Water Quality: Lake Charles, LA
17 water systems • 120,200 people served
Multiple Health ViolationsWater Quality Summary
Lake Charles is served by 17 public water systems with a combined service population of 120,200 people, and has 286 EPA Safe Drinking Water Act violations on record. Critically, 25 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Lake Charles's violation count is 196% above the national average for Louisiana. Contaminants associated with violations include Chlorine Dioxide, E. coli, Stage 2 DBP.
Contaminants Found
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
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)
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
Water Systems Serving Lake Charles
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF LAKE CHARLES WATER SYSTEM | LA1019029 | Groundwater | 79,500 | 0 |
| CALCASIEU PARISH WW DISTRICT NO 1 | LA1019051 | Groundwater | 20,837 | 0 |
| CALCASIEU PARISH WW DISTRICT 8 | LA1019118 | Groundwater | 6,834 | 5 |
| CALCASIEU PARISH WW DISTRICT NO 5 | LA1019084 | Groundwater | 5,388 | 6 |
| GULF STREAM MANOR WATER SYSTEM | LA1019123 | Groundwater | 2,130 | 95 |
| CALCASIEU PARISH WW 12 WARD 3 | LA1019126 | Groundwater | 2,130 | 2 |
| QUAIL RIDGE ESTATES WATER SYSTEM | LA1019105 | Groundwater | 1,119 | 7 |
| MOSSVILLE WW DISTRICT NO 2 | LA1019052 | Groundwater | 660 | 8 |
| GARDEN HEIGHTS WATER SYSTEM | LA1019018 | Groundwater | 465 | 2 |
| OAK MEADOWS SUBDIVISION WATER SYSTEM | LA1019076 | Groundwater | 318 | 2 |
| OAK PINE MOBILE HOME PARK WATER SYSTEM | LA1019112 | Groundwater | 240 | 9 |
| C K B TRAILER PARK WATER SYSTEM | LA1019059 | Groundwater | 150 | 35 |
| CLEARVIEW MOBILE HOME PARK | LA1019122 | Groundwater | 141 | 96 |
| EAST PARK SUBDIVISION WATER SYSTEM | LA1019079 | Groundwater | 102 | 4 |
| CORBINA TRAILER PARK WATER SYSTEM | LA1019124 | Groundwater | 69 | 13 |
| K & P MH & RV PARK WATER SYSTEM | LA1019127 | Groundwater | 66 | 0 |
| COUNTRY LIVING TRAILER PARK WATER SYSTEM | LA1019102 | Groundwater | 51 | 2 |
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
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.