Water Health Check Report

Tampa, FL

City Of Tampa Water Department · Surface water source

Poor

2 above EPA limit
18 above EWG guideline

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EPA · FL6290327UCMR5 PFAS data included733,886 people servedLast updated Dec 2025

EPA SDWIS · December 2025State monitoring · November 2024EPA UCMR5 · October 2023

Poor — with 20 concerns

City Of Tampa Water Department has 2 contaminants above EPA legal limits and 18 above EWG health guidelines.

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Lead—source matters

Lead in tap water comes from household plumbing, not the source water or treatment plant. Tampa water leaves the treatment plant lead-free. Risk depends on your building's internal plumbing—highest in homes built before 1986, when lead solder was common. A NSF/ANSI 53 certified pitcher or under-sink filter removes lead at point of use.

Contaminants tested

50 total · 18 above EWG guideline

Contaminant	Category	Level	Status
PFOS (perfluorooctane sulfonate) CAS 1763-23-1	pfas	5.4 ppt	Above EPA limit
PFOA (perfluorooctanoic acid) CAS 335-67-1	pfas	4.5 ppt	Above EPA limit
Haloacetic acids (HAA5) CAS Various	disinfection byproduct	32.5 ppb	Above guideline
Total trihalomethanes (TTHMs) CAS Various	disinfection byproduct	35.3 ppb	Above guideline
Bromodichloromethane CAS 75-27-4	disinfection byproduct	13.9 ppb	Above guideline
Dichloroacetic acid (DCA) CAS 79-43-6	disinfection byproduct	25.0 ppb	Above guideline
Bromate CAS 15541-45-4	disinfection byproduct	8.2 ppb	Above guideline
Chloroform (trichloromethane) CAS 67-66-3	disinfection byproduct	16.1 ppb	Above guideline
Trichloroacetic acid (TCA) CAS 76-03-9	disinfection byproduct	1.9 ppb	Above guideline
Dibromochloromethane CAS 124-48-1	disinfection byproduct	7.1 ppb	Above guideline
Dibromoacetic acid (DBAA) CAS 631-64-1	disinfection byproduct	3.6 ppb	Above guideline
Monochloroacetic acid (MCAA) CAS 79-11-8	disinfection byproduct	5.1 ppb	Above guideline
Monobromoacetic acid (MBAA) CAS 79-08-3	disinfection byproduct	2.5 ppb	Above guideline
PFHxS (perfluorohexane sulfonic acid) CAS 355-46-4	pfas	3.9 ppt	Above guideline
PFHpA (perfluoroheptanoic acid) CAS 375-85-9	pfas	3.9 ppt	Above guideline
PFBA (perfluorobutanoic acid) CAS 375-22-4	pfas	6.1 ppt	Above guideline
PFPeA (perfluoropentanoic acid) CAS 2706-90-3	pfas	6.5 ppt	Above guideline
Nitrate CAS 14797-55-8	nitrate	0.30 ppm	Above guideline
PFHxA (perfluorohexanoic acid) CAS 307-24-4	pfas	5.0 ppt	Above guideline
Lead CAS 7439-92-1	heavy metal	1.5 ppb	Above guideline
PFBS (perfluorobutane sulfonic acid) CAS 375-73-5	pfas	4.4 ppt	Within limits
Bromoform (tribromomethane) CAS 75-25-2	disinfection byproduct	2.9 ppb	Within limits
Turbidity	microbial	0.09 NTU	Within limits
Fluoride CAS 16984-48-8	mineral	0.62 ppm	Within limits
Barium CAS 7440-39-3	mineral	0.01 ppm	Within limits
Benzene CAS 71-43-2	industrial	ND	Not detected
Tetrachloroethylene (PCE) CAS 127-18-4	industrial	ND	Not detected
Mercury (inorganic) CAS 7439-97-6	heavy metal	ND	Not detected
Nitrite CAS 14797-65-0	nitrate	ND	Not detected
Arsenic CAS 7440-38-2	heavy metal	ND	Not detected
Trichloroethylene (TCE) CAS 79-01-6	industrial	ND	Not detected
Selenium CAS 7782-49-2	other	ND	Not detected
4:2 FTS (4:2 fluorotelomer sulfonic acid) CAS 757124-72-4	pfas	ND	Not detected
PFTA (perfluorotetradecanoic acid) CAS 376-06-7	pfas	ND	Not detected
PFTrDA (perfluorotridecanoic acid) CAS 72629-94-8	pfas	ND	Not detected
NEtFOSAA (N-ethyl perfluorooctane sulfonamido acetic acid) CAS 2991-50-6	pfas	ND	Not detected
NMeFOSAA (N-methyl perfluorooctane sulfonamido acetic acid) CAS 2355-31-9	pfas	ND	Not detected
PFHpS (perfluoroheptane sulfonic acid) CAS 375-92-8	pfas	ND	Not detected
8:2 FTS (8:2 fluorotelomer sulfonic acid) CAS 39108-34-4	pfas	ND	Not detected
PFNA (perfluorononanoic acid) CAS 375-95-1	pfas	ND	Not detected
PFDoA (perfluorododecanoic acid) CAS 307-55-1	pfas	ND	Not detected
PFUnA (perfluoroundecanoic acid) CAS 2058-94-8	pfas	ND	Not detected
11Cl-PF3OUdS (11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid) CAS 763051-92-9	pfas	ND	Not detected
6:2 FTS (6:2 fluorotelomer sulfonic acid) CAS 27619-97-2	pfas	ND	Not detected
PFPeS (perfluoropentane sulfonic acid) CAS 2706-91-4	pfas	ND	Not detected
Lithium CAS 7439-93-2	mineral	ND	Not detected
PFDA (perfluorodecanoic acid) CAS 335-76-2	pfas	ND	Not detected
9Cl-PF3ONS (9-chlorohexadecafluoro-3-oxanone-1-sulfonic acid) CAS 756426-58-1	pfas	ND	Not detected
HFPO-DA / GenX (hexafluoropropylene oxide dimer acid) CAS 13252-13-6	pfas	ND	Not detected
ADONA (4,8-dioxa-3H-perfluorononanoic acid) CAS 919005-14-4	pfas	ND	Not detected

LegendWithin limitsAbove EWG guidelineAbove EPA limitNot detectedSource: EPA SDWIS · UCMR5 · EWG Health Guidelines

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Data sources

EPA UCMR5 (PFAS + lithium)·October 2023·One-time programme 2023–2025

State monitoring data·November 2024·Updated monthly

EPA SDWIS compliance data·December 2025·Annual reporting cycle

Status flags compare detected levels against both EPA legal limits and EWG health-based guidelines—which are stricter and science-derived, independent of political feasibility.

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