Public water system · KS2003501
ActiveDexter, City of
At a glance
City of Dexter (PWSID KS2003501) is an active community water system in Cowley County, Kansas. It reports serving 226 people through 151 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in August 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
226
Service connections
151
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Dexter compare with other water systems in Cowley County?
By EPA's size categories, City of Dexter is a very small system (500 people or fewer). Cowley County has 16 active public water systems. Its population served is well below the county average of 2,193 people per system, and accounts for 0.6% of the 35,090 people reported by systems filed under the county. Across Kansas, the 1,041 active systems average 2,800 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Dexter is well below 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. Kansas has 863 active community water systems, 83% of the state's 1,041 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 278 Kansas systems (27%) list purchased surface water as their primary source.
Who owns and regulates City of Dexter?
EPA lists City of Dexter as owned by a local government. The KS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 15 of the 16 active systems in Cowley County (94%) are also owned by a local government.
Does City of Dexter have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in August 2023. The violations listed here began between July 1993 and August 2023. By type: 5 public notice, recordkeeping or other, 4 monitoring and reporting, 2 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 12 as resolved. 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 |
|---|---|---|---|---|
| 2023-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2018-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2001-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1994-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | 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.
City of Dexter: frequently asked questions
Who runs City of Dexter?
City of Dexter (PWSID KS2003501) is a community water system owned by a local government. It is regulated by the KS state drinking water program.
How many people does City of Dexter serve?
City of Dexter reports serving 226 people through 151 service connections in Cowley County, Kansas.
Where does City of Dexter get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does City of Dexter have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in August 2023. 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 Dexter'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, one is health-based, and the most recent began in August 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.
Where can I find City of Dexter's water quality report?
As a community water system, City of Dexter 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 Cowley County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Arkansas City, City of | Cowley | 11,929 | Community | Groundwater |
| Winfield, City of | Cowley | 11,726 | Community | Surface water |
| Cowley Co Rwd 3 | Cowley | 2,500 | Community | Groundwater |
| Cowley Co Rwd 5 | Cowley | 2,000 | Community | Purchased surface water |
| Strother Field Airport Ind Park | Cowley | 1,534 | Non-transient non-community | Groundwater |
| Cowley Co Rwd 1 | Cowley | 1,500 | 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, “Dexter, City of, PWSID KS2003501, Kansas”, https://aquacensus.com/water-systems/kansas/dexter-city-of-ks2003501 (data as of October 1, 2026).