Public water system · NY3404515
ActiveMcwa - Geneva
At a glance
Mcwa - Geneva (PWSID NY3404515) is an active community water system in Ontario County, New York. It reports serving 8,532 people through 4,096 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in February 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,532
Service connections
4,096
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Mcwa - Geneva compare with other water systems in Ontario County?
By EPA's size categories, Mcwa - Geneva is a medium system (3,301 to 10,000 people). Ontario County has 53 active public water systems, and Mcwa - Geneva is the 4th-largest of them by population served. Its population served is about 4.9 times the county average of 1,756 people per system, and accounts for 9.2% of the 93,056 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 - Geneva is about 27% 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 - Geneva?
EPA lists Mcwa - Geneva 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. 27 of the 53 active systems in Ontario County (51%) are also owned by a local government.
Does Mcwa - Geneva have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in February 2007. The violations listed here began between December 1995 and February 2007. By type: 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2007-02-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2006-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Mcwa - Geneva: frequently asked questions
Who runs Mcwa - Geneva?
Mcwa - Geneva (PWSID NY3404515) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Mcwa - Geneva serve?
Mcwa - Geneva reports serving 8,532 people through 4,096 service connections in Ontario County, New York.
Where does Mcwa - Geneva 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 - Geneva have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in February 2007. 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 - Geneva'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 3 violations for this system; 2 are health-based, and the most recent began in February 2007. 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 - Geneva's water quality report?
As a community water system, Mcwa - Geneva 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 Ontario County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Geneva City | Ontario | 13,334 | Community | Surface water |
| Canandaigua-Farmington Consolidated W.D. | Ontario | 13,000 | Community | Purchased surface water |
| Canandaigua City | Ontario | 11,264 | Community | Surface water |
| Canandaigua Town Cons. Wd | Ontario | 6,800 | Community | Purchased surface water |
| Hopewell Cons Wd 1 | Ontario | 3,781 | Community | Purchased surface water |
| Gorham Town Wd | Ontario | 3,420 | Community | 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 - Geneva, PWSID NY3404515, New York”, https://aquacensus.com/water-systems/new-york/mcwa-geneva-ny3404515 (data as of October 1, 2026).