Drinking Water Systems Reported for ZIP 70664
SULPHUR, Louisiana — 2 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
HOUSTON RIVER WATERWORKS DISTRICT 11
PWSID: LA1019119
1 EPA violation record in the five-year period ending June 30, 2026
C
Some recent records
TapScore compliance-history grade
Other Systems Reported for This ZIP
CALCASIEU PARISH WW DIST 9 CARLYSS
14,502 served0 historical records
A