TTHM (Total Trihalomethanes) violations in Florida
471 active public water systems in Florida had a TTHM (Total Trihalomethanes) violation in the past three years, 6 of them in the latest quarter of EPA's data. What TTHM (Total Trihalomethanes) is and why it matters.
Systems with a TTHM (Total Trihalomethanes) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
St. Leo University St Leo · Pasco County |
2,501 | 5 | 0 | |
|
Americana Village Miami · Miami-Dade County |
2,500 | 6 | 1 | |
|
Rolling Greens Village Ocala · Marion County |
2,498 | 6 | 2 | |
|
Lake Hamilton, Town of Lake Hamilton · Polk County |
2,430 | 4 | 0 | |
|
Williston Wtp Williston · Levy County |
2,400 | 1 | 0 | |
|
Indian River Estates Fort Pierce · St. Lucie County |
2,365 | 4 | 1 | |
|
Spanish Lakes Country Club Village Fort Pierce · St. Lucie County |
2,331 | 6 | 1 | |
|
Zolfo Springs Wtp Zolfo Springs · Hardee County |
2,062 | 5 | 1 | |
|
City of Chiefland Wtp Chiefland · Levy County |
2,031 | 3 | 0 | |
|
Howey in the Hills (2 Wps) Howey In The Hills · Lake County |
2,027 | 3 | 1 | |
|
San Antonio Water Dept-City of San Antonio · Pasco County |
2,015 | 4 | 0 | |
|
Sumter Correctional Institution Bushnell · Sumter County |
2,008 | 3 | 1 | |
|
Crescent City Wtp Crescent City · Putnam County |
1,900 | 2 | 0 | |
|
Hardee Correctional Institute Bowling Green · Hardee County |
1,900 | 6 | 1 | |
|
Hawthorne at Leesburg Leesburg · Lake County |
1,883 | 2 | 0 | |
|
Lake Butler Wtp Lake Butler · Union County |
1,875 | 5 | 1 | |
|
Colonial Manor Water System New Port Richey · Pasco County |
1,794 | 3 | 0 | |
|
Baldwin Water System Baldwin · Duval County |
1,790 | 1 | 0 | |
|
Camelot Lakes Sarasota · Sarasota County |
1,700 | 3 | 2 | |
|
Okeechobee Correctional Inst Okeechobee · Okeechobee County |
1,700 | 5 | 4 | |
|
Town of Inglis Inglis · Levy County |
1,630 | 3 | 1 | |
|
Cypress Cove Foxwood Land O' Lakes · Pasco County |
1,588 | 3 | 0 | |
|
Harbour Ridge Palm City · St. Lucie County |
1,573 | 7 | 2 | |
|
Camp Inn Associates, LLC Frostproof · Polk County |
1,500 | 3 | 0 | |
|
East Putnam Regional East Palatka · Putnam County |
1,500 | 5 | 1 | |
|
Midway-Canaan Water Association (consec) Sanford · Seminole County |
1,500 | 2 | 1 | |
|
Redland Middle School Homestead · Miami-Dade County |
1,481 | 2 | 1 | |
|
Innisbrook Resort and Golf Club Palm Harbor · Pinellas County |
1,400 | 3 | 1 | |
|
Mayo Correctional Institution Mayo · Lafayette County |
1,400 | 5 | 2 | |
|
Travelers Rest Resort INC San Antonio · Pasco County |
1,400 | 6 | 0 | |
|
Rock Springs MHP Apopka · Orange County |
1,338 | 5 | 2 | |
|
Little Gasparilla Water Utility INC Placida · Charlotte County |
1,330 | 3 | 2 | |
|
Taylor Coastal Water ; Sewer District Perry · Taylor County |
1,310 | 2 | 0 | |
|
Hosford, Town of Water System Bristol · Liberty County |
1,272 | 1 | 0 | |
|
Timber Lake Estates Zephyrhills · Pasco County |
1,225 | 5 | 1 | |
|
Crestridge Utilities Holiday · Pasco County |
1,209 | 5 | 0 | |
|
Port of the Islands Naples · Collier County |
1,200 | 7 | 2 | |
|
Paradise Lakes Lutz · Pasco County |
1,173 | 5 | 1 | |
|
Sailfish Point Stuart · Martin County |
1,145 | 5 | 1 | |
|
Bronson Wtp Bronson · Levy County |
1,125 | 4 | 1 | |
|
Grove , the Ft. Pierce · St. Lucie County |
1,125 | 6 | 2 | |
|
City of Lawtey Wtp Lawtey · Bradford County |
1,082 | 4 | 1 | |
|
Bocilla Utilities, Inc. Englewood · Charlotte County |
1,068 | 2 | 0 | |
|
Ocala Heights S/d Ocala · Marion County |
1,045 | 4 | 1 | |
|
Georgia Pacific Paper Mill Palatka · Putnam County |
1,001 | 1 | 0 | |
|
Davie (hacienda Village) Davie · Broward County |
1,000 | 4 | 2 | |
|
Old Bridge Village Mobile Home Park North Fort Myers · Lee County |
1,000 | 3 | 1 | |
|
Rpuma Crescent City · Putnam County |
1,000 | 6 | 2 | |
|
South Shore Falls South Master Meter #1 Apollo Beach · Hillsborough County |
995 | 2 | 0 | |
|
Ocklawaha Water Works (2 Wtps) Ocklawaha · Marion County |
965 | 1 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved TTHM (Total Trihalomethanes), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not TTHM (Total Trihalomethanes) 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 Florida 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.