Jefferson Parish County, Louisiana Water Systems
Jefferson Parish County, Louisiana
5 community water systems on record — 4 active, 1 inactive.
Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Louisiana’s official records. Always confirm current status with Louisiana before making decisions based on this information.
Community water systems in Jefferson Parish County, Louisiana
- E JEFFERSON WW DISTRICT 1JEFFERSON · 275,163 servedActive
- GRAND ISLE WATER SYSTEMGRAND ISLE · 2,450 servedInactive
- GRETNA WATERWORKSGRETNA · 17,026 servedActive
- W JEFFERSON WW DISTRICT 2JEFFERSON · 140,264 servedActive
- WESTWEGO WATERWORKSWESTWEGO · 8,534 servedActive
| System name | City | Population served | Status |
|---|---|---|---|
| E JEFFERSON WW DISTRICT 1 | JEFFERSON | 275,163 | Active |
| GRAND ISLE WATER SYSTEM | GRAND ISLE | 2,450 | Inactive |
| GRETNA WATERWORKS | GRETNA | 17,026 | Active |
| W JEFFERSON WW DISTRICT 2 | JEFFERSON | 140,264 | Active |
| WESTWEGO WATERWORKS | WESTWEGO | 8,534 | Active |