WaterVerge

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

Graded C+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

2K residents served 2 water systems PWSID: NY5600101
Overall Score
66.7 / 100
Violations
24 active
Last Updated
May 2026
Source
Surface water
#731 of 855 in New York Top 72% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
66.7/100
waterverge.com
C+ 66.7/100

Bolton (T), NY — Water Quality Report

Bolton (T)'s drinking water received a grade of C+ (66.7 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 1,980 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 251 violations on record, including 13 health-based violations. 24 remain unresolved.

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

What to know about Bolton (T)'s water

Bolton (T) ranks #731 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.

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

Quality Breakdown

Water quality score

See methodology →
66.7 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
24.3/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
14.4/20
C
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Bolton (T), NY water safe to drink?

Concerns Identified

Bolton (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (66.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,980 residents using surface water (rivers, lakes, or reservoirs).

24
Active Violations
0.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Bolton (T)

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bolton (T)'s water quality assessment. Grade: C+ (66.7/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4129). Flood event — may have impacted local water infrastructure.

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 Bolton (T)'s water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.81 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Bolton (T)'s water system has 251 total violations on record, including 13 health-based violations. 24 remain unresolved. 1 violation was issued in the last 5 years.

MONOtherMRMCLTT
Most recent violations:
Jan 2025 Revised Total Coliform Rule Resolved
Sep 2020 Consumer Confidence Rule Open
Jan 2019 Lead and Copper Rule Open
Jan 2018 Dalapon Resolved
Jan 2018 Benzo(a)pyrene Resolved

Flood & environmental risk

Warren County has experienced 8 federally declared disasters since 1976. 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 Schroon River.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4129
HURRICANE SANDY
Hurricane FEMA DR-3351
HURRICANE IRENE
Hurricane FEMA DR-4020

Where does Bolton (T)'s water come from?

Bolton (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 1,980 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Schroon River (river).

What Bolton (T) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Bolton (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.

Monitor alerts during storms

Bolton (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
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.81 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
NDMA (N-Nitrosodimethylamine)
Disinfection Byproduct
Detected
2.1 ng/L
CA Public Health Goal: 10 ng/L · 21% of limit
DetectedProbable CarcinogenUCMR 2 Data (2008–2010)
Compliance Record

Violation summary

251
Total violations
13
Health-based
24
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

251 Total
24 Active
13 Health-based
227 Resolved
2 SNC
Violations by category
Synthetic Organic Chemicals
84
Volatile Organic Chemicals
60
Inorganic Chemicals
49
Lead and Copper Rule
16
Stage 1 Disinfectants and Disinfection Byproducts Rule
10
Sep 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2014 Active
Consumer Confidence Rule
Other Violation 0
Jan 2007 Active
COPPER, FREE
Treatment Technique
Health-Based Health 0
Jan 2007 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2006 Active
COPPER, FREE
Treatment Technique
Health-Based Health 0
Jul 2006 Active
Lead
Treatment Technique
Health-Based Health 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Oct 2005 Active
Lead
Treatment Technique
Health-Based Health 0
Jul 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jan 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
May 2004 Active
Lead
Treatment Technique
Health-Based Health 0
Jan 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
May 2003 Active
Lead
Treatment Technique
Health-Based Health 0
Jan 2003 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2002 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 251 violations
Environmental Risk

Flood & disaster history

8
Declared disasters
Jul 2013
Most recent
Flood
Most common type

Warren County has experienced 8 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2013
SEVERE STORMS AND FLOODING
Flood FEMA #4129
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Aug 2011
HURRICANE IRENE
Hurricane FEMA #4020
Jun 2011
SEVERE STORMS, FLOODING, TORNADOES, AND STRAIGHT-LINE WINDS
Flood FEMA #1993
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Sep 1999
HURRICANE FLOYD MAJOR DISASTER DECLARATIONS
Hurricane FEMA #1296

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.81 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 46.1 ppb from 1993 (47.0 ppb) to 2024 (0.9 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.190 mg/L from 1993 (2.000 mg/L) to 2006 (1.810 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
1,980
Water Systems
2
Water Source

Where Bolton (T)'s water comes from

Surface Water

Bolton (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 local government ownership and serves approximately 1,980 people through 2 water systems.

Local Hydrology

Water bodies near Bolton (T)

Bolton (T) is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Schroon River
river
Infrastructure

Water systems serving Bolton (T)

System Name PWSID Population Source
BOLTON WATER DISTRICT NY5600101 1,800 SW
LAGOON MANOR HOMEOWNERS ASSOCIATION NY5622708 180 SW
Regional Comparison

How Bolton (T) compares

Full New York rankings →

Bolton (T)'s score of 66.7/100 is below the average of 74/100 among major New York cities. It outscores 2 of 10 nearby cities. 8 of 10 nearby cities score higher.

Bolton (T) (this city)
66.7
New York avg
74
City Profile

About Bolton (T), NY

Economic Profile
$82,679
Median Income
5.5%
Unemployment
Community
64.7
Median Age
81
People / sq mi
24.1%
College Educated
85.2%
Homeownership
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Frequently asked questions

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

Bolton (T)'s water quality earned a grade of C+ (66.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #731 out of 855 cities tested in New York.

What contaminants are in Bolton (T)'s water?

Lead was measured at 0.0 ppb (90th percentile). 251 violations are on record.

How is Bolton (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 Bolton (T)?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Bolton (T)'s water come from?

Bolton (T)'s water is sourced from Surface water. The city has 2 water systems serving approximately 1,980 residents.

What health violations has Bolton (T)'s water system had?

Bolton (T) has 13 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 24 violations remain unresolved.

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

Bolton (T) ranks #731 out of 855 cities in New York (better than 15% of state cities) and #11342 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.