Public water system · TX1460002
ActiveCity of Dayton
At a glance
City of Dayton (PWSID TX1460002) is an active community water system in Liberty County, Texas. It reports serving 15,393 people through 5,538 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
15,393
Service connections
5,538
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Dayton compare with other water systems in Liberty County?
By EPA's size categories, City of Dayton is a large system (10,001 to 100,000 people). Liberty County has 91 active public water systems, and City of Dayton is the largest of them by population served. Its population served is about 13 times the county average of 1,160 people per system, and accounts for 15% of the 105,523 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Dayton is about 130% above 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. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.
Who owns and regulates City of Dayton?
EPA lists City of Dayton as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 20 of the 91 active systems in Liberty County (22%) are also owned by a local government.
Does City of Dayton have drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between May 1991 and October 2025. By type: 5 public notice, recordkeeping or other, 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 7 as resolved, 1 as unaddressed and 1 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-07-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1991-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 9 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.
City of Dayton: frequently asked questions
Who runs City of Dayton?
City of Dayton (PWSID TX1460002) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does City of Dayton serve?
City of Dayton reports serving 15,393 people through 5,538 service connections in Liberty County, Texas.
Where does City of Dayton 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 City of Dayton have any drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 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 City of Dayton'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. EPA's records list 9 violations for this system; none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find City of Dayton's water quality report?
As a community water system, City of Dayton 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 Liberty County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Cleveland | Liberty | 12,438 | Community | Groundwater |
| Santa Fe Utility | Liberty | 8,265 | Community | Groundwater |
| City of Liberty | Liberty | 8,170 | Community | Groundwater |
| Grand San Jacinto Water System | Liberty | 6,174 | Community | Groundwater |
| Hardin WSC | Liberty | 6,132 | Community | Groundwater |
| Tarkington Sud | Liberty | 5,265 | 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, “City of Dayton, PWSID TX1460002, Texas”, https://aquacensus.com/water-systems/texas/city-of-dayton-tx1460002 (data as of October 1, 2026).