Public water system · NY1800547
ActiveMcwa Genesee
At a glance
Mcwa Genesee (PWSID NY1800547) is an active community water system in Genesee County, New York. It reports serving 16,541 people through 6,931 service connections. Its primary water source is purchased surface water, and EPA lists it as under public/private ownership. EPA's records list one violation for this system; it is health-based, and the most recent began in September 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
16,541
Service connections
6,931
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Mcwa Genesee compare with other water systems in Genesee County?
By EPA's size categories, Mcwa Genesee is a large system (10,001 to 100,000 people). Genesee County has 31 active public water systems, and Mcwa Genesee is the largest of them by population served. Its population served is about 11 times the county average of 1,533 people per system, and accounts for 35% of the 47,530 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 Mcwa Genesee is about 147% 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. 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 Mcwa Genesee?
EPA lists Mcwa Genesee as under public/private ownership. 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. 1 of the 31 active systems in Genesee County (3.2%) are also under public/private ownership.
Does Mcwa Genesee have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2004. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2004-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
Mcwa Genesee: frequently asked questions
Who runs Mcwa Genesee?
Mcwa Genesee (PWSID NY1800547) is a community water system under public/private ownership. It is regulated by the NY state drinking water program.
How many people does Mcwa Genesee serve?
Mcwa Genesee reports serving 16,541 people through 6,931 service connections in Genesee County, New York.
Where does Mcwa Genesee 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 Mcwa Genesee have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2004. 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 Mcwa Genesee'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 one violation for this system; it is health-based, and the most recent began in September 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Mcwa Genesee's water quality report?
As a community water system, Mcwa Genesee 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 Genesee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Batavia City | Genesee | 15,475 | Community | Surface water |
| Batavia Consolidated W.D. | Genesee | 5,445 | Community | Purchased surface water |
| Oakfield Village | Genesee | 1,679 | Community | Purchased surface water |
| Elba Town Wd2 | Genesee | 1,129 | Community | Purchased surface water |
| Alabama Water District No.2 | Genesee | 1,119 | Community | Purchased surface water |
| Oakfield Town | Genesee | 864 | 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, “Mcwa Genesee, PWSID NY1800547, New York”, https://aquacensus.com/water-systems/new-york/mcwa-genesee-ny1800547 (data as of October 1, 2026).