ONALASKA WATERWORKS
PWSID: WI6320327 · Onalaska, WI · Serves 18,000 people
According to EPA Safe Drinking Water Information System (SDWIS), ONALASKA WATERWORKS (PWSID WI6320327) in Onalaska, WI is listed as a CWS water system covering about 18,000 people. PlainEnviro's health-based extract shows zero health-based violation records for this system. PlainEnviro's extract shows zero health-based violation rows for ONALASKA WATERWORKS; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
ONALASKA WATERWORKS has no health-based violation records in PlainEnviro's EPA SDWIS extract. This does not establish current safety or compliance.
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. No contaminant code appears in the extract. Day-to-day primacy enforcement for this system runs through the Wisconsin 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 Wisconsin state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- WI6320327
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Onalaska, WI
- Population Served
- 18,000
- Health Violations
- None
No Violations on Record
ONALASKA WATERWORKS has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
What does EPA SDWIS list for ONALASKA WATERWORKS?
How many people does ONALASKA WATERWORKS serve?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ONALASKA WATERWORKS on cumulative violation count (0) and EPA-reported population served (18,000). Population peers include GARDEN CITY PARK WD, CITY OF ABERDEEN, CITY OF PAMPA.
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
ONALASKA WATERWORKS (WI6320327) is drawn from EPA SDWIS. Nearby county systems in this extract include WEST SALEM WATERWORKS; BANGOR WATERWORKS; COON VALLEY WATERWORKS; ROCKLAND WATERWORKS. Health-based rows (none listed) 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.