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F0/100

WELLSVILLE PWS — Water Quality Report 2026

Serving 1,210 people · Missouri

Water Source
Purchased Surface Water
County
—
System ID
MO6010848
Violations
98

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

7

Violations (last 5yr)

2

Unresolved

0

Health-Related

TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2025Verify on EPA.gov
TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: November 15, 2023Rule: Ground Water RuleVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – November 1, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 1, 2022 – September 30, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – July 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: 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 WELLSVILLE PWS

Is WELLSVILLE PWS water safe to drink?

WELLSVILLE PWS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 98 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has WELLSVILLE PWS detected?

1 contaminants were tested in WELLSVILLE PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does WELLSVILLE PWS have any EPA violations?

Yes, WELLSVILLE PWS has 98 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MON, MR. 70 are health-based violations.

How many people does WELLSVILLE PWS serve?

WELLSVILLE PWS serves approximately 1,210 people, Missouri. The system provides water to 1 community: Wellsville.

What type of water does WELLSVILLE PWS provide?

WELLSVILLE PWS sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MO6010848.

How does WELLSVILLE PWS compare to other utilities in Missouri?

WELLSVILLE PWS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Missouri state page for a full comparison of water systems.

Cities Served

Wellsville