HILLSBORO WATERWORKS
PWSID: WI6630257 · WI · Serves 1,325 people
According to EPA Safe Drinking Water Information System (SDWIS), HILLSBORO WATERWORKS (PWSID WI6630257) in WI is listed as a CWS water system covering about 1,325 people. The same extract lists 10 health-based violation records spanning 2019-2023. Those 10 health-based rows for HILLSBORO WATERWORKS cover contaminants such as Lead and Copper Rule, Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
HILLSBORO WATERWORKS has 10 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, Groundwater Rule. Recorded violations span 2019–2023. 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)
- WI6630257
- System Type
- CWS
- Water Source
- Groundwater
- Location
- WI
- Population Served
- 1,325
- Health Violations
- Yes (10)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead and Copper Rule | 5 | 5 |
| Groundwater Rule | 5 | 5 |
Violation History (10)
| Contaminant | Health | Date |
|---|---|---|
| Lead and Copper Rule | Yes | Mar 11, 2023 |
| Lead and Copper Rule | Yes | Mar 11, 2023 |
| Lead and Copper Rule | Yes | Mar 11, 2023 |
| Lead and Copper Rule | Yes | Sep 17, 2021 |
| Lead and Copper Rule | Yes | Jul 1, 2019 |
| Groundwater Rule | Yes | Jun 2, 2019 |
| Groundwater Rule | Yes | Jun 2, 2019 |
| Groundwater Rule | Yes | Jun 2, 2019 |
| Groundwater Rule | Yes | Jun 2, 2019 |
| Groundwater Rule | Yes | Jun 2, 2019 |
Frequently Asked Questions
What does EPA SDWIS list for HILLSBORO WATERWORKS?
How many people does HILLSBORO WATERWORKS serve?
What violations does HILLSBORO WATERWORKS have?
What contaminants have been found in HILLSBORO WATERWORKS water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HILLSBORO WATERWORKS on cumulative violation count (10) and EPA-reported population served (1,325). Violation-count peers include ETHETE WATER SYSTEM, Quechan Utility, Grand Canyon West. Population peers include SPARKMAN WATERWORKS, LAKE JOSEPHINE HEIGHTS, BELMONT ABBEY COLLEGE.
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
HILLSBORO WATERWORKS (WI6630257) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2019-2023 covering Lead and Copper Rule, Groundwater Rule. 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.