Public water system record
New Windsor
Serves Windsor, Mercer County, IL · 740 people served
Federal records show 3 health-based violations and 14 monitoring/reporting issues for New Windsor in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 2
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 14
Key facts
- New Windsor draws water from 2 wells.
- Record on file since 1977, with 4 health-based violations before October 19, 2016.
Check whether New Windsor 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 | Active | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Dec 4, 2018 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Oct 1, 2018 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Aug 22, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Public Notice
OTHER
|
Oct 11, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2020 | Resolved |
|
Public Notice
OTHER
|
Jan 5, 2019 | Resolved |
|
Public Notice
OTHER
|
Oct 13, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Oct 20, 2016 | Resolved |
|
Public Notice
OTHER
|
Oct 20, 2016 | Resolved |
Full record since 1977
EPA's records for New Windsor go back to 1977. Before October 19, 2016 they list 4 health-based violations (1 resolved, 3 archived by EPA without a recorded fix) and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 2 | 6 |
| 2000s | 1 | 2 |
| 2010 to October 18, 2016 | 1 | 3 |
| October 19, 2016 to 2019 | 2 | 7 |
| 2020s | 1 | 7 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2015, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1998 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1994 | Archived |
What the violations mean
Revised Total Coliform Rule
2 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
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.
Where the water comes from
New Windsor draws water from 2 wells.
Annual water quality report
New Windsor 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 Illinois.
Certified drinking water labs by state EPA guidance for private wells