SHANNON
PWSID: IL0150300 · Shannon, IL · Serves 801 people
According to EPA Safe Drinking Water Information System (SDWIS), SHANNON (PWSID IL0150300) in Shannon, IL is listed as a CWS water system covering about 801 people. The same extract lists 52 health-based violation records spanning 2015-2020. Those 52 health-based rows for SHANNON cover contaminants such as Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U; they remain historical EPA registry entries, not a current compliance or drinkability score.
SHANNON has 52 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 Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U. Recorded violations span 2015–2020. 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)
- IL0150300
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Shannon, IL
- Population Served
- 801
- Health Violations
- Yes (52)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Radium (-226 and -228) | 42 | 42 |
| Gross Alpha, Excl. Radon and U | 10 | 10 |
Violation History (52)
Frequently Asked Questions
What does EPA SDWIS list for SHANNON?
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Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SHANNON on cumulative violation count (52) and EPA-reported population served (801). Violation-count peers include KONGIGANAK WATER SYSTEM, FCSA 34 - MILLERTON NEW TOWN, COALGATE PWA. Population peers include GANTT WATER SYSTEM, HAMLET WATER WORKS, CRESTON 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
SHANNON (IL0150300) is drawn from EPA SDWIS. Nearby county systems in this extract include SAVANNA; THOMSON MAXIMUM SECURITY CENTER; LANARK; MOUNT CARROLL. Health-based rows (52 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.