COUNTY WATER-SYSTEM LEDGER
St. John the Baptist Parish, Louisiana
EPA’s September 2026 export lists 3 active community water systems serving St. John the Baptist Parish, Louisiana, with 0 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving St. John the Baptist Parish, Louisiana
EPA associates 3 covered systems with St. John the Baptist Parish, Louisiana; their reported population-served values total 46,151 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| St John Water District 3LA1095007 | 31,965 | Ground water | No current violation flagged |
| St John Water District 1LA1095003 | 10,484 | Surface water | No current violation flagged |
| St John Water District 2LA1095002 | 3,702 | Surface water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for St. John the Baptist Parish, Louisiana
EPA classifies 3 systems serving St. John the Baptist Parish, Louisiana across 2 primary-source categories; Ground water is the largest category with 1 systems.
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.