PlainWater

Community Water System · PWS FL3590159

Casselberry, City of (3 Wps)

Casselberry, Florida 32707 - drinking water served from groundwater sources to 54,747 people, tracked in EPA SDWIS and UCMR5.

54,747
People served
107
EPA violations
23
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 107 drinking-water violations at Casselberry, City of (3 Wps), 21% of them health-based - above the Florida per-system average, and UCMR5 testing detected 1 PFAS compound.

107
Total EPA violations on record
21%
Health-based (MCL / treatment failure)
54,747
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Casselberry, City of (3 Wps)

Casselberry, City of (3 Wps) is a local-owned community water system that delivers drinking water to 54,747 residents in Casselberry, Florida (Seminole County) through 15,642 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 107 total violations for this system , of which 23 (21%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 23 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 Coliform (TCR), recorded in 18 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 3.2 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%).

Casselberry, City of (3 Wps)'s 107 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

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

Population Served
54,747
Total Violations
107
Health-Based Violations
23
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
15,642
County
Seminole
School/Daycare
No
MCL Violations
23
Monitoring Violations
23
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 18 2014
TTHM MCL 11 2014
Consumer Confidence Rule Other 7 2013
Coliform (TCR) MCL 6 2012
Total Haloacetic Acids (HAA5) MCL 6 2014
Public Notice Other 5 2014
TTHM MR 2 2021
Revised Total Coliform Rule RPT 2 2023
Total Haloacetic Acids (HAA5) MR 2 2021
Nitrate MR 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/15/2024 <2.00 ppt 2.00 ppt Not Detected
NFDHA 7/15/2024 <20.00 ppt 20.00 ppt Not Detected
PFNA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/15/2024 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 7/15/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFOA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFBS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/15/2024 <2.00 ppt 2.00 ppt Not Detected
PFTrDA 7/15/2024 <7.00 ppt 7.00 ppt Not Detected
PFPeA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/15/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 7/15/2024 <2.00 ppt 2.00 ppt Not Detected
PFBS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/15/2024 <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 Casselberry, City of (3 Wps).

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 FL3590159 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 Casselberry, City of (3 Wps) 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 Nitrate MR 1 SDWIS / FL3590159 / 1040
2023 Revised Total Coliform Rule RPT 2 SDWIS / FL3590159 / 8000
2021 TTHM MR 2 SDWIS / FL3590159 / 2950
2021 Total Haloacetic Acids (HAA5) MR 2 SDWIS / FL3590159 / 2456
2014 Coliform (TCR) MR 18 SDWIS / FL3590159 / 3100
2014 TTHM MCL 11 SDWIS / FL3590159 / 2950
2014 Total Haloacetic Acids (HAA5) MCL 6 SDWIS / FL3590159 / 2456
2014 Public Notice Other 5 SDWIS / FL3590159 / 7500
2013 Consumer Confidence Rule Other 7 SDWIS / FL3590159 / 7000
2012 Coliform (TCR) MCL 6 SDWIS / FL3590159 / 3100

How Casselberry, City of (3 Wps) Compares

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

Metric Casselberry, City of (3 Wps) Florida avg Federal benchmark
Total violations 107 36.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 23 4.8 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 54.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 54,747 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 Casselberry, City of (3 Wps) water safe to drink?
Casselberry, City of (3 Wps) (PWS ID: FL3590159) has 107 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 54,747 people using Groundwater sources.
How many people does Casselberry, City of (3 Wps) serve?
Casselberry, City of (3 Wps) serves 54,747 people in Casselberry, Florida. It is a Local-owned system using Groundwater water sources with 15,642 service connections.
What type of violations does Casselberry, City of (3 Wps) have?
Casselberry, City of (3 Wps) has 107 total violations: 23 health-based violations (MCL exceedances or treatment failures), 23 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Casselberry, City of (3 Wps) water?
Yes. UCMR5 testing detected 1 PFAS compound in Casselberry, City of (3 Wps)'s water supply: PFHxS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Casselberry, City of (3 Wps) use?
Casselberry, City of (3 Wps) 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.