DENMARK WATERWORKS
PWSID: WI4050351 · WI · Serves 2,684 people
According to EPA Safe Drinking Water Information System (SDWIS), DENMARK WATERWORKS (PWSID WI4050351) in WI is listed as a CWS water system covering about 2,684 people. The same extract lists 5 health-based violation records spanning 1994-2024. Those 5 health-based rows for DENMARK WATERWORKS cover contaminants such as Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
DENMARK WATERWORKS has 5 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 Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 1994–2024. 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)
- WI4050351
- System Type
- CWS
- Water Source
- Surface Water
- Location
- WI
- Population Served
- 2,684
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead and Copper Rule | 3 | 3 |
| LEAD AND COPPER RULE REVISIONS | 2 | 2 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Lead and Copper Rule | Yes | Jul 1, 2005 |
| Lead and Copper Rule | Yes | Jul 1, 2005 |
| Lead and Copper Rule | Yes | Jan 1, 1994 |
Frequently Asked Questions
What does EPA SDWIS list for DENMARK WATERWORKS?
How many people does DENMARK WATERWORKS serve?
What violations does DENMARK WATERWORKS have?
What contaminants have been found in DENMARK WATERWORKS water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest DENMARK WATERWORKS on cumulative violation count (5) and EPA-reported population served (2,684). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include LAKEVIEW U.D. WEST, VILLAGE OF VINTON, CALLAWAY GARDENS RESORTS, INC..
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).
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About This Data
DENMARK WATERWORKS (WI4050351) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 1994-2024 covering Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS. Historical registry entries, 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.