Public water system record
St Johns Northwestern Academies
Serves Delafield, Waukesha County, WI · 340 people served
Federal records show 2 health-based violations and 10 monitoring/reporting issues for St Johns Northwestern Academies in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 10
Key facts
- St Johns Northwestern Academies draws water from 2 wells.
- Most recent enforcement action: boil water order by Wisconsin, May 2001.
- Record on file since 1995, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 12 unknown out of 12 service lines.
Check whether St Johns Northwestern Academies serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Dec 2, 2021 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1995
EPA's records for St Johns Northwestern Academies go back to 1995. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 41 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 1 |
| 2000s | 1 | 9 |
| 2010 to October 18, 2016 | 0 | 31 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 2 | 9 |
Most recent health-based violation before October 19, 2016: Total Coliform, began May 2001, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1999 | Resolved |
Enforcement actions
Wisconsin regulators issued 2 boil water orders to St Johns Northwestern Academies between 1999 and 2001. The most recent was a boil water order in May 2001.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 17, 2001 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Feb 11, 1999 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Where the water comes from
St Johns Northwestern Academies draws water from 2 wells.
Annual water quality report
St Johns Northwestern Academies must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask St Johns Northwestern Academies for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Wisconsin.
Certified drinking water labs by state EPA guidance for private wells