WaterVerge

Is South Bristol (T), NY Tap Water Safe to Drink?

Graded C-, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

867 residents served 2 water systems PWSID: NY3400784
Overall Score
58.7 / 100
Violations
8 active
Last Updated
May 2026
Source
Surface water
#758 of 855 in New York Top 78% nationally
Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C-GRADE
Water Quality Grade
58.7/100
waterverge.com
C- 58.7/100

South Bristol (T), NY — Water Quality Report

South Bristol (T)'s drinking water received a grade of C- (58.7 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 867 residents using surface water.

Lead levels were measured at 12.0 ppb (90th percentile), which is within EPA limits but above recommended levels. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 79 violations on record, including 0 health-based violations. 8 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about South Bristol (T)'s water

South Bristol (T) ranks #758 out of 855 cities in New York for water quality, placing it among the lowest-rated in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

As a small community water system, South Bristol (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 25 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
58.7 out of 100 Grade C-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
17.2/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
13/20
C
Lead at 12.0 ppb (90th percentile).
Contaminants
16.5/20
B
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is South Bristol (T), NY water safe to drink?

Concerns Identified

South Bristol (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of C- (58.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 867 residents using surface water (rivers, lakes, or reservoirs).

8
Active Violations
12.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
5 events
Disaster History

Recent water quality updates for South Bristol (T)

A timeline of significant water quality events, violations, and data updates.

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into South Bristol (T)'s water quality assessment. Grade: C- (58.7/100).

Violation
20 drinking water violations recorded

Contaminants: 1,2,4-Trichlorobenzene, DICHLOROMETHANE, o-Dichlorobenzene.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3351). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for South Bristol (T)'s water supply.

Lead Elevated
Detected: 12.0 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

PFAS (1 compound) Elevated
Detected: Highest: PFBS at 0.0150 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

South Bristol (T)'s water system has 79 total violations on record, including 0 health-based violations. 8 remain unresolved. 25 violations were issued in the last 5 years.

MRMONOther
Most recent violations:
Jan 2025 1,2,4-Trichlorobenzene Resolved
Jan 2025 DICHLOROMETHANE Resolved
Jan 2025 o-Dichlorobenzene Resolved
Jan 2025 1,1-Dichloroethylene Resolved
Jan 2025 1,1,1-Trichloroethane Resolved

Flood & environmental risk

Ontario County has experienced 5 federally declared disasters since 1972. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include West River, Canandaigua Outlet.

HURRICANE SANDY
Hurricane FEMA DR-3351
SEVERE STORMS, FLOODING, TORNADOES, AND STRAIGHT-LINE WINDS
Flood FEMA DR-1993
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3262

Where does South Bristol (T)'s water come from?

South Bristol (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 867 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include West River (river), Canandaigua Outlet (river).

What South Bristol (T) residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in South Bristol (T)'s water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

South Bristol (T)'s area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Near Limit
12.0 ppb
EPA Action Level: 15 ppb · 80% of limit
Near LimitFilter: NSF-53
PFBS
PFAS / Forever Chemical
Near MCL
0.0150 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

79
Total violations
0
Health-based
8
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

79 Total
8 Active
0 Health-based
71 Resolved
3 SNC
Violations by category
Miscellaneous Other Rules
21
Volatile Organic Chemicals
20
Revised Total Coliform Rule
7
Stage 2 Disinfectants and Disinfection Byproducts Rule
7
Stage 1 Disinfectants and Disinfection Byproducts Rule
6
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Sep 2011 Active
Consumer Confidence Rule
Other Violation 0
Oct 2007 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jun 2006 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2025 Resolved
1,2,4-Trichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
DICHLOROMETHANE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
1,1,1-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
Carbon tetrachloride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
1,2-Dichloropropane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
Tetrachloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
Toluene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2025 Resolved
Styrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Showing 20 of 79 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Oct 2012
Most recent
Flood
Most common type

Ontario County has experienced 5 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Jun 2011
SEVERE STORMS, FLOODING, TORNADOES, AND STRAIGHT-LINE WINDS
Flood FEMA #1993
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1095
Jun 1972
TROPICAL STORM AGNES
Flood FEMA #338

Recommended water filters

Based on contaminants detected in South Bristol (T)'s water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 12.0 ppb
Read our guide →
🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 12.0 15 ppb Inorganic Near Limit
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS 0.015 HI µg/L PFAS Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 11.0 ppb from 1993 (1.0 ppb) to 2025 (12.0 ppb).
Contaminant Rankings

See how South Bristol (T) compares by contaminant

Explore where South Bristol (T) ranks among all New York cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Private
Population Served
867
Water Systems
2
Source breakdown
Surface Water
1
Groundwater
1
Water Source

Where South Bristol (T)'s water comes from

Surface Water

South Bristol (T)'s drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by private ownership and serves approximately 867 people through 2 water systems.

Local Hydrology

Water bodies near South Bristol (T)

South Bristol (T) is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

West River
river
Canandaigua Outlet
river
Infrastructure

Water systems serving South Bristol (T)

System Name PWSID Population Source
BRISTOL HARBOUR WATER CORP NY3400784 835 SW
HIDDEN HOLLOW NY3420254 32 GW
Regional Comparison

How South Bristol (T) compares

Full New York rankings →

South Bristol (T)'s score of 58.7/100 is below the average of 74/100 among major New York cities. It outscores 1 of 10 nearby cities. 9 of 10 nearby cities score higher.

South Bristol (T) (this city)
58.7
New York avg
74
City Profile

About South Bristol (T), NY

Wikipedia →

Canandaigua is a city in Ontario County, New York, United States. Its population was 10,576 at the 2020 census. It is the county seat of Ontario County; some administrative offices are at the county complex in the adjacent town of Hopewell.

Economic Profile
$96,054
Median Income
$297,693
Median Home Value
$1,423/mo
Median Rent
2%
Unemployment
Community
46.6
Median Age
75
People / sq mi
48.9%
College Educated
68.7%
Homeownership
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Frequently asked questions

Is South Bristol (T), NY tap water safe to drink?

South Bristol (T)'s water quality earned a grade of C- (58.7/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #758 out of 855 cities tested in New York.

What contaminants are in South Bristol (T)'s water?

Lead was measured at 12.0 ppb (90th percentile). 1 PFAS compound was detected. 79 violations are on record.

How is South Bristol (T)'s water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in South Bristol (T)?

While lead levels are within EPA limits, a filter adds extra protection. PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does South Bristol (T)'s water come from?

South Bristol (T)'s water is sourced from Surface water. The city has 2 water systems serving approximately 867 residents.

How does South Bristol (T)'s water compare to other cities?

South Bristol (T) ranks #758 out of 855 cities in New York (better than 11% of state cities) and #12259 out of 15744 cities nationally (22th percentile). The grade of C- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.