Public water system · FL6520486

Active

Dunedin Water System

At a glance

Dunedin Water System (PWSID FL6520486) is an active community water system in Pinellas County, Florida. It reports serving 46,161 people through 11,608 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

46,161

Service connections

11,608

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDFL6520486

System typeCommunity water system

Activity statusActive

Population served46,161

Service connections11,608

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyFL state drinking water program

City servedDunedin

StateFlorida

ZIP—

CountyPinellas County

How does Dunedin Water System compare with other water systems in Pinellas County?

By EPA's size categories, Dunedin Water System is a large system (10,001 to 100,000 people). Pinellas County has 13 active public water systems, and Dunedin Water System is the 5th-largest of them by population served. Its population served is about half of the county average of 88,302 people per system, and accounts for 4% of the 1,147,926 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 Dunedin Water System is about 6.9 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 Dunedin Water System?

EPA lists Dunedin Water System as owned by a local government. 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. 10 of the 13 active systems in Pinellas County (77%) are also owned by a local government.

Does Dunedin Water System have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026. The violations listed here began between February 2025 and March 2026. By type: 11 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (11 of them). EPA lists 9 as archived and 3 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2026-03-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2025-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-03-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-02-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived

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.

Dunedin Water System: frequently asked questions

Who runs Dunedin Water System?

Dunedin Water System (PWSID FL6520486) is a community water system owned by a local government. It is regulated by the FL state drinking water program.

How many people does Dunedin Water System serve?

Dunedin Water System reports serving 46,161 people through 11,608 service connections in Pinellas County, Florida.

Where does Dunedin Water System 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 Dunedin Water System have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026. 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 Dunedin Water System'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, none is health-based, and the most recent began in March 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the FL state drinking water program.

Where can I find Dunedin Water System's water quality report?

As a community water system, Dunedin Water System 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 Pinellas County

Water system	County	Population served	Type	Source
Pinellas County Utilities	Pinellas	506,353	Community	Purchased surface water
St Petersburg, City of	Pinellas	349,979	Community	Purchased surface water
Clearwater Water System	Pinellas	115,000	Community	Groundwater
Pinellas Park Water Dept	Pinellas	48,939	Community	Purchased surface water
Tarpon Springs Water System	Pinellas	28,875	Community	Groundwater
Safety Harbor Water Dept	Pinellas	16,473	Community	Purchased surface water

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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, “Dunedin Water System, PWSID FL6520486, Florida”, https://aquacensus.com/water-systems/florida/dunedin-water-system-fl6520486 (data as of October 1, 2026).