All water systems in Louisiana
1,216 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
ST Tam Parish Alton St. Tammany County |
499 | 1 | 1 | |
|
Thirstys Drive Thru Webster County |
499 | 0 | 0 | |
|
Halfway-Carroll Water System Red River County |
498 | 0 | 0 | |
|
Jamestown Fryeburg Water System Bienville County |
495 | 0 | 0 | |
|
Rogers Community Water System INC LaSalle County |
495 | 0 | 0 | |
|
Village of Ida Water System Caddo County |
495 | 1 | 0 | |
|
Village of Athens Water System Claiborne County |
486 | 0 | 0 | |
|
Georgia-Pacific Corporation East Baton Rouge County |
484 | 1 | 0 | |
|
Magnolia-Garden Heights Subdivision WS Lafayette County |
483 | 2 | 0 | |
|
Ascension Christian School Ascension County |
480 | 0 | 0 | |
|
Jubilee RV Park St. Tammany County |
480 | 2 | 1 | |
|
Magnolia-Oaklawn Trace St. Tammany County |
480 | 2 | 0 | |
|
ST Tam Parish Northlake Behavioral St. Tammany County |
480 | 1 | 1 | |
|
Village of Hodge Water System Jackson County |
479 | 1 | 1 | |
|
Joyce Water Supply Winn County |
474 | 1 | 0 | |
|
Carter Plantation Livingston County |
472 | 0 | 0 | |
|
Magnolia-Markridge Park Subdivision Lafayette County |
468 | 0 | 0 | |
|
Garden Heights Water System Calcasieu County |
465 | 0 | 0 | |
|
Ward Nine Water System Claiborne County |
465 | 1 | 0 | |
|
Magnolia-Beau Parterre Lafayette County |
462 | 0 | 0 | |
|
Union Grove Water System Webster County |
456 | 4 | 2 | |
|
East Cross Water System Red River County |
453 | 4 | 1 | |
|
Diversion Water Bayou Estates Ascension County |
450 | 0 | 0 | |
|
Exxonmobil Product Solutions-Plastics East Baton Rouge County |
450 | 0 | 0 | |
|
Irish Bayou Travel Center Orleans County |
450 | 0 | 0 | |
|
Serenity Ponds RV Resort Water System Calcasieu County |
450 | 1 | 0 | |
|
Village of Saline Water System Bienville County |
450 | 4 | 1 | |
|
Magnolia-Spring Creek Subdivision Jackson County |
444 | 3 | 1 | |
|
Smith Mobile Home Village Water System Calcasieu County |
444 | 3 | 2 | |
|
Exxonmobil Baton Rouge Polymer East Baton Rouge County |
440 | 1 | 1 | |
|
Hidden Oaks Subdivision WS Ouachita County |
438 | 0 | 0 | |
|
Bear Creek Water System Jackson County |
435 | 2 | 2 | |
|
Village of Castor Water System Bienville County |
435 | 0 | 0 | |
|
Chee Chee Bay Water System Natchitoches County |
429 | 0 | 0 | |
|
Village of North Hodge Water System Jackson County |
429 | 2 | 1 | |
|
Lpwdn Holiday Mobile Estates WS Lafayette County |
426 | 0 | 0 | |
|
Northwest Waterworks Lakewood Village Caddo County |
423 | 1 | 1 | |
|
Magnolia-Bleu Lake Hills St. Tammany County |
420 | 1 | 0 | |
|
Oak Villa Mobile Home Community St. Tammany County |
420 | 3 | 3 | |
|
Walker Community System Jackson County |
417 | 1 | 0 | |
|
Village Guthrie Subdivision St. Tammany County |
405 | 1 | 1 | |
|
Abita Event Center St. Tammany County |
400 | 0 | 0 | |
|
Downtown Koran Store Water System Bossier County |
400 | 2 | 2 | |
|
Evans School Vernon County |
400 | 3 | 3 | |
|
Fat Spoon Cafe #2 St. Tammany County |
400 | 0 | 0 | |
|
Port of West ST Mary St. Mary County |
400 | 2 | 1 | |
|
Stop N Shop 15 St. Tammany County |
400 | 0 | 0 | |
|
The Sallier MHC Water System Calcasieu County |
400 | 0 | 0 | |
|
Village of Angie Water Supply Washington County |
400 | 3 | 2 | |
|
Chata-Ima Elementary School W S St. Tammany County |
399 | 1 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Louisiana records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.