Public water system · NY6030016
ActiveCowlesville Water District
At a glance
Cowlesville Water District (PWSID NY6030016) is an active community water system in Wyoming County, New York. It reports serving 175 people through 87 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in March 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
175
Service connections
87
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Cowlesville Water District compare with other water systems in Wyoming County?
By EPA's size categories, Cowlesville Water District is a very small system (500 people or fewer). Wyoming County has 94 active public water systems. Its population served is about half of the county average of 336 people per system, and accounts for 0.6% of the 31,590 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active community water system reports serving 6,703 people, so Cowlesville Water District 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. New York has 2,281 active community water systems, 28% of the state's 8,167 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 399 New York systems (4.9%) list purchased surface water as their primary source.
Who owns and regulates Cowlesville Water District?
EPA lists Cowlesville Water District as owned by a local government. The NY 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 94 active systems in Wyoming County (16%) are also owned by a local government.
Does Cowlesville Water District have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in March 2026. The violations listed here began between January 2013 and March 2026. By type: 3 monitoring, 3 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 5 as resolved and 3 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. 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 |
|---|---|---|---|---|
| 2026-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2026-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2022-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-09-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2013-08-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2013-01-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
All 8 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.
Cowlesville Water District: frequently asked questions
Who runs Cowlesville Water District?
Cowlesville Water District (PWSID NY6030016) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Cowlesville Water District serve?
Cowlesville Water District reports serving 175 people through 87 service connections in Wyoming County, New York.
Where does Cowlesville Water District 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 Cowlesville Water District have any drinking water violations?
EPA's records list 8 violations for this system; 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 Cowlesville Water District'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 8 violations for this system; 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 NY state drinking water program.
Where can I find Cowlesville Water District's water quality report?
As a community water system, Cowlesville Water District 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 Wyoming County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Warsaw Village | Wyoming | 3,850 | Community | Surface water |
| Perry Village | Wyoming | 3,673 | Community | Surface water |
| Attica Village | Wyoming | 2,659 | Community | Surface water |
| Arcade Village | Wyoming | 2,630 | Community | Groundwater |
| Attica Correctional | Wyoming | 2,000 | Community | Purchased surface water |
| Wyoming Correctional | Wyoming | 1,600 | 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, “Cowlesville Water District, PWSID NY6030016, New York”, https://aquacensus.com/water-systems/new-york/cowlesville-water-district-ny6030016 (data as of October 1, 2026).