MILLS, CITY OF
PWSID: WY5600036 · Mills, WY · Serves 4,050 people
According to EPA Safe Drinking Water Information System (SDWIS), MILLS, CITY OF (PWSID WY5600036) in Mills, WY is listed as a CWS water system covering about 4,050 people. The same extract lists 9 health-based violation records spanning 2024-2025. Those 9 health-based rows for MILLS, CITY OF cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
MILLS, CITY OF has 9 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 2024–2025. Day-to-day primacy enforcement for this system runs through the Wyoming 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 Wyoming state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- WY5600036
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Mills, WY
- Population Served
- 4,050
- Health Violations
- Yes (9)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 9 | 9 |
Violation History (9)
Frequently Asked Questions
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Compare beyond Wyoming
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MILLS, CITY OF on cumulative violation count (9) and EPA-reported population served (4,050). Violation-count peers include Santa Clara Pueblo, PARSHALL, CITY OF, WELLPINIT. Population peers include TOWN OF VIVIAN WATER SYSTEM, FARMINGTON VILLAGE CORP WATER DEPT, RUMFORD WATER DISTRICT.
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
MILLS, CITY OF (WY5600036) is drawn from EPA SDWIS. Nearby county systems in this extract include CASPER, CITY OF; BAR NUNN, TOWN OF; EVANSVILLE, TOWN OF; VISTA WEST WATER COMPANY. Health-based rows (9 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.