PlainWater

Community Water System · PWS FL4130604

Hialeah, City Of

Hialeah, Florida 33012 - drinking water served from groundwater sources to 238,000 people, tracked in EPA SDWIS and UCMR5.

238,000
People served
76
EPA violations
0
Health-based
11 PFAS
UCMR5 result

The verdict

EPA records 76 drinking-water violations at Hialeah, City Of - above the Florida per-system average, and UCMR5 testing detected 11 PFAS compounds.

76
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
238,000
People served by this system
11
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hialeah, City Of

Hialeah, City Of is a local-owned community water system that delivers drinking water to 238,000 residents in Hialeah, Florida (Miami-Dade County) through 54,000 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 76 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 65 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is TTHM, recorded in 26 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 11 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 91.1 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Florida, EPA tracks 5,093 public water systems serving 22,381,282 people, with 184,355 cumulative violations and 24,266 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 36.2 violations. Statewide, 218 of 402 UCMR5-tested systems have reported PFAS detections (54.2%).

Hialeah, City Of's 76 violations sit above the Florida average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

11 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
238,000
Total Violations
76
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
54,000
County
Miami-Dade
School/Daycare
No
MCL Violations
0
Monitoring Violations
65
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 26 2024
Total Haloacetic Acids (HAA5) MR 25 2024
Revised Total Coliform Rule MON 7 2024
Lead and Copper Rule MR 4 2020
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2009
Coliform (TCR) MR 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 30 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/20/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 8/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFMBA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/20/2024 14.70 ppt 3.00 ppt Detected
ADONA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/20/2024 36.90 ppt 3.00 ppt Detected
PFBS 8/20/2024 5.10 ppt 3.00 ppt Detected
PFHxS 8/20/2024 6.50 ppt 3.00 ppt Detected
PFNA 8/20/2024 4.30 ppt 4.00 ppt Detected
PFOS 8/20/2024 27.60 ppt 4.00 ppt Detected
PFOA 8/20/2024 10.20 ppt 4.00 ppt Detected
PFDA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/20/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/20/2024 5.50 ppt 5.00 ppt Detected
PFDoA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/20/2024 91.10 ppt 5.00 ppt Detected
HFPO-DA 8/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 8/20/2024 35.20 ppt 3.00 ppt Detected
9Cl-PF3ONS 8/20/2024 <2.00 ppt 2.00 ppt Not Detected
PFUnA 8/20/2024 <2.00 ppt 2.00 ppt Not Detected
PFBA 8/20/2024 17.00 ppt 5.00 ppt Detected
PFTA 7/26/2023 <8.00 ppt 8.00 ppt Not Detected
PFDA 7/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/26/2023 7.80 ppt 4.00 ppt Detected
PFOS 7/26/2023 23.50 ppt 4.00 ppt Detected
PFNA 7/26/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/26/2023 5.60 ppt 3.00 ppt Detected
PFHpA 7/26/2023 14.00 ppt 3.00 ppt Detected
PFBS 7/26/2023 4.40 ppt 3.00 ppt Detected
NMeFOSAA 7/26/2023 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 7/26/2023 <7.00 ppt 7.00 ppt Not Detected
PFHpS 7/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/26/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/26/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 7/26/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/26/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/26/2023 29.70 ppt 3.00 ppt Detected
PFPeA 7/26/2023 30.60 ppt 3.00 ppt Detected
PFMPA 7/26/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/26/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/26/2023 <2.00 ppt 2.00 ppt Not Detected
6:2 FTS 7/26/2023 62.60 ppt 5.00 ppt Detected
PFBA 7/26/2023 19.10 ppt 5.00 ppt Detected
HFPO-DA 7/26/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/26/2023 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Hialeah, City Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID FL4130604 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Florida Drinking Water Authority

Florida Department of Environmental Protection, Drinking Water Program is the primacy agency that licenses and inspects Hialeah, City Of under EPA-delegated authority.

Open FL regulator portal

Source: Florida Department of Environmental Protection, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 TTHM MR 26 SDWIS / FL4130604 / 2950
2024 Total Haloacetic Acids (HAA5) MR 25 SDWIS / FL4130604 / 2456
2024 Revised Total Coliform Rule MON 7 SDWIS / FL4130604 / 8000
2020 Lead and Copper Rule MR 4 SDWIS / FL4130604 / 5000
2009 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / FL4130604 / 0600
1991 Coliform (TCR) MR 1 SDWIS / FL4130604 / 3100

How Hialeah, City Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Hialeah, City Of Florida avg Federal benchmark
Total violations 76 36.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.8 Indicates a contaminant exceeded a federal MCL
PFAS detection 11 compounds 54.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 238,000 4,395 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,093 regulated public water systems in Florida.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Hialeah, City Of water safe to drink?
Hialeah, City Of (PWS ID: FL4130604) has 76 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 11 PFAS compounds found. This system serves 238,000 people using Groundwater sources.
How many people does Hialeah, City Of serve?
Hialeah, City Of serves 238,000 people in Hialeah, Florida. It is a Local-owned system using Groundwater water sources with 54,000 service connections.
What type of violations does Hialeah, City Of have?
Hialeah, City Of has 76 total violations: 0 health-based violations (MCL exceedances or treatment failures), 65 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hialeah, City Of water?
Yes. UCMR5 testing detected 11 PFAS compounds in Hialeah, City Of's water supply: PFHpA, PFPeA, PFBS, PFHxS, PFNA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Hialeah, City Of use?
Hialeah, City Of uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.