Public water system record
Warrenton PWS
Serves Warrenton, Warren County, MO · 8,208 people served
Federal records show no health-based violations and no monitoring or reporting issues for Warrenton PWS in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Warrenton PWS draws water from 5 wells.
- Most recent formal enforcement: signed compliance agreement by Missouri, November 1999.
- Record on file since 1994, with 14 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 76 unknown out of 3,628 service lines.
Check whether Warrenton PWS 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.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1994
EPA's records for Warrenton PWS go back to 1994. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 7 | 1 |
| 2000s | 7 | 2 |
| 2010 to October 18, 2016 | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 2009, Resolved.
Show all 14 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1998 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1994 | Resolved |
Enforcement actions
Missouri regulators took 1 formal enforcement action against Warrenton PWS and issued 1 boil water order between 1998 and 1999. The most recent was a signed compliance agreement in November 1999.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 2, 1999 | Missouri | Signed compliance agreement | 3 violations (3 health-based): Total Coliform |
| Dec 2, 1998 | Missouri | Boil water order | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Warrenton PWS draws water from 5 wells. 2 other public water systems have emergency connections to Warrenton PWS.
Annual water quality report
Warrenton PWS 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 Missouri.
Certified drinking water labs by state EPA guidance for private wells