POTOSI WATERWORKS
PWSID: WI1220117 · Potosi, WI · Serves 718 people
According to EPA Safe Drinking Water Information System (SDWIS), POTOSI WATERWORKS (PWSID WI1220117) in Potosi, WI is listed as a CWS water system covering about 718 people. The same extract lists 3 health-based violation records spanning 2018-2024. Those 3 health-based rows for POTOSI WATERWORKS cover contaminants such as Stage 1 Disinfectants and Disinfection Byproducts Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
POTOSI WATERWORKS has 3 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 Stage 1 Disinfectants and Disinfection Byproducts Rule. Recorded violations span 2018–2024. 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)
- WI1220117
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Potosi, WI
- Population Served
- 718
- Health Violations
- Yes (3)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 3 | 3 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Mar 1, 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Mar 1, 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | May 2, 2018 |
Frequently Asked Questions
What does EPA SDWIS list for POTOSI WATERWORKS?
How many people does POTOSI WATERWORKS serve?
What violations does POTOSI WATERWORKS have?
What contaminants have been found in POTOSI WATERWORKS water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest POTOSI WATERWORKS on cumulative violation count (3) and EPA-reported population served (718). Violation-count peers include Mohegan Tribal Utility Authority, Tesuque Pueblo, Pojoaque South. Population peers include HOSPERS MUNICIPAL WATER DEPT, KNIGHTS HILL ASSOCIATION, WINDSOR ESTATES.
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
POTOSI WATERWORKS (WI1220117) is drawn from EPA SDWIS. Nearby county systems in this extract include PLATTEVILLE WATERWORKS; LANCASTER WATERWORKS; BOSCOBEL WATERWORKS; FENNIMORE WATERWORKS. Health-based rows (3 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.