NILWOOD
PWSID: IL1170750 · Modesto, IL · Serves 1,394 people
NILWOOD has 2 health-based violations out of 2 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
NILWOOD (PWSID IL1170750) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 1,394 people in Modesto, IL, and is subject to primacy enforcement by the Illinois drinking-water program.
The system's federal compliance record contains 2 total violations, with 2 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Combined Radium 226/228. Recorded violations span 1998–1999.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time 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)
- IL1170750
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Modesto, IL
- Population Served
- 1,394
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Radium 226/228 | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Combined Radium 226/228 | Yes | Jan 1, 1999 |
| Combined Radium 226/228 | Yes | Nov 23, 1998 |
Frequently Asked Questions
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.