MOUNT STERLING WATERWORKS
PWSID: WI6120246 · Mt Sterling, WI · Serves 206 people
According to EPA Safe Drinking Water Information System (SDWIS), MOUNT STERLING WATERWORKS (PWSID WI6120246) in Mt Sterling, WI is listed as a CWS water system covering about 206 people. The same extract lists 6 health-based violation records spanning 2023-2024. Those 6 health-based rows for MOUNT STERLING WATERWORKS cover contaminants such as Lead and Copper Rule, Stage 1 Disinfectants and Disinfection Byproducts Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
MOUNT STERLING WATERWORKS has 6 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. 3 distinct EPA contaminant codes appear in this system's record, including Lead and Copper Rule, Stage 1 Disinfectants and Disinfection Byproducts Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2023–2024. 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)
- WI6120246
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mt Sterling, WI
- Population Served
- 206
- Health Violations
- Yes (6)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead and Copper Rule | 3 | 3 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 2 | 2 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (6)
| Contaminant | Health | Date |
|---|---|---|
| Lead and Copper Rule | Yes | Dec 11, 2024 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | May 2, 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | May 2, 2024 |
| Lead and Copper Rule | Yes | Oct 1, 2023 |
| Lead and Copper Rule | Yes | Oct 1, 2023 |
Frequently Asked Questions
What does EPA SDWIS list for MOUNT STERLING WATERWORKS?
How many people does MOUNT STERLING WATERWORKS serve?
What violations does MOUNT STERLING WATERWORKS have?
What contaminants have been found in MOUNT STERLING WATERWORKS water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MOUNT STERLING WATERWORKS on cumulative violation count (6) and EPA-reported population served (206). Violation-count peers include CHEROKEE WATER SYSTEM, LAME DEER WATER SYSTEM, FOUR BEARS WATER SYSTEM.
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
MOUNT STERLING WATERWORKS (WI6120246) is drawn from EPA SDWIS. Nearby county systems in this extract include WAUZEKA WATERWORKS; SOLDIERS GROVE WATERWORKS; GAYS MILLS WATERWORKS; EASTMAN WATERWORKS. Health-based rows (6 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.