WaterVerge

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

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: NY1500299
Overall Score
89 / 100
Violations
4 active
Last Updated
May 2026
Source
Surface water
#292 of 855 in New York Top 20% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89/100
waterverge.com
A- 89/100

Willsboro (T), NY — Water Quality Report

Willsboro (T)'s drinking water received a grade of A- (89 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,571 residents using surface water.

Lead levels were measured at 2.4 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 60 violations on record, including 4 health-based violations. 4 remain unresolved.

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

What to know about Willsboro (T)'s water

Willsboro (T) ranks #292 out of 855 cities in New York for water quality, placing it mid-range 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, Willsboro (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
89 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.4 ppb (90th percentile).
Contaminants
16/20
B
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

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

Concerns Identified

Willsboro (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,571 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
2.4 ppb
Lead (90th %ile)
None
PFAS Detected
8 events
Disaster History

Recent water quality updates for Willsboro (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 Willsboro (T)'s water quality assessment. Grade: A- (89/100).

Disaster
SEVERE STORM, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4814). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS AND FLOODING

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Interim Enhanced Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Key contaminant findings

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

Lead Within Limits
Detected: 2.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Willsboro (T)'s water system has 60 total violations on record, including 4 health-based violations. 4 remain unresolved.

TTOtherMCLMR
Most recent violations:
Apr 2011 Interim Enhanced Surface Water Treatment Rule Resolved
Mar 2009 Consumer Confidence Rule Open
Apr 2008 TTHM Resolved
Jul 2004 Total Haloacetic Acids (HAA5) Resolved
Jul 2004 TTHM Resolved

Flood & environmental risk

Essex County has experienced 8 federally declared disasters since 1996. 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 Boquet River.

SEVERE STORM, TORNADOES, AND FLOODING
Flood FEMA DR-4814
SEVERE STORMS AND FLOODING
Flood FEMA DR-4129
HURRICANE SANDY
Hurricane FEMA DR-3351

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

Willsboro (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,571 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Boquet River (river).

What Willsboro (T) residents can do

Install a water filter

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

Willsboro (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
2.4 ppb
EPA Action Level: 15 ppb · 16% of limit
Safe Level
PFAS Testing

Forever chemicals overview

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

Violation summary

60
Total violations
4
Health-based
4
Active / unresolved
Apr 2011
Most recent violation
Compliance Record

Violations & advisories

60 Total
4 Active
4 Health-based
56 Resolved
Violations by category
Synthetic Organic Chemicals
31
Inorganic Chemicals
12
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Nitrate Rule
4
Consumer Confidence Rule
2
Mar 2009 Active
Consumer Confidence Rule
Other Violation 0
Jan 2004 Active
Lead
Treatment Technique
Health-Based Health 0
Jun 2003 Active
Lead
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Apr 2011 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Apr 2011
Apr 2008 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2008
Jul 2004 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2004
Jul 2004 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2004
Jan 2004 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2004
Jan 2004 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2004
Jan 2000 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2000
Oct 1999 Resolved
Consumer Confidence Rule
Other Violation Resolved Jul 2000
Jan 1999 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1999
Jan 1994 Resolved
Aldicarb
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Aldicarb sulfoxide
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Aldicarb sulfone
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Carbofuran
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Heptachlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Chlordane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Showing 20 of 60 violations
Environmental Risk

Flood & disaster history

8
Declared disasters
Aug 2024
Most recent
Flood
Most common type

Essex County has experienced 8 federally declared disasters since 1996. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2024
SEVERE STORM, TORNADOES, AND FLOODING
Flood FEMA #4814
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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.4 15 ppb Inorganic Safe
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 ND HI µg/L PFAS Not 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 decreased by 18.6 ppb from 1993 (21.0 ppb) to 2023 (2.4 ppb).
Contaminant Rankings

See how Willsboro (T) compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
1,571
Water Systems
1
Water Source

Where Willsboro (T)'s water comes from

Surface Water

Willsboro (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 1,571 people through 1 water system.

Local Hydrology

Water bodies near Willsboro (T)

Willsboro (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.

Boquet River
river
Infrastructure

Water systems serving Willsboro (T)

System Name PWSID Population Source
WILLSBORO WD NY1500299 1,571 SW
Regional Comparison

How Willsboro (T) compares

Full New York rankings →

Willsboro (T)'s score of 89/100 is above the average of 74/100 among major New York cities. It outscores 9 of 10 nearby cities.

Willsboro (T) (this city)
89
New York avg
74
City Profile

About Willsboro (T), NY

Wikipedia →

Willsboro is a town in Essex County, New York, United States, and lies 30 miles (48 km) south of the city of Plattsburgh. As of the 2020 census, the town's population was 1,905. The town is named after early landowner William Gilliland.

Economic Profile
$64,712
Median Income
$248,774
Median Home Value
$942/mo
Median Rent
3.8%
Unemployment
Community
54.5
Median Age
18
People / sq mi
27.8%
College Educated
84.1%
Homeownership
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Frequently asked questions

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

Willsboro (T)'s water quality earned a grade of A- (89/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #292 out of 855 cities tested in New York.

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

Lead was measured at 2.4 ppb (90th percentile). No PFAS compounds were detected. 60 violations are on record.

How is Willsboro (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 Willsboro (T)?

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

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

Willsboro (T)'s water is sourced from Surface water. The city has 1 water system serving approximately 1,571 residents.

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

Willsboro (T) has 4 health-based violations on record. The most recent violation was recorded in April 2011. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

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

Willsboro (T) ranks #292 out of 855 cities in New York (better than 66% of state cities) and #3119 out of 15744 cities nationally (80th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Willsboro (T)'s small water system affect quality?

Willsboro (T)'s system serves approximately 1,571 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 60 violations on record.