Public water system · NY3407451

Active

Bristol Mountain Water Works

At a glance

Bristol Mountain Water Works (PWSID NY3407451) is an active non-transient non-community water system in Ontario County, New York. It reports serving 318 people through 26 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

318

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNY3407451

System typeNon-transient non-community water system

Activity statusActive

Population served318

Service connections26

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyNY state drinking water program

City servedSouth Bristol (T)

StateNew York

ZIP—

CountyOntario County

How does Bristol Mountain Water Works compare with other water systems in Ontario County?

By EPA's size categories, Bristol Mountain Water Works is a very small system (500 people or fewer). Ontario County has 53 active public water systems. Its population served is well below the county average of 1,756 people per system, and accounts for 0.3% 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 non-transient non-community water system reports serving 430 people, so Bristol Mountain Water Works is about 26% below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New York has 704 active non-transient non-community water systems, 8.6% of the state's 8,167 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.

Who owns and regulates Bristol Mountain Water Works?

EPA lists Bristol Mountain Water Works as privately owned. 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. 26 of the 53 active systems in Ontario County (49%) are also privately owned.

Does Bristol Mountain Water Works have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. The violations listed here began between January 2020 and January 2021. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 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
2021-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Simazinecode 2037	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Heptachlor epoxidecode 2067	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Toxaphenecode 2020	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Dalaponcode 2031	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Di(2-ethylhexyl) phthalatecode 2039	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Ethylene dibromide (EDB)code 2946	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Dinosebcode 2041	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Chlordanecode 2959	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Aldicarbcode 2047	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	2,4-Dcode 2105	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.

Bristol Mountain Water Works: frequently asked questions

Who runs Bristol Mountain Water Works?

Bristol Mountain Water Works (PWSID NY3407451) is a non-transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Bristol Mountain Water Works serve?

Bristol Mountain Water Works reports serving 318 people through 26 service connections in Ontario County, New York.

Where does Bristol Mountain Water Works 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 Bristol Mountain Water Works have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. 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 Bristol Mountain Water Works' 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, none is health-based, and the most recent began in January 2021. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Bristol Mountain Water Works' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Bristol Mountain Water Works is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

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
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

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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, “Bristol Mountain Water Works, PWSID NY3407451, New York”, https://aquacensus.com/water-systems/new-york/bristol-mountain-water-works-ny3407451 (data as of October 1, 2026).