EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

St. John the Baptist Parish, Louisiana

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems3active CWS · pop. 2,500+
Population served46,151reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving St. John the Baptist Parish

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
St John Water District 3LA109500731,965Ground waterNo current violation flagged
St John Water District 1LA109500310,484Surface waterNo current violation flagged
St John Water District 2LA10950023,702Surface waterNo current violation flagged

02 / SOURCE MIX

Ground water1 systems · 31,965 served
Surface water2 systems · 14,186 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.