OAK CREEK WATERWORKS
PWSID: WI2410172 · Oak Creek, WI · Serves 32,104 people
According to EPA Safe Drinking Water Information System (SDWIS), OAK CREEK WATERWORKS (PWSID WI2410172) in Oak Creek, WI is listed as a CWS water system covering about 32,104 people. The same extract lists 5 health-based violation records spanning 2018-2024. Those 5 health-based rows for OAK CREEK WATERWORKS cover contaminants such as TTHM, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
OAK CREEK 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 TTHM, LEAD AND COPPER RULE REVISIONS. 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)
- WI2410172
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Oak Creek, WI
- Population Served
- 32,104
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 4 | 4 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
Frequently Asked Questions
What does EPA SDWIS list for OAK CREEK WATERWORKS?
How many people does OAK CREEK WATERWORKS serve?
What violations does OAK CREEK WATERWORKS have?
What contaminants have been found in OAK CREEK WATERWORKS water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest OAK CREEK WATERWORKS on cumulative violation count (5) and EPA-reported population served (32,104). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include NORTHVILLE TOWNSHIP, MAGNA WATER DISTRICT, HELENA WATER SYSTEM.
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
OAK CREEK WATERWORKS (WI2410172) is drawn from EPA SDWIS. Nearby county systems in this extract include MILWAUKEE WATERWORKS; WEST ALLIS WATERWORKS; WAUWATOSA WATERWORKS; NORTH SHORE WATER COMMISSION. Health-based rows (5 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.