PlainWater

LAKE MARY, CITY OF

PWS ID: FL3590201 · LAKE MARY, Florida 32795-8445

LAKE MARY, CITY OF serves 17,066 people in LAKE MARY, Florida using Groundwater water sources. It has 72 recorded EPA violations, including 0 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (4 compounds found).

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 0.0042 ppt. 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. LAKE MARY, CITY OF's 72 violations sit above the Florida average. Statewide, 218 of 402 UCMR5-tested systems have reported PFAS detections (54.2%). 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 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 4/9/2024 0.0041 µg/L 0.003 µg/L Detected
PFHxA 4/9/2024 0.0042 µg/L 0.003 µg/L Detected
PFHpS 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/9/2024 0.0038 µg/L 0.003 µg/L Detected
PFHpA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/9/2024 0.0036 µg/L 0.003 µg/L Detected
PFNA 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 4/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 4/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 4/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
8:2 FTS 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 4/9/2024 <9 µg/L 9 µg/L Not Detected
4:2 FTS 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
6:2 FTS 10/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 10/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 10/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 10/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 10/27/2023 <0.002 µg/L 0.002 µg/L Not Detected
lithium 10/27/2023 <9 µg/L 9 µg/L Not Detected
PFHpS 10/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 10/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 10/27/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 10/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 10/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 10/27/2023 0.0034 µg/L 0.003 µg/L Detected
PFMPA 10/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 10/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 10/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 10/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 10/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 10/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 10/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 10/27/2023 <0.008 µg/L 0.008 µg/L 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
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.

Explore PlainWater

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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial