Water Quality: Plain Dealing, LA

2 water systems • 2,640 people served

Multiple Health Violations
252
Total Violations
184
Health-Based Violations
2
Water Systems
2,640
Population Served

Water Quality Summary

Plain Dealing is served by 2 public water systems with a combined service population of 2,640 people, and has 252 EPA Safe Drinking Water Act violations on record. Critically, 184 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Plain Dealing's violation count is 161% above the national average for Louisiana. Contaminants associated with violations include Chlorine Dioxide, E. coli, Stage 2 DBP, TTHM, Total Haloacetic Acids (HAA5).

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)

Stage 2 DBP

Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.

Common source: Chlorine disinfection reacting with natural organic matter in source water

EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L

TTHM

Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.

Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water

EPA limit: 0.080 mg/L (80 ppb)

Total Haloacetic Acids (HAA5)

Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.

Common source: Reaction of chlorine disinfectants with organic matter in treated water

EPA limit: 0.060 mg/L (60 ppb)

Water Systems Serving Plain Dealing

System Name PWSID Source Population Violations
TOWN OF PLAIN DEALING WATER SYSTEM LA1015016 Groundwater 2,346 208
ST MARYS WATER SYSTEM LA1015023 Groundwater 294 44

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

View all cities in Louisiana →

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