 contaminants in Expressway Mhp'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 Expressway Mhp's water?
EPA monitoring detected Nitrate, Copper, Lead, Lead, Nitrate-Nitrite, and others. The full list with the level and data source for each is above.
How many people does Expressway Mhp serve?
Expressway Mhp reports serving 98 people in Illinois, per its EPA record.
Has Expressway Mhp had any water quality violations?
The EPA has 20 violations on file for Expressway Mhp, of which 6 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.