Public water system record
Mendon PWS
Serves Mendon, Chariton County, MO · 207 people served
Federal records show no health-based violations and 6 monitoring/reporting issues for Mendon 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
- 6
Key facts
- Mendon PWS buys its water from Chariton Linn County PWSD 3.
- Record on file since 1997, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 116 unknown out of 116 service lines.
Check whether Mendon 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
Full record since 1997
EPA's records for Mendon PWS go back to 1997. Before October 19, 2016 they list no health-based violations and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2010 to October 18, 2016 | 0 | 6 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 5 |
Where the water comes from
Mendon PWS buys its water from Chariton Linn County PWSD 3. It lists no wells or intakes of its own.
Buys water from
- Chariton Linn County PWSD 3 Brookfield, MO
Annual water quality report
Mendon 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.
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 Mendon PWS 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 Missouri.
Certified drinking water labs by state EPA guidance for private wells