What contaminants are in Tampa tap water?

Public data sources identify the following contaminants in Tampa's water supply: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Chromium-6 (Hexavalent), Nitrate, Radium-228. Levels and comparison to EWG health guidelines are listed on the full city page.

Which water utility serves Tampa?

Tampa is served by Tampa Water Utilities and 1 other water systems. Tampa Water Utilities serves approximately 399,000 residents.

Tap Water Quality Report

Tap water quality in Tampa, Florida

Q: Is the tap water in Tampa, Florida safe to drink?

Tampa's tap water receives a grade of C (72/100) from TapWaterSafety.org. The most significant water quality concerns are: Haloacetic Acids (HAA5) significantly above health guideline, Chromium-6 detected, Total Trihalomethanes (TTHMs) significantly above health guideline, Radium-228 detected. Grades are based on EPA SDWIS, EPA ECHO, EWG Tap Water Database, and the utility's published Consumer Confidence Report.

Served by 2 public water systems. 1,084,000 residents.

Average score 72/100

Utilities 2

Population 1,084,000

72/100

Average

ⓘ How did we get this rating?

Quick answer

Tap water in Tampa, Florida receives a grade of C (72/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily Tampa Water Utilities. The most significant water quality concerns are: Haloacetic Acids (HAA5) significantly above health guideline; Chromium-6 detected; Total Trihalomethanes (TTHMs) significantly above health guideline; Radium-228 detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database, and Tampa's published Consumer Confidence Report.

Data sources for this grade: utilities.csv ⓘ How did we get this rating?

⚠ Sample data notice: Some or all data on this page is illustrative sample data, not live measurements. See our disclaimer and data sources.

What's in Tampa's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving Tampa.

Haloacetic Acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic Acids (HAA5) detected at 18.9 ppb, 189x above the EWG health guideline of 0.1 ppb.

Chromium-6 detected

Moderate concern

Chromium-6 detected at 0.32 ppb.

Total Trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total Trihalomethanes (TTHMs) detected at 52.0 ppb, 87x above the EWG health guideline of 0.6 ppb.

Radium-228 detected

Moderate concern

Radium-228 detected at 0.18 pCi/L.

Water systems serving Tampa

Tampa is served by 2 public water systems. Click any utility to see its complete grade card and treatment plant contact info.

76/100

Tampa Water Utilities

Serves 399,000 residents

Haloacetic Acids (HAA5) significantly above health guideline
Chromium-6 detected

View full grade card →

68/100

City of Tampa Water Department

Serves 685,000 residents

Haloacetic Acids (HAA5) significantly above health guideline
Total Trihalomethanes (TTHMs) significantly above health guideline
Chromium-6 detected

View full grade card →

Recommended filters for Tampa

Filters matched to the specific contaminants in Tampa's water supply.

Carbon block (NSF/ANSI 42 + 53)

$40-$750

Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.

Clearly Filtered Pitcher Filter

$80-$95 NSF 42, 53, 401, P473

Editorial pick · affiliate link coming soon

Aquasana AQ-5300 Under-Sink Filter

$180-$240 NSF 42, 53, 401

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Waterdrop Chubby 10-Cup Pitcher

$40-$55 NSF 42, 372

View on retailer →

Waterdrop G3P800 Tankless RO

$600-$750 NSF 58, 372

View on retailer →

Reverse Osmosis

$249-$750

Chromium-6 requires reverse osmosis for reliable removal. Standard carbon filters do not address it.

AquaTru Countertop Reverse Osmosis

$449-$599 NSF 42, 53, 58, 401, P473

Editorial pick · affiliate link coming soon

Aquasana OptimH2O Reverse Osmosis + Claryum

$429-$549 NSF 42, 53, 58, 401, P473

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Waterdrop G3P800 Tankless RO

$600-$750 NSF 58, 372

View on retailer →

Waterdrop N1 Countertop RO

$249-$329 NSF 58, 372

View on retailer →

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

All contaminants detected in Tampa's tap water

Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →

Contaminant	Detected	EWG US health-based	EPA US legal	EU DWD Europe	WHO global	CA PHG strictest US	Tested sample year	Status
Haloacetic Acids (HAA5) Disinfection byproduct	41.0 ppb	0.1	60	60	—	—	2024	410× over
Total Trihalomethanes (TTHMs) Disinfection byproduct	52.0 ppb	0.6	80	100	—	—	2024	87× over
Chromium-6 (Hexavalent) Heavy metal	0.335 ppb	0.02	—	—	—	0.02	2022	17× over
Nitrate Inorganic	1.53 mg/L	0.14	10	11.3	11.3	10	2023	11× over
Radium-228 Radiological	0.18 pCi/L	0.019	5	—	0.1	0.019	2023	9.5× over

Contaminant	Detected (2024)	EWG	EPA	EU DWD	WHO	CA PHG	Status
Haloacetic Acids (HAA5) Disinfection byproduct	41.0 ppb	0.1	60	60	—	—	410× over
Total Trihalomethanes (TTHMs) Disinfection byproduct	52.0 ppb	0.6	80	100	—	—	87× over

Contaminant	Detected (2023)	EWG	EPA	EU DWD	WHO	CA PHG	Status
Nitrate Inorganic	1.53 mg/L	0.14	10	11.3	11.3	10	11× over
Radium-228 Radiological	0.18 pCi/L	0.019	5	—	0.1	0.019	9.5× over

Contaminant	Detected (2022)	EWG	EPA	EU DWD	WHO	CA PHG	Status
Chromium-6 (Hexavalent) Heavy metal	0.335 ppb	0.02	—	—	—	0.02	17× over

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.