LA SALLE
PWSID: IL0990300 · La Salle, IL · Serves 9,700 people
According to EPA Safe Drinking Water Information System (SDWIS), LA SALLE (PWSID IL0990300) in La Salle, IL is listed as a CWS water system covering about 9,700 people. The same extract lists 11 health-based violation records spanning 2017-2022. Those 11 health-based rows for LA SALLE cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
LA SALLE has 11 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 TTHM. Recorded violations span 2017–2022. 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)
- IL0990300
- System Type
- CWS
- Water Source
- Groundwater
- Location
- La Salle, IL
- Population Served
- 9,700
- Health Violations
- Yes (11)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 11 | 11 |
Violation History (11)
Frequently Asked Questions
What does EPA SDWIS list for LA SALLE?
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Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LA SALLE on cumulative violation count (11) and EPA-reported population served (9,700). Violation-count peers include MICCOSUKEE TRIBE OF INDIANS, Arizona Village, WHITE SWAN. Population peers include MOUNTAIN VILLAGE TOWN OF, JACKSON COUNTY PWSD 13, CORNWALL-ON-HUDSON.
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
LA SALLE (IL0990300) is drawn from EPA SDWIS. Nearby county systems in this extract include OTTAWA; PERU; MENDOTA; OGLESBY. Health-based rows (11 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.