Tapcensus

Total Haloacetic Acids (HAA5) violations in Minnesota

11 active public water systems in Minnesota had a Total Haloacetic Acids (HAA5) violation in the past three years, 2 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
Sartell
Stearns County
20,300 1 0
Eveleth
St. Louis County
3,770 2 0
Vineland
County
4,220 1 0
Ely
St. Louis County
3,258 3 0
New London
Kandiyohi County
1,319 1 0
Grand Portage
County
820 13 3
Alden
Freeborn County
661 3 1
Laprairie
Itasca County
653 1 0
Vermilion
County
450 5 1
Blomkest
Kandiyohi County
161 4 2
Brook Park
Pine County
133 3 1
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 Minnesota 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.