LE ROY
PWSID: IL1130750 · Leroy, IL · Serves 3,498 people
According to EPA Safe Drinking Water Information System (SDWIS), LE ROY (PWSID IL1130750) in Leroy, IL is listed as a CWS water system covering about 3,498 people. The same extract lists 18 health-based violation records spanning 2002-2025. Those 18 health-based rows for LE ROY cover contaminants such as Total Haloacetic Acids (HAA5), Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
LE ROY has 18 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), Lead and Copper Rule. Recorded violations span 2002–2025. Day-to-day primacy enforcement for this system runs through the Illinois drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Illinois state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- IL1130750
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Leroy, IL
- Population Served
- 3,498
- Health Violations
- Yes (18)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 13 | 13 |
| Lead and Copper Rule | 5 | 5 |
Violation History (18)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Lead and Copper Rule | Yes | Mar 1, 2023 |
| Lead and Copper Rule | Yes | Mar 1, 2023 |
| Lead and Copper Rule | Yes | Mar 1, 2023 |
| Lead and Copper Rule | Yes | Mar 1, 2023 |
| Lead and Copper Rule | Yes | Jan 1, 2002 |
Frequently Asked Questions
What does EPA SDWIS list for LE ROY?
How many people does LE ROY serve?
What violations does LE ROY have?
What contaminants have been found in LE ROY water?
Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LE ROY on cumulative violation count (18) and EPA-reported population served (3,498). Violation-count peers include Jicarilla Dulce, WHITE SHIELD WATER TREATMENT PLANT, SAND POINT WATER SYSTEM. Population peers include CONSOLIDATED WATERWORKS DISTRICT 2, PINE VILLAGE PUD, COMMERCIAL POINT VILLAGE.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
LE ROY (IL1130750) is drawn from EPA SDWIS. Nearby county systems in this extract include NORMAL; HEYWORTH; LEXINGTON; HUDSON. Health-based rows (18 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.