Tapcensus

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.

Health effects: Long-term exposure is associated with increased bladder cancer risk. Some studies link high TTHM exposure to adverse reproductive outcomes. Bromodichloromethane is classified as a possible human carcinogen.

Systems with a TTHM (Total Trihalomethanes) violation

Latest quarter first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
Casita Bella
13802 N. 21st Street · Hillsborough County
32 6 3
Hwy 19 South Water System
Palatka · Putnam County
32 6 2
Lake Marian Resort
Kenansville · Osceola County
32 5 2
Southern Gardens Citrus
Clewiston · Hendry County
31 1 0
Everglades Holiday Park
Ft Lauderdale · Broward County
30 5 3
Fort Drum Service Plaza
Okeechobee · Okeechobee County
30 5 1
Fumch-Madison Youth Ranch
Pinetta · Madison County
30 5 2
Oak Hill MHP
Dade City · Pasco County
30 3 1
Peace River Electric-Operation
Wauchula · Hardee County
30 2 1
Cmc Steel Jax Shredder
Baldwin · Duval County
27 4 1
Airglades Industrial Park Wtp
Clewiston · Hendry County
26 3 1
Boys ; Girls Club of Ncfl
Greenville · Taylor County
25 1 0
Cabot Citrus Farms
Brooksville · Hernando County
25 5 2
Citrus Park Apartments
Inverness · Citrus County
25 5 1
Lansing Smith Electric Generating Plant
Southport · Bay County
25 2 1
Seminole Electric Combined-Cycle (sccf)
Palatka · Putnam County
25 1 0
Silver Star MHP
Lutz · Hillsborough County
25 3 0
Springhorn Water
Crystal River · Citrus County
25 5 1
Sr-6 / I-75 Hamilton County Wtp
Jennings · Hamilton County
25 4 1
Sunbelt Rentals
Jacksonville · Duval County
25 1 0
Tampa Bay Water/lake Bridge
Land O' Lakes · Pasco County
25 2 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.