Water Quality: Sulphur, LA

3 water systems • 45,906 people served

Multiple Health Violations
40
Total Violations
6
Health-Based Violations
3
Water Systems
45,906
Population Served

Water Quality Summary

Sulphur is served by 3 public water systems with a combined service population of 45,906 people, and has 40 EPA Safe Drinking Water Act violations on record. Critically, 6 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Sulphur's violation count is 59% 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 Sulphur

System Name PWSID Source Population Violations
SULPHUR CITY OF WATER SYSTEM LA1019044 Groundwater 24,489 24
CALCASIEU PARISH WW DIST 9 CARLYSS LA1019116 Groundwater 14,502 13
HOUSTON RIVER WATERWORKS DISTRICT 11 LA1019119 Groundwater 6,915 3

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