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Community Water System · PWS FL3494318

Lake Marian Shores

Kenansville, Florida 34739 - drinking water served from groundwater sources to 130 people, tracked in EPA SDWIS and UCMR5.

130
People served
105
EPA violations
61
Health-based
Untested
UCMR5 result

The verdict

EPA records 105 drinking-water violations at Lake Marian Shores, 58% of them health-based - above the Florida per-system average.

105
Total EPA violations on record
58%
Health-based (MCL / treatment failure)
130
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lake Marian Shores

Lake Marian Shores is a private-owned community water system that delivers drinking water to 130 residents in Kenansville, Florida (Osceola County) through 82 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 105 total violations for this system , of which 61 (58%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 29 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is TTHM, recorded in 51 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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 Marian Shores's 105 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.

Population Served
130
Total Violations
105
Health-Based Violations
61
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
82
County
Osceola
School/Daycare
No
MCL Violations
61
Monitoring Violations
29
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 51 2020
Coliform (TCR) MR 16 2005
Total Haloacetic Acids (HAA5) MCL 9 2019
Nitrate MR 6 1994
Mercury MR 3 1989
Selenium MR 3 1989
Consumer Confidence Rule Other 2 2006
Lead and Copper Rule MR 1 2019
Coliform (TCR) MCL 1 1999

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 Marian Shores.

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 FL3494318 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 Marian Shores 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
2020 TTHM MCL 51 SDWIS / FL3494318 / 2950
2019 Total Haloacetic Acids (HAA5) MCL 9 SDWIS / FL3494318 / 2456
2019 Lead and Copper Rule MR 1 SDWIS / FL3494318 / 5000
2006 Consumer Confidence Rule Other 2 SDWIS / FL3494318 / 7000
2005 Coliform (TCR) MR 16 SDWIS / FL3494318 / 3100
1999 Coliform (TCR) MCL 1 SDWIS / FL3494318 / 3100
1994 Nitrate MR 6 SDWIS / FL3494318 / 1040
1989 Mercury MR 3 SDWIS / FL3494318 / 1035
1989 Selenium MR 3 SDWIS / FL3494318 / 1045

How Lake Marian Shores Compares

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

Metric Lake Marian Shores Florida avg Federal benchmark
Total violations 105 36.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 61 4.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 54.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 130 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 Marian Shores water safe to drink? ▼
Lake Marian Shores (PWS ID: FL3494318) has 105 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 130 people using Groundwater sources.
How many people does Lake Marian Shores serve? ▼
Lake Marian Shores serves 130 people in Kenansville, Florida. It is a Private-owned system using Groundwater water sources with 82 service connections.
What type of violations does Lake Marian Shores have? ▼
Lake Marian Shores has 105 total violations: 61 health-based violations (MCL exceedances or treatment failures), 29 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lake Marian Shores water? ▼
No PFAS testing data is available for Lake Marian Shores under the EPA's UCMR5 monitoring program.
What water source does Lake Marian Shores use? ▼
Lake Marian Shores 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.