ANTIGO WATERWORKS
PWSID: WI7340086 · Antigo, WI · Serves 7,780 people
According to EPA Safe Drinking Water Information System (SDWIS), ANTIGO WATERWORKS (PWSID WI7340086) in Antigo, WI is listed as a CWS water system covering about 7,780 people. The same extract lists 8 health-based violation records spanning 2022-2025. Those 8 health-based rows for ANTIGO WATERWORKS cover contaminants such as Groundwater Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
ANTIGO WATERWORKS has 8 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. 2 distinct EPA contaminant codes appear in this system's record, including Groundwater Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2022–2025. 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)
- WI7340086
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Antigo, WI
- Population Served
- 7,780
- Health Violations
- Yes (8)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 7 | 7 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (8)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Jul 2, 2025 |
| Groundwater Rule | Yes | Feb 1, 2025 |
| Groundwater Rule | Yes | Dec 16, 2024 |
| Groundwater Rule | Yes | Dec 16, 2024 |
| Groundwater Rule | Yes | Dec 16, 2024 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Groundwater Rule | Yes | Apr 2, 2022 |
| Groundwater Rule | Yes | Apr 2, 2022 |
Frequently Asked Questions
What does EPA SDWIS list for ANTIGO WATERWORKS?
How many people does ANTIGO WATERWORKS serve?
What violations does ANTIGO WATERWORKS have?
What contaminants have been found in ANTIGO WATERWORKS water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ANTIGO WATERWORKS on cumulative violation count (8) and EPA-reported population served (7,780). Violation-count peers include Mashantucket Pequot Water System, San Ildefonso Pueblo, TOWAOC WATER SYSTEM. Population peers include DALE COUNTY WATER AUTHORITY, EDGEWORTH BORO MUNI AUTH, BAXTER WATER DEPARTMENT.
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
ANTIGO WATERWORKS (WI7340086) is drawn from EPA SDWIS. Nearby county systems in this extract include WHITE LAKE WATERWORKS; 2YK LLC. Health-based rows (8 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.