C52/100
STOCKTON PWS — Water Quality Report 2026
Serving 1,892 people · Missouri
Water Source
Groundwater
County
—
System ID
MO5010763
Violations
13
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2023 – April 24, 2024Rule: Ground Water 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 STOCKTON PWS
Is STOCKTON PWS water safe to drink?
STOCKTON PWS water receives a grade of C (52/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 13 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has STOCKTON PWS detected?
21 contaminants were tested in STOCKTON PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does STOCKTON PWS have any EPA violations?
Yes, STOCKTON PWS has 13 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MON, MCL. 8 are health-based violations.
How many people does STOCKTON PWS serve?
STOCKTON PWS serves approximately 1,892 people, Missouri. The system provides water to 1 community: Stockton.
What type of water does STOCKTON PWS provide?
STOCKTON PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO5010763.
How does STOCKTON PWS compare to other utilities in Missouri?
STOCKTON PWS scores 52/100 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.