COUNTY WATER-SYSTEM LEDGER
Jefferson Davis Parish, Louisiana
EPA’s September 2026 export lists 6 active community water systems serving Jefferson Davis Parish, Louisiana, with 2 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 Jefferson Davis Parish, Louisiana
EPA associates 6 covered systems with Jefferson Davis Parish, Louisiana; their reported population-served values total 36,537 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 |
|---|---|---|---|
| City Of Jennings Water SystemLA1053003 | 9,837 | Ground water | Current health-based flag |
| Jeff Davis Water And Sewer Commission 1LA1053014 | 9,780 | Ground water | Current monitoring/reporting flag |
| Jeff Davis Central Waterworks DistrictLA1053012 | 5,709 | Ground water | No current violation flagged |
| Town Of Welsh Water SystemLA1053006 | 4,311 | Ground water | No current violation flagged |
| Jeff Davis Water District 4LA1053013 | 4,194 | Ground water | No current violation flagged |
| Town Of Lake Arthur Water SystemLA1053005 | 2,706 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Jefferson Davis Parish, Louisiana
EPA classifies 6 systems serving Jefferson Davis Parish, Louisiana across 1 primary-source categories; Ground water is the largest category with 6 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.