Public water system record
Bates County PWSD 4
Serves an area of Bates County and Vernon County, MO that includes Foster and Metz · 2,348 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Bates County PWSD 4 in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Bates County PWSD 4 buys its water from Butler PWS and Bates County PWSD 2.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 81 µg/L, federal limit 80 µg/L (at or just above the limit), 2025.
- Record on file since 1991, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 955 service lines.
Check whether Bates County PWSD 4 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
|
220 | Jan 1, 2025 | 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
|
Jul 3, 2025 | Resolved |
Full record since 1991
EPA's records for Bates County PWSD 4 go back to 1991. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 1 |
| 2000s | 1 | 1 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2009, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 7, 1991 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1991 | Resolved |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Bates County PWSD 4 buys its water from Butler PWS and Bates County PWSD 2. It lists no wells or intakes of its own. It also has an emergency connection to Rich Hill PWS. 1 other public water system has an emergency connection to Bates County PWSD 4.
Buys water from
- Butler PWS Butler, MO
- Bates County PWSD 2 Amsterdam, MO
Emergency or part-time connections to
- Rich Hill PWS Rich Hill, MO
Annual water quality report
Bates County PWSD 4 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