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Tap Water Quality Report

Tap water quality in CLEARWATER, Florida

Served by 2 public water systems. 621,353 residents.

Average score 72/100
Utilities 2
Population 621,353
Quick answer

Tap water in CLEARWATER, Florida receives a grade of C (72/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily PINELLAS COUNTY UTILITIES. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Arsenic detected; Arsenic significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

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

What's in CLEARWATER's tap water

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

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 29.1 ppb, 486x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 41.6 ppb, 277x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 25.9 ppb, 259x above the EWG health guideline of 0.1 ppb.

Arsenic detected

Moderate concern

Arsenic detected at 0.4 ppb.

Arsenic significantly above health guideline

Moderate concern

Arsenic detected at 3.01 ppb, 753x above the EWG health guideline of 0.004 ppb.

EPA compliance record

Official U.S. EPA records for PINELLAS COUNTY UTILITIES (system ID FL6521405) for the last 3 years. Checked 2026-10-07.

EPA lists this system as a serious violator. It has unresolved violations that EPA considers a priority for enforcement.
12 of 12quarters with a violation
Nolead above EPA action level
03/21/2023last state inspection
RuleTypeSinceStatus
Revised Total Coliform Rule Missed testing 12/01/2023 Open
Stage 2 Disinfectants and Disinfection Byproducts Rule Missed testing or reporting 07/01/2024 Open
Nitrate Rule Missed testing or reporting 01/01/2024 Open
Lead and Copper Rule Missed testing or reporting 01/01/2022 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Recommended filters for CLEARWATER

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

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

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 CLEARWATER'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
Arsenic
Heavy metal
3.01 ppb 0.004 10.0 10 10 0.004 — 753× over
Haloacetic acids (HAA9)
Disinfection byproduct
33.4 ppb 0.06 — — — — — 556× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
51.5 ppb 0.15 80.0 100 — — — 344× over
Haloacetic acids (HAA5)
Disinfection byproduct
25.9 ppb 0.1 60.0 60 — — — 259× over
Radium, combined (-226 and -228)
Radiological
1.7 pCi/L 0.05 5.0 — — — — 34× over
Chromium (hexavalent)
Heavy metal
0.0713 ppb 0.02 — — — — — 3.6× over
Chlorate
Disinfection byproduct
542.5 ppb 210.0 — — — — — 2.6× over
Nitrate
Inorganic
0.282 ppm 0.14 10.0 11.3 11.3 10 — 2.0× over
Benzo[a]pyrene
Other
0.00373 ppb 0.007 0.2 — — — — Below guideline
Uranium
Radiological
0.15 pCi/L 0.43 20.0 30 30 0.43 — Below guideline
Di(2-ethylhexyl) phthalate
Semi-volatile organic compound
0.168 ppb 3.0 6.0 — — — — Below guideline
Manganese
Heavy metal
4.98 ppb 100.0 — 50 80 — — Below guideline
Aluminum
Heavy metal
17.9 ppb 600.0 — 200 — 600 — Below guideline
Molybdenum
Other
1.18 ppb 40.0 — — — — — Below guideline
Mercury (inorganic)*
Heavy metal
0.0333 ppb 1.2 2.0 1 6 1.2 — Below guideline
Mercury (inorganic)
Heavy metal
0.0333 ppb 1.2 2.0 1 6 1.2 — Below guideline
Vanadium
Other
0.484 ppb 21.0 — — — — — Below guideline
Barium
Heavy metal
13.8 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
3.23 ppt 1000.0 — — — — — Below guideline
Strontium
Radiological
0.348 ppb 1500.0 — — — — — Below guideline
Bromomethane
Other
0.022 ppb — — — — — — Below guideline
Chromium (total)*
Heavy metal
2.43 ppb — 100.0 — — — — Below guideline
Fluoride
Inorganic
0.683 ppm — 4.0 1.5 1.5 — — Below guideline
Nitrite
Inorganic
0.0637 ppm — 1.0 — — — — Below guideline
Chromium (total)
Heavy metal
2.43 ppb — 100.0 — — — — Below guideline

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.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from PINELLAS COUNTY UTILITIES.

General Contact

Address6730 142ND AVE NORTH, LARGO, FL 33771
Main phone727-582-2300

Treatment Plant

FacilityPINELLAS COUNTY KELLER 1

ZIP codes served

CLEARWATER's public water systems serve the following ZIP codes: