ST JOHNS NORTHWESTERN ACADEMIES
PWSID: WI2680761 · Delafield, WI · Serves 340 people
According to EPA Safe Drinking Water Information System (SDWIS), ST JOHNS NORTHWESTERN ACADEMIES (PWSID WI2680761) in Delafield, WI is listed as a CWS water system covering about 340 people. The same extract lists 3 health-based violation records spanning 2021-2024. Those 3 health-based rows for ST JOHNS NORTHWESTERN ACADEMIES cover contaminants such as Stage 1 Disinfectants and Disinfection Byproducts Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
ST JOHNS NORTHWESTERN ACADEMIES has 3 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 Stage 1 Disinfectants and Disinfection Byproducts Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2021–2024. 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)
- WI2680761
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Delafield, WI
- Population Served
- 340
- Health Violations
- Yes (3)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 2 | 2 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Dec 2, 2021 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Dec 2, 2021 |
Frequently Asked Questions
What does EPA SDWIS list for ST JOHNS NORTHWESTERN ACADEMIES?
How many people does ST JOHNS NORTHWESTERN ACADEMIES serve?
What violations does ST JOHNS NORTHWESTERN ACADEMIES have?
What contaminants have been found in ST JOHNS NORTHWESTERN ACADEMIES water?
Compare beyond Wisconsin
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ST JOHNS NORTHWESTERN ACADEMIES on cumulative violation count (3) and EPA-reported population served (340). Violation-count peers include Mohegan Tribal Utility Authority, Tesuque Pueblo, Pojoaque South.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
ST JOHNS NORTHWESTERN ACADEMIES (WI2680761) is drawn from EPA SDWIS. Nearby county systems in this extract include MENOMONEE FALLS WW - SURFACE WATER; HARTLAND WATERWORKS; PEWAUKEE CITY WATER AND SEWER UTILITY; PEWAUKEE VILLAGE WATERWORKS. Health-based rows (3 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.