Public water system · KS2015102
ActivePreston, City of
At a glance
City of Preston (PWSID KS2015102) is an active community water system in Pratt County, Kansas. It reports serving 120 people through 78 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, one is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
78
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Preston compare with other water systems in Pratt County?
By EPA's size categories, City of Preston is a very small system (500 people or fewer). Pratt County has 11 active public water systems, and City of Preston is the 4th-largest of them by population served. Its population served is well below the county average of 703 people per system, and accounts for 1.6% of the 7,731 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 Preston 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 587 Kansas systems (56%) list groundwater as their primary source.
Who owns and regulates City of Preston?
EPA lists City of Preston 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. 6 of the 11 active systems in Pratt County (55%) are also owned by a local government.
Does City of Preston have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. The violations listed here began between January 2011 and July 2025. By type: 6 monitoring and reporting, 3 public notice, recordkeeping or other, 1 reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 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 |
|---|---|---|---|---|
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2023-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2019-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-05-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2015-02-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | 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 Preston: frequently asked questions
Who runs City of Preston?
City of Preston (PWSID KS2015102) 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 Preston serve?
City of Preston reports serving 120 people through 78 service connections in Pratt County, Kansas.
Where does City of Preston 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 Preston 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 July 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 Preston'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 July 2025. 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 Preston's water quality report?
As a community water system, City of Preston 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 Pratt County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pratt, City of | Pratt | 6,573 | Community | Groundwater |
| Skyline School | Pratt | 476 | Non-transient non-community | Groundwater |
| Iuka, City of | Pratt | 155 | Community | Groundwater |
| Sawyer, City of | Pratt | 91 | Community | Groundwater |
| Kdwp Operations Maintenance Sect | Pratt | 90 | Non-transient non-community | Groundwater |
| Cullison, City of | Pratt | 83 | 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, “Preston, City of, PWSID KS2015102, Kansas”, https://aquacensus.com/water-systems/kansas/preston-city-of-ks2015102 (data as of October 1, 2026).