Public water system · FL3490751
ActiveToho Water Authority Eastern
At a glance
Toho Water Authority Eastern (PWSID FL3490751) is an active community water system in Osceola County, Florida. It reports serving 110,102 people through 35,090 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
110,102
Service connections
35,090
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Toho Water Authority Eastern compare with other water systems in Osceola County?
By EPA's size categories, Toho Water Authority Eastern is a very large system (more than 100,000 people). Osceola County has 64 active public water systems, and Toho Water Authority Eastern is the largest of them by population served. Its population served is about 21 times the county average of 5,134 people per system, and accounts for 34% of the 328,565 people reported by systems filed under the county. Across Florida, the 5,197 active systems average 4,345 people each. Nationally, the average active community water system reports serving 6,703 people, so Toho Water Authority Eastern is about 16 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Florida has 1,640 active community water systems, 32% of the state's 5,197 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,996 Florida systems (96%) list groundwater as their primary source.
Who owns and regulates Toho Water Authority Eastern?
EPA lists Toho Water Authority Eastern as privately owned. The FL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 55 of the 64 active systems in Osceola County (86%) are also privately owned.
Does Toho Water Authority Eastern have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in September 2025. The violations listed here began between January 2014 and September 2025. By type: 9 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is E. coli (7 of them). EPA lists 8 as resolved and 4 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-09-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-09-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-07-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-02-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2021-07-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-08-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2019-08-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2015-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2014-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Toho Water Authority Eastern: frequently asked questions
Who runs Toho Water Authority Eastern?
Toho Water Authority Eastern (PWSID FL3490751) is a community water system privately owned. It is regulated by the FL state drinking water program.
How many people does Toho Water Authority Eastern serve?
Toho Water Authority Eastern reports serving 110,102 people through 35,090 service connections in Osceola County, Florida.
Where does Toho Water Authority Eastern get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Toho Water Authority Eastern have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in September 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Toho Water Authority Eastern's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in September 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the FL state drinking water program.
Where can I find Toho Water Authority Eastern's water quality report?
As a community water system, Toho Water Authority Eastern must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Osceola County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| St. Cloud, City of (3 Wps) | Osceola | 82,752 | Community | Groundwater |
| Toho Water Authority-Poinciana System | Osceola | 69,447 | Community | Groundwater |
| Toho Water Authority Western | Osceola | 40,330 | Community | Groundwater |
| Enterprise Cdd (Consecutive) | Osceola | 11,178 | Community | Purchased groundwater |
| Harmony Cdd | Osceola | 6,221 | Community | Groundwater |
| Pleasant Hill Lakes S/D | Osceola | 2,957 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Toho Water Authority Eastern, PWSID FL3490751, Florida”, https://aquacensus.com/water-systems/florida/toho-water-authority-eastern-fl3490751 (data as of October 1, 2026).