Water Quality: Opelousas, LA

3 water systems • 34,989 people served

Multiple Health Violations
48
Total Violations
16
Health-Based Violations
3
Water Systems
34,989
Population Served

Water Quality Summary

Opelousas is served by 3 public water systems with a combined service population of 34,989 people, and has 48 EPA Safe Drinking Water Act violations on record. Critically, 16 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Opelousas's violation count is 50% below the national average for Louisiana. Contaminants associated with violations include Chlorine Dioxide.

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

Water Systems Serving Opelousas

System Name PWSID Source Population Violations
CITY OF OPELOUSAS WATER SYSTEM LA1097010 Groundwater 20,388 33
LEWISBURG BELLEVUE WATER SYSTEM LA1097006 Groundwater 8,226 5
PLAISANCE WATER SYSTEM LA1097012 Groundwater 6,375 10

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 Louisiana

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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 LA