PlainWater

Community Water System · PWS FL3590201

Lake Mary, City Of

Lake Mary, Florida 32795-8445 - drinking water served from groundwater sources to 17,066 people, tracked in EPA SDWIS and UCMR5.

17,066
People served
72
EPA violations
0
Health-based
4 PFAS
UCMR5 result

The verdict

EPA records 72 drinking-water violations at Lake Mary, City Of - above the Florida per-system average, and UCMR5 testing detected 4 PFAS compounds.

72
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
17,066
People served by this system
4
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lake Mary, City Of

Lake Mary, City Of is a local-owned community water system that delivers drinking water to 17,066 residents in Lake Mary, Florida (Seminole County) through 7,043 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 72 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 43 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 Coliform (TCR), recorded in 11 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 4 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 4.2 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%).

Lake Mary, City Of's 72 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

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

Population Served
17,066
Total Violations
72
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,043
County
Seminole
School/Daycare
No
MCL Violations
0
Monitoring Violations
43
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2001
Consumer Confidence Rule Other 8 2015
Gross Alpha, Excl. Radon and U MR 8 1986
TTHM MR 6 2016
Total Haloacetic Acids (HAA5) MR 5 2016
Revised Total Coliform Rule MON 3 2025
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2010
Chromium MR 1 1985
Barium MR 1 1985
Arsenic MR 1 1985
Cadmium MR 1 1985
Mercury MR 1 1985
Selenium MR 1 1985
Fluoride MR 1 1985
Nitrate MR 1 1985

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 7 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 4/9/2024 4.10 ppt 3.00 ppt Detected
PFHxA 4/9/2024 4.20 ppt 3.00 ppt Detected
PFHpS 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/9/2024 3.80 ppt 3.00 ppt Detected
PFHpA 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 4/9/2024 3.60 ppt 3.00 ppt Detected
PFNA 4/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 4/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFMPA 4/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 4/9/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 4/9/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 4/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 4/9/2024 <2.00 ppt 2.00 ppt Not Detected
PFOS 4/9/2024 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 4/9/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 4/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/9/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 4/9/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 4/9/2024 <2.00 ppt 2.00 ppt Not Detected
PFTrDA 4/9/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 4/9/2024 <6.00 ppt 6.00 ppt Not Detected
8:2 FTS 4/9/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 4/9/2024 <8.00 ppt 8.00 ppt Not Detected
6:2 FTS 10/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 10/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 10/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 10/27/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 10/27/2023 <2.00 ppt 2.00 ppt Not Detected
PFHpS 10/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 10/27/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 10/27/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 10/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 10/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 10/27/2023 3.40 ppt 3.00 ppt Detected
PFMPA 10/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 10/27/2023 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 10/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 10/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 10/27/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 10/27/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 10/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 10/27/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 10/27/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 10/27/2023 <5.00 ppt 5.00 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 Lake Mary, 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 FL3590201 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 Lake Mary, 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
2025 Revised Total Coliform Rule MON 3 SDWIS / FL3590201 / 8000
2016 TTHM MR 6 SDWIS / FL3590201 / 2950
2016 Total Haloacetic Acids (HAA5) MR 5 SDWIS / FL3590201 / 2456
2015 Consumer Confidence Rule Other 8 SDWIS / FL3590201 / 7000
2010 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / FL3590201 / 0600
2001 Coliform (TCR) MR 11 SDWIS / FL3590201 / 3100
1986 Gross Alpha, Excl. Radon and U MR 8 SDWIS / FL3590201 / 4000
1985 Chromium MR 1 SDWIS / FL3590201 / 1020
1985 Barium MR 1 SDWIS / FL3590201 / 1010
1985 Arsenic MR 1 SDWIS / FL3590201 / 1005
1985 Cadmium MR 1 SDWIS / FL3590201 / 1015
1985 Mercury MR 1 SDWIS / FL3590201 / 1035
1985 Selenium MR 1 SDWIS / FL3590201 / 1045
1985 Fluoride MR 1 SDWIS / FL3590201 / 1025
1985 Nitrate MR 1 SDWIS / FL3590201 / 1040

How Lake Mary, City Of Compares

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

Metric Lake Mary, City Of Florida avg Federal benchmark
Total violations 72 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 4 compounds 54.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 17,066 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 Lake Mary, City Of water safe to drink?
Lake Mary, City Of (PWS ID: FL3590201) has 72 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 17,066 people using Groundwater sources.
How many people does Lake Mary, City Of serve?
Lake Mary, City Of serves 17,066 people in Lake Mary, Florida. It is a Local-owned system using Groundwater water sources with 7,043 service connections.
What type of violations does Lake Mary, City Of have?
Lake Mary, City Of has 72 total violations: 0 health-based violations (MCL exceedances or treatment failures), 43 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lake Mary, City Of water?
Yes. UCMR5 testing detected 4 PFAS compounds in Lake Mary, City Of's water supply: PFPeA, PFHxA, PFBS, PFHxS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Lake Mary, City Of use?
Lake Mary, 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.