Tapcensus

Total Haloacetic Acids (HAA5) violations in Louisiana

34 active public water systems in Louisiana had a Total Haloacetic Acids (HAA5) violation in the past three years, 16 of them in the latest quarter of EPA's data. What Total Haloacetic Acids (HAA5) is and why it matters.

Health effects: Dichloroacetic acid is a probable human carcinogen (Group B2). Long-term exposure to trichloroacetic acid may also increase cancer risk. Animal studies show liver, kidney, and reproductive effects at high doses.

Systems with a Total Haloacetic Acids (HAA5) violation

Latest quarter first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
Port Sulphur Water District
Plaquemines County 		10,308 2 0
Magnolia Town & Country Service
Ouachita County 		5,715 1 0
Fairview Union Water System
Red River County 		2,346 4 0
Town of Oil City Water System
Caddo County 		2,169 3 1
West Winn Water System, INC
Winn County 		1,965 2 0
Ebarb Wwks Dist #1 North Ebarb
Sabine County 		1,761 3 1
Union Parish Waterworks District 1
Union County 		1,626 6 4
Town of Newellton Water System
Tensas County 		1,100 9 5
Bellwood Water System
Natchitoches County 		1,032 1 0
Village of Atlanta Water Supply
Winn County 		900 1 1
Village of Lisbon Water System
Claiborne County 		891 1 0
Village of Tullos Water System
LaSalle County 		792 3 1
Vixen Water System
Caldwell County 		750 5 4
Village of Ridgecrest Water Supply
Concordia County 		684 5 4
Village of Sikes Water System
Winn County 		639 6 3
Springhill Community Water System
Bienville County 		183 2 1
Water & Sewer Commission 4 of ST Mary
St. Mary County 		9,709 1 0
City of Franklin Water Supply
St. Mary County 		8,325 5 2
ST Mary Water & Sewer Comm #3
St. Mary County 		7,828 1 0
Intracoastal Water System West
Iberville County 		6,489 2 0
South Toledo Bend Water District
Sabine County 		5,943 2 0
Town of Vivian Water System
Caddo County 		4,050 1 0
Town of Gramercy Waterworks
St. James County 		2,860 2 0
ST Mary Parish Water Sewerage Comm 1
St. Mary County 		2,823 4 2
Pendleton Water Association
Sabine County 		2,634 6 1
Lake ST John Waterworks District 1
Concordia County 		2,067 2 0
Tannehill Water System
Winn County 		1,932 2 0
Alberta Water System
Bienville County 		1,860 5 1
Hico Water System
Lincoln County 		1,530 4 2
Hagewood Water System
Natchitoches County 		1,017 2 0
Pleasant Hills-Crossroads Water Systems
Winn County 		840 4 0
Bob Community Waterworks
Grant County 		732 1 0
Jones McGinty Water System
Morehouse County 		660 5 3
Spillway Estates Water System
Jackson County 		501 2 0
About this data

A system is counted once if any of its violations in the past three years involved Total Haloacetic Acids (HAA5), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Total Haloacetic Acids (HAA5) alone.

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.