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TOHO WATER AUTHORITY EASTERN

PWS ID: FL3490751 · KISSIMMEE, Florida 34741-4929

TOHO WATER AUTHORITY EASTERN serves 110,102 people in KISSIMMEE, Florida using Groundwater water sources. It has 164 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TOHO WATER AUTHORITY EASTERN

TOHO WATER AUTHORITY EASTERN is a private-owned community water system that delivers drinking water to 110,102 residents in KISSIMMEE, Florida (Osceola County) through 35,090 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 164 total violations for this system , of which 12 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 117 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 15 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. TOHO WATER AUTHORITY EASTERN's 164 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.

Population Served
110,102
Total Violations
164
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
35,090
County
Osceola
School/Daycare
No
MCL Violations
12
Monitoring Violations
117
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 15 2005
E. COLI MR 12 2025
Selenium MR 11 1988
Nitrate MR 11 1988
Mercury MR 11 1988
Cadmium MR 11 1988
Barium MR 11 1988
Chromium MR 11 1988
Arsenic MR 11 1988
Fluoride MR 11 1988
TTHM MCL 6 2014
Total Haloacetic Acids (HAA5) MCL 6 2015
Consumer Confidence Rule Other 2 2006
TTHM MR 1 2021
Total Haloacetic Acids (HAA5) MR 1 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 7/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/14/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/14/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/14/2023 <0.004 µg/L 0.004 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 TOHO WATER AUTHORITY EASTERN.

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 FL3490751 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 TOHO WATER AUTHORITY EASTERN 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 E. COLI MR 12 SDWIS / FL3490751 / 3014
2021 TTHM MR 1 SDWIS / FL3490751 / 2950
2021 Total Haloacetic Acids (HAA5) MR 1 SDWIS / FL3490751 / 2456
2015 Total Haloacetic Acids (HAA5) MCL 6 SDWIS / FL3490751 / 2456
2014 TTHM MCL 6 SDWIS / FL3490751 / 2950
2006 Consumer Confidence Rule Other 2 SDWIS / FL3490751 / 7000
2005 Coliform (TCR) MR 15 SDWIS / FL3490751 / 3100
1988 Selenium MR 11 SDWIS / FL3490751 / 1045
1988 Nitrate MR 11 SDWIS / FL3490751 / 1040
1988 Mercury MR 11 SDWIS / FL3490751 / 1035
1988 Cadmium MR 11 SDWIS / FL3490751 / 1015
1988 Barium MR 11 SDWIS / FL3490751 / 1010
1988 Chromium MR 11 SDWIS / FL3490751 / 1020
1988 Arsenic MR 11 SDWIS / FL3490751 / 1005
1988 Fluoride MR 11 SDWIS / FL3490751 / 1025

How TOHO WATER AUTHORITY EASTERN Compares

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

Metric TOHO WATER AUTHORITY EASTERN Florida avg Federal benchmark
Total violations 164 36.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 12 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 110,102 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 TOHO WATER AUTHORITY EASTERN water safe to drink? ▼
TOHO WATER AUTHORITY EASTERN (PWS ID: FL3490751) has 164 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 110,102 people using Groundwater sources.
How many people does TOHO WATER AUTHORITY EASTERN serve? ▼
TOHO WATER AUTHORITY EASTERN serves 110,102 people in KISSIMMEE, Florida. It is a Private-owned system using Groundwater water sources with 35,090 service connections.
What type of violations does TOHO WATER AUTHORITY EASTERN have? ▼
TOHO WATER AUTHORITY EASTERN has 164 total violations: 12 health-based violations (MCL exceedances or treatment failures), 117 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TOHO WATER AUTHORITY EASTERN water? ▼
No. TOHO WATER AUTHORITY EASTERN was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does TOHO WATER AUTHORITY EASTERN use? ▼
TOHO WATER AUTHORITY EASTERN 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.

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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.

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

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