SESSION WATCH
Died SENATE · SESSION 2026

No. SB 1654

Cooling Towers
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SPONSOR
Simon
FILED BY
Corey Simon — District 3, Republican [search donations]
EFFECTIVE
7/1/2026
DIED IN
Health Policy

Filed under Healthcare.

PROVIDED SUMMARY

Cooling Towers; Requiring owners of cooling towers to register their cooling tower, domestic water tank, or supplemental disinfection water system with the Department of Health; requiring owners of cooling towers, domestic water holding tanks, or supplemental disinfection systems to report, beginning on a specified date, specified information to the department; requiring owners of cooling towers to provide notification to the county health department and the public within a specified timeframe under specified circumstances; requiring that persons conducting disinfections possess certain qualifications, etc.

Full bill text →

Plain English Summary

AI-GENERATED
Forces cooling tower owners to register, test, and treat for Legionella.

Cooling tower, water tank, and supplemental disinfection system owners must register with the Department of Health before operating, then report testing and maintenance data every 90 days starting July 2027.

Owners must maintain a written maintenance plan, sample for bacteria every 28 days, sample for Legionella monthly, and take specific escalating actions whenever results exceed set thresholds.

If a Legionella test exceeds 1,000 colony-forming units per milliliter, owners must notify the county health department within 24 hours, which then notifies the state and the public.

Inspectors may enter properties to check cooling towers, and owners who skip registration, testing, or certification face civil and criminal penalties, with each day of violation a separate offense.

KEY PROVISIONS
§ 1 Statewide registration required before a cooling tower operates majors. 386.303

AIOwners of cooling towers, domestic water holding tanks, or supplemental disinfection systems must register each unit with the Department of Health through a statewide electronic system before initial operation, and again whenever ownership changes, providing the building address, owner contact details, and equipment specifications.

“the owner of a cooling tower shall register its cooling towers, domestic water tanks, or supplemental disinfection water systems with the department” bill text, line 242 →
§ 2 Owners must report tower data every 90 days starting 2027 majors. 386.303

AIBeginning July 1, 2027, registered owners must file reports at least every 90 days through the statewide system, covering recent bacteria and Legionella test results, inspection dates, water efficiency figures, and certification dates.

“shall report through the statewide electronic system all of the following information to the department at least every 90 days” bill text, line 272 →
§ 3 Written maintenance plan and testing schedule required majors. 386.304

AIEvery cooling tower owner must adopt a written maintenance plan meeting an industry standard, sample for bacteria at least every 28 days, sample for Legionella at startup and monthly thereafter, and immediately retest after equipment failures lasting more than 72 hours.

“By September 1, 2027, develop or update a maintenance program and plan for each existing cooling tower” bill text, line 336 →
§ 4 County and public notification required above 1,000 CFU/mL majors. 386.306

AIA Legionella result above 1,000 colony-forming units per milliliter requires the owner to notify the county health department within 24 hours; the county must then alert the state department within 24 hours, and the public is notified as the county or state directs.

“Notify the county health department within 24 hours after receiving a Legionella water sample culture result that exceeds 1,000 colony-forming units per milliliter” bill text, line 485 →
§ 5 Noncompliance is a nuisance carrying civil and criminal penalties majors. 386.309

AIFailing to register, maintain a plan, certify annually, disinfect, sample, or inspect a cooling tower as required can be treated as a nuisance, and violators face civil and criminal penalties, with each day of noncompliance counted as a separate offense.

“An owner who violates this part is subject to civil and criminal penalties as provided in s. 386.051” bill text, line 613 →
§ 6 Escalating remediation required as bacteria or Legionella levels rise moderates. 386.305

AITest results are sorted into severity levels that trigger specific mandatory responses, from routine monitoring at the lowest level up to immediate biocide treatment, cleaning, and retesting within days once Legionella or bacteria counts are high enough.

“perform remediation of the tower by hyperhalogenating, cleaning, and flushing the tower” bill text, line 440 →
§ 7 Only certified applicators may disinfect a cooling tower moderates. 386.307

AIDisinfecting a cooling tower may only be done by a state-certified pesticide applicator, or an apprentice under an applicator's direct supervision, using only biocide products registered with the Department of Environmental Protection or the EPA.

“A person who disinfects a cooling tower must be a commercial applicator or a certified applicator” bill text, line 497 →
TIMELINE
3/13/2026
Died in Health Policy
1/22/2026
Introduced
1/16/2026
Referred to Health Policy; Appropriations Committee on Health and...
1/9/2026
Filed
STATUTES IT CHANGES
s. 386.301
+0 / −0
s. 386.3101
+0 / −0
s. 386.301
+40 / −0
s. 386.302
+1075 / −0
s. 386.303
+659 / −0
s. 386.304
+502 / −0