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Non-Transient Non-Community Water System · PWS NY3407451

Bristol Mountain Water Works

Canandaigua, New York 14424 - drinking water served from groundwater sources to 318 people, tracked in EPA SDWIS and UCMR5.

318
People served
322
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 322 drinking-water violations at Bristol Mountain Water Works, 4% of them health-based - above the New York per-system average.

322
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
318
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bristol Mountain Water Works

Bristol Mountain Water Works is a private-owned non-transient non-community water system that delivers drinking water to 318 residents in Canandaigua, New York (Ontario County) through 26 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 322 total violations for this system , of which 13 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 282 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 18 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

Bristol Mountain Water Works's 322 violations sit above the New York average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
318
Total Violations
322
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
26
County
Ontario
School/Daycare
No
MCL Violations
0
Monitoring Violations
282
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 18 2014
Groundwater Rule TT 8 2010
Methoxychlor MR 6 2020
Dalapon MR 6 2020
Di(2-ethylhexyl) phthalate MR 6 2020
Dinoseb MR 6 2020
Hexachlorocyclopentadiene MR 6 2020
Aldicarb sulfoxide MR 6 2020
Aldicarb sulfone MR 6 2020
Atrazine MR 6 2020
Heptachlor MR 6 2020
2,4-D MR 6 2020
HEXACHLOROBENZENE MR 6 2020
Pentachlorophenol MR 6 2020
Total Polychlorinated Biphenyls (PCB) MR 6 2020
ETHYLENE DIBROMIDE MR 6 2020
Toxaphene MR 6 2020
Simazine MR 6 2020
Picloram MR 6 2020
LASSO MR 6 2020
Heptachlor epoxide MR 6 2020
Benzo(a)pyrene MR 6 2020
Chlordane MR 6 2020
2,4,5-TP MR 6 2020
Di(2-ethylhexyl) adipate MR 6 2020
BHC-GAMMA MR 6 2020
Revised Total Coliform Rule MON 6 2021
Endrin MR 6 2020
Aldicarb MR 6 2020
Carbofuran MR 6 2020

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Bristol Mountain Water Works.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NY3407451 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New York Drinking Water Authority

New York State Department of Health, Public Water Systems is the primacy agency that licenses and inspects Bristol Mountain Water Works under EPA-delegated authority.

Open NY regulator portal

Source: New York State Department of Health, Public Water Systems

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2021 Revised Total Coliform Rule MON 6 SDWIS / NY3407451 / 8000
2020 Methoxychlor MR 6 SDWIS / NY3407451 / 2015
2020 Dalapon MR 6 SDWIS / NY3407451 / 2031
2020 Di(2-ethylhexyl) phthalate MR 6 SDWIS / NY3407451 / 2039
2020 Dinoseb MR 6 SDWIS / NY3407451 / 2041
2020 Hexachlorocyclopentadiene MR 6 SDWIS / NY3407451 / 2042
2020 Aldicarb sulfoxide MR 6 SDWIS / NY3407451 / 2043
2020 Aldicarb sulfone MR 6 SDWIS / NY3407451 / 2044
2020 Atrazine MR 6 SDWIS / NY3407451 / 2050
2020 Heptachlor MR 6 SDWIS / NY3407451 / 2065
2020 2,4-D MR 6 SDWIS / NY3407451 / 2105
2020 HEXACHLOROBENZENE MR 6 SDWIS / NY3407451 / 2274
2020 Pentachlorophenol MR 6 SDWIS / NY3407451 / 2326
2020 Total Polychlorinated Biphenyls (PCB) MR 6 SDWIS / NY3407451 / 2383
2020 ETHYLENE DIBROMIDE MR 6 SDWIS / NY3407451 / 2946

How Bristol Mountain Water Works Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Bristol Mountain Water Works New York avg Federal benchmark
Total violations 322 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 318 2,383 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 8,098 regulated public water systems in New York.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Bristol Mountain Water Works water safe to drink? ▼
Bristol Mountain Water Works (PWS ID: NY3407451) has 322 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 318 people using Groundwater sources.
How many people does Bristol Mountain Water Works serve? ▼
Bristol Mountain Water Works serves 318 people in Canandaigua, New York. It is a Private-owned system using Groundwater water sources with 26 service connections.
What type of violations does Bristol Mountain Water Works have? ▼
Bristol Mountain Water Works has 322 total violations: 13 health-based violations (MCL exceedances or treatment failures), 282 monitoring/reporting violations, and 13 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bristol Mountain Water Works water? ▼
No PFAS testing data is available for Bristol Mountain Water Works under the EPA's UCMR5 monitoring program.
What water source does Bristol Mountain Water Works use? ▼
Bristol Mountain Water Works uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.