Public water system · NY3401151
ActiveCanandaigua-Farmington Consolidated W.D.
At a glance
Canandaigua-Farmington Consolidated W.D. (PWSID NY3401151) is an active community water system in Ontario County, New York. It reports serving 13,000 people through 4,966 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
13,000
Service connections
4,966
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Canandaigua-Farmington Consolidated W.D. compare with other water systems in Ontario County?
By EPA's size categories, Canandaigua-Farmington Consolidated W.D. is a large system (10,001 to 100,000 people). Ontario County has 53 active public water systems, and Canandaigua-Farmington Consolidated W.D. is the 2nd-largest of them by population served. Its population served is about 7.4 times the county average of 1,756 people per system, and accounts for 14% 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 Canandaigua-Farmington Consolidated W.D. is about twice 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 Canandaigua-Farmington Consolidated W.D.?
EPA lists Canandaigua-Farmington Consolidated W.D. 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 Canandaigua-Farmington Consolidated W.D. have drinking water violations?
EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in January 2025. The violations listed here began between July 1993 and January 2025. By type: 7 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 as resolved and 4 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2011-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 9 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.
Canandaigua-Farmington Consolidated W.D.: frequently asked questions
Who runs Canandaigua-Farmington Consolidated W.D.?
Canandaigua-Farmington Consolidated W.D. (PWSID NY3401151) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Canandaigua-Farmington Consolidated W.D. serve?
Canandaigua-Farmington Consolidated W.D. reports serving 13,000 people through 4,966 service connections in Ontario County, New York.
Where does Canandaigua-Farmington Consolidated W.D. 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 Canandaigua-Farmington Consolidated W.D. have any drinking water violations?
EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in January 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 Canandaigua-Farmington Consolidated W.D.'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 9 violations for this system; 7 are health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Canandaigua-Farmington Consolidated W.D.'s water quality report?
As a community water system, Canandaigua-Farmington Consolidated W.D. 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 City | Ontario | 11,264 | Community | Surface water |
| Mcwa - Geneva | Ontario | 8,532 | Community | Purchased 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, “Canandaigua-Farmington Consolidated W.D., PWSID NY3401151, New York”, https://aquacensus.com/water-systems/new-york/canandaigua-farmington-consolidated-w-d-ny3401151 (data as of October 1, 2026).