NORRIS INC
PWSID: WI2680246 · Mukwonago, WI · Serves 141 people
According to EPA Safe Drinking Water Information System (SDWIS), NORRIS INC (PWSID WI2680246) in Mukwonago, WI is listed as a CWS water system covering about 141 people. The same extract lists 2 health-based violation records spanning 2021-2025. Those 2 health-based rows for NORRIS INC cover contaminants such as Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
NORRIS INC 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 Groundwater Rule. Recorded violations span 2021–2025. 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)
- WI2680246
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mukwonago, WI
- Population Served
- 141
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Dec 20, 2025 |
| Groundwater Rule | Yes | Apr 1, 2021 |
Frequently Asked Questions
What does EPA SDWIS list for NORRIS INC?
How many people does NORRIS INC serve?
What violations does NORRIS INC have?
What contaminants have been found in NORRIS INC water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest NORRIS INC on cumulative violation count (2) and EPA-reported population served (141). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
NORRIS INC (WI2680246) is drawn from EPA SDWIS. Nearby county systems in this extract include MENOMONEE FALLS WW - SURFACE WATER; HARTLAND WATERWORKS; PEWAUKEE CITY WATER AND SEWER UTILITY; PEWAUKEE VILLAGE WATERWORKS. 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.