Public water system record
Winterset Municipal Waterworks
Serves Winterset, Madison County, IA · 5,428 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for Winterset Municipal Waterworks in the last ten years. The most serious issue in this window was a resolved Long Term 2 Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Winterset Municipal Waterworks draws water from 1 surface water intake.
- Most recent formal enforcement: signed compliance agreement by Iowa, November 2005.
- Record on file since 1988, with 19 health-based violations before October 19, 2016.
- Lead pipe inventory: 2 lead and 2,192 unknown out of 5,375 service lines.
Check whether Winterset Municipal Waterworks 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 |
|---|---|---|---|---|
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2018 | Resolved | No |
Full record since 1988
EPA's records for Winterset Municipal Waterworks go back to 1988. Before October 19, 2016 they list 19 health-based violations (19 resolved) and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 6 |
| 1990s | 4 | 3 |
| 2000s | 15 | 2 |
| October 19, 2016 to 2019 | 1 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began May 2007, Resolved.
Show all 19 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jul 1, 2006 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 1, 2005 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 1, 2004 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Apr 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 2004 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1991 | Resolved |
Enforcement actions
Iowa regulators took 2 formal enforcement actions against Winterset Municipal Waterworks between 1999 and 2005, filed as 11 records in EPA's data. The most recent was a signed compliance agreement in November 2005.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 15, 2005 | Iowa | Signed compliance agreement | 5 violations (5 health-based): Nitrate |
| Jun 4, 1999 | Iowa | Signed compliance agreement | 6 violations (6 health-based): Nitrate |
What the violations mean
Long Term 2 Enhanced Surface Water Treatment Rule
1 incidentThe system failed required surface water treatment or filtration standards
Untreated or inadequately treated surface water can contain bacteria and viruses
Where the water comes from
Winterset Municipal Waterworks draws water from 1 surface water intake.
Annual water quality report
Winterset Municipal Waterworks 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 Iowa.
Certified drinking water labs by state EPA guidance for private wells