SOMONAUK
PWSID: IL0374870 · Somonauk, IL · Serves 1,860 people
According to EPA Safe Drinking Water Information System (SDWIS), SOMONAUK (PWSID IL0374870) in Somonauk, IL is listed as a CWS water system covering about 1,860 people. The same extract lists 2 health-based violation records spanning 1995-1995. Those 2 health-based rows for SOMONAUK cover contaminants such as Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
SOMONAUK has 2 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. 1 distinct EPA contaminant code appears in this system's record, including Lead and Copper Rule. Recorded violations span 1995–1995. 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)
- IL0374870
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Somonauk, IL
- Population Served
- 1,860
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead and Copper Rule | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Lead and Copper Rule | Yes | Aug 1, 1995 |
| Lead and Copper Rule | Yes | Jan 12, 1995 |
Frequently Asked Questions
What does EPA SDWIS list for SOMONAUK?
How many people does SOMONAUK serve?
What violations does SOMONAUK have?
What contaminants have been found in SOMONAUK water?
Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SOMONAUK on cumulative violation count (2) and EPA-reported population served (1,860). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe. Population peers include DORCHEAT WATER ASSOCIATION, SCWA, NORTH STONINGTON DIVISION (NST), ALBERTA WATER SYSTEM.
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
SOMONAUK (IL0374870) is drawn from EPA SDWIS. Nearby county systems in this extract include DEKALB; SYCAMORE; SANDWICH; NORTHERN ILLINOIS UNIVERSITY-DEKALB. Health-based rows (2 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.