C57/100
WEST PLAINS PWS — Water Quality Report 2026
Serving 12,864 people · Missouri
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
MO4010853
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – November 1, 2023Enforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: June 1, 2023 – June 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About WEST PLAINS PWS
Is WEST PLAINS PWS water safe to drink?
WEST PLAINS PWS water receives a grade of C (57/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 12 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WEST PLAINS PWS detected?
69 contaminants were tested in WEST PLAINS PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WEST PLAINS PWS have any EPA violations?
Yes, WEST PLAINS PWS has 12 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, TT, MR. 7 are health-based violations.
How many people does WEST PLAINS PWS serve?
WEST PLAINS PWS serves approximately 12,864 people, Missouri. The system provides water to 1 community: West Plains.
What type of water does WEST PLAINS PWS provide?
WEST PLAINS PWS sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MO4010853.
How does WEST PLAINS PWS compare to other utilities in Missouri?
WEST PLAINS PWS scores 57/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Missouri state page for a full comparison of water systems.