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Community Water System · PWS FL4134357

Fkaa J. Robert Dean W.T.P.

Key West, Florida 33041-1239 - drinking water served from groundwater sources to 86,000 people, tracked in EPA SDWIS and UCMR5.

86,000
People served
23
EPA violations
0
Health-based
8 PFAS
UCMR5 result

The verdict

EPA records 23 drinking-water violations at Fkaa J. Robert Dean W.T.P. - below the Florida per-system average, and UCMR5 testing detected 8 PFAS compounds.

23
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
86,000
People served by this system
8
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fkaa J. Robert Dean W.T.P.

Fkaa J. Robert Dean W.T.P. is a state-owned community water system that delivers drinking water to 86,000 residents in Key West, Florida (Miami-Dade County) through 35,361 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 23 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 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 5 violations (MON). Under EPA's UCMR5 PFAS monitoring program, 8 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 50.3 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%).

Fkaa J. Robert Dean W.T.P.'s 23 violations sit below 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

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

Population Served
86,000
Total Violations
23
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
35,361
County
Miami-Dade
School/Daycare
No
MCL Violations
0
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 5 2025
Lead and Copper Rule MR 4 2021
Consumer Confidence Rule Other 2 2023
TTHM MR 1 2012
Coliform (TCR) MR 1 1992

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 13 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/11/2023 9.90 ppt 4.00 ppt Detected
PFOS 9/11/2023 50.30 ppt 4.00 ppt Detected
PFHxS 9/11/2023 3.40 ppt 3.00 ppt Detected
PFHxA 9/11/2023 3.30 ppt 3.00 ppt Detected
PFNA 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
PFTA 9/11/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/11/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/11/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 9/11/2023 22.80 ppt 3.00 ppt Detected
PFMPA 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/11/2023 <20.00 ppt 20.00 ppt Not Detected
PFHpA 9/11/2023 3.30 ppt 3.00 ppt Detected
PFUnA 9/11/2023 <2.00 ppt 2.00 ppt Not Detected
PFMBA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/11/2023 4.00 ppt 3.00 ppt Detected
PFEESA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/11/2023 10.20 ppt 5.00 ppt Detected
HFPO-DA 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/11/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/30/2024 8.60 ppt 5.00 ppt Detected
PFPeA 4/30/2024 3.40 ppt 3.00 ppt Detected
4:2 FTS 4/30/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/30/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/30/2024 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 4/30/2024 <5.00 ppt 5.00 ppt Not Detected
PFMBA 4/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 4/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 4/30/2024 <7.00 ppt 7.00 ppt Not Detected
PFPeS 4/30/2024 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 4/30/2024 <5.00 ppt 5.00 ppt Not Detected
PFEESA 4/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/30/2024 18.00 ppt 3.00 ppt Detected
PFTA 4/30/2024 <8.00 ppt 8.00 ppt Not Detected
PFOS 4/30/2024 42.00 ppt 4.00 ppt Detected
NMeFOSAA 4/30/2024 <6.00 ppt 6.00 ppt Not Detected
ADONA 4/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 4/30/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/30/2024 <20.00 ppt 20.00 ppt Not Detected
PFNA 4/30/2024 <4.00 ppt 4.00 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 Fkaa J. Robert Dean W.T.P..

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 FL4134357 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 Fkaa J. Robert Dean W.T.P. 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
2025 Revised Total Coliform Rule MON 5 SDWIS / FL4134357 / 8000
2023 Consumer Confidence Rule Other 2 SDWIS / FL4134357 / 7000
2021 Lead and Copper Rule MR 4 SDWIS / FL4134357 / 5000
2012 TTHM MR 1 SDWIS / FL4134357 / 2950
1992 Coliform (TCR) MR 1 SDWIS / FL4134357 / 3100

How Fkaa J. Robert Dean W.T.P. Compares

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

Metric Fkaa J. Robert Dean W.T.P. Florida avg Federal benchmark
Total violations 23 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 8 compounds 54.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 86,000 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 Fkaa J. Robert Dean W.T.P. water safe to drink?
Fkaa J. Robert Dean W.T.P. (PWS ID: FL4134357) has 23 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 8 PFAS compounds found. This system serves 86,000 people using Groundwater sources.
How many people does Fkaa J. Robert Dean W.T.P. serve?
Fkaa J. Robert Dean W.T.P. serves 86,000 people in Key West, Florida. It is a State-owned system using Groundwater water sources with 35,361 service connections.
What type of violations does Fkaa J. Robert Dean W.T.P. have?
Fkaa J. Robert Dean W.T.P. has 23 total violations: 0 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fkaa J. Robert Dean W.T.P. water?
Yes. UCMR5 testing detected 8 PFAS compounds in Fkaa J. Robert Dean W.T.P.'s water supply: PFOA, PFOS, PFHxS, PFHxA, PFBS, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Fkaa J. Robert Dean W.T.P. use?
Fkaa J. Robert Dean W.T.P. 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.