Water Quality: Warrenton, MO

7 water systems • 12,603 people served

Multiple Health Violations
41
Total Violations
4
Health-Based Violations
7
Water Systems
12,603
Population Served

Water Quality Summary

Warrenton is served by 7 public water systems with a combined service population of 12,603 people, and has 41 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Warrenton's violation count is 8% above the national average for Missouri. Contaminants associated with violations include Chlorine Dioxide, E. coli.

Contaminants Found

Chlorine Dioxide

Can cause anemia in infants and young children; may cause nervous system effects at high levels.

Common source: Water treatment disinfectant used to control taste, odor, and microorganisms

EPA limit: 0.8 mg/L

E. coli

Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.

Common source: Fecal contamination from humans or animals entering the water supply

EPA limit: Zero (no E. coli permitted in drinking water)

Water Systems Serving Warrenton

System Name PWSID Source Population Violations
WARRENTON PWS MO6010834 Groundwater 8,208 1
MONTGOMERY CO PWSD 1 MO6024406 Groundwater 3,850 15
MONTGOMERY COUNTY PWSD 1 JONESBURG MO3021326 Groundwater 300 6
MAPLE RIDGE MHP MO6048138 Groundwater 140 2
CEDAR GROVE VILLAGE SUBD MO6036189 Groundwater 60 8
LINN ACRES MOBILE HOME PARK MO2041594 Groundwater 25 0
MONTGOMERY COUNTY PWSD 1 MONTGOMERY CITY MO6024405 Groundwater 20 9

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

Other Cities in Missouri

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Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for MO