F0/100
FREDERICKTOWN PWS — Water Quality Report 2026
Serving 4,429 people · Missouri
Water Source
Surface Water
County
—
System ID
MO4010290
Violations
48
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – September 16, 2025Rule: 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 FREDERICKTOWN PWS
Is FREDERICKTOWN PWS water safe to drink?
FREDERICKTOWN PWS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 48 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has FREDERICKTOWN PWS detected?
31 contaminants were tested in FREDERICKTOWN PWS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does FREDERICKTOWN PWS have any EPA violations?
Yes, FREDERICKTOWN PWS has 48 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, TT, MCL. 25 are health-based violations.
How many people does FREDERICKTOWN PWS serve?
FREDERICKTOWN PWS serves approximately 4,429 people, Missouri. The system provides water to 1 community: Fredericktown.
What type of water does FREDERICKTOWN PWS provide?
FREDERICKTOWN PWS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MO4010290.
How does FREDERICKTOWN PWS compare to other utilities in Missouri?
FREDERICKTOWN 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.