ST JOHNS NORTHWESTERN ACADEMIES
PWSID: WI2680761 · Delafield, WI · Serves 340 people
ST JOHNS NORTHWESTERN ACADEMIES has 3 health-based violations out of 3 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
ST JOHNS NORTHWESTERN ACADEMIES (PWSID WI2680761) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 340 people in Delafield, WI, and is subject to primacy enforcement by the Wisconsin drinking-water program.
The system's federal compliance record contains 3 total violations, with 3 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Chlorine, Gross Alpha. Recorded violations span 2021–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time 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 |
|---|---|---|
| Chlorine | 2 | 2 |
| Gross Alpha | 1 | 1 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| Gross Alpha | Yes | Oct 17, 2024 |
| Chlorine | Yes | Dec 2, 2021 |
| Chlorine | Yes | Dec 2, 2021 |
Frequently Asked Questions
Is ST JOHNS NORTHWESTERN ACADEMIES water safe to drink?
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?
Nearby Water Systems
Explore More
About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.