Public water system record
Walker PWS
Serves Walker, Vernon County, MO · 283 people served
Federal records show 1 health-based violation and 3 monitoring/reporting issues for Walker PWS in the last ten years. The most serious issue in this window was a Groundwater Rule violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Walker PWS draws water from 1 well.
- Most recent enforcement action: boil water order by Missouri, January 2014.
- Record on file since 1980, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 166 service lines.
Check whether Walker 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2025 | Active |
|
Groundwater Rule
Monitoring and reporting
|
Nov 1, 2022 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
Full record since 1980
EPA's records for Walker PWS go back to 1980. Before October 19, 2016 they list 8 health-based violations (1 resolved, 7 archived by EPA without a recorded fix) and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 7 | 0 |
| 2010 to October 18, 2016 | 1 | 12 |
| 2020s | 1 | 3 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began January 2014, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Jan 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Dec 22, 1983 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Dec 22, 1982 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Dec 22, 1982 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Dec 22, 1982 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 21, 1980 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 21, 1980 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 21, 1980 | Archived |
Enforcement actions
Missouri regulators issued 1 boil water order to Walker PWS in 2014. The most recent was a boil water order in January 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 14, 2014 | Missouri | Boil water order | 1 violation (1 health-based): Groundwater Rule |
What the violations mean
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Walker PWS draws water from 1 well. It also has an emergency connection to Vernon County Cons PWSD 1.
Emergency or part-time connections to
- Vernon County Cons PWSD 1 Nevada, MO
Annual water quality report
Walker 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 Walker 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