WaterVerge

Is Hadley (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 2 water systems PWSID: NY4511618
Overall Score
90 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#237 of 855 in New York Top 16% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90/100
waterverge.com
A 90/100

Hadley (T), NY — Water Quality Report

Hadley (T)'s drinking water received a grade of A (90 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 1,797 residents using groundwater.

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 29 violations on record, including 1 health-based violation. 4 remain unresolved.

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

What to know about Hadley (T)'s water

Hadley (T) ranks #237 out of 855 cities in New York for water quality, placing it mid-range in the state.

Hadley (T) relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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

Quality Breakdown

Water quality score

See methodology →
90 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

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

Concerns Identified

Hadley (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A (90/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,797 residents using groundwater (wells).

4
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Hadley (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 Hadley (T)'s water quality assessment. Grade: A (90/100).

Violation
2 drinking water violations recorded

Contaminants: Nitrate.

Disaster
HURRICANE HENRI

Federal disaster declaration (FEMA DR-3565). Hurricane event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations 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 Hadley (T)'s water supply.

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

Well within EPA limits.

Violation history

Hadley (T)'s water system has 29 total violations on record, including 1 health-based violation. 4 remain unresolved. 2 violations were issued in the last 5 years.

MROtherMONMCL
Most recent violations:
Jan 2023 Nitrate Resolved
Jan 2023 Nitrate Resolved
Sep 2020 Consumer Confidence Rule Open
Sep 2020 Consumer Confidence Rule Open
May 2019 Revised Total Coliform Rule Resolved

Flood & environmental risk

Saratoga County has experienced 5 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 Hudson River, Great Sacandaga Lake, Sacandaga River.

HURRICANE HENRI
Hurricane FEMA DR-3565
HURRICANE SANDY
Hurricane FEMA DR-3351
HURRICANE IRENE
Hurricane FEMA DR-4020

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

Hadley (T)'s drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,797 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Hudson River (river), Great Sacandaga Lake (lake), Sacandaga River (river).

What Hadley (T) residents can do

Install a water filter

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

Hadley (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
Compliance Record

Violation summary

29
Total violations
1
Health-based
4
Active / unresolved
Jan 2023
Most recent violation
Compliance Record

Violations & advisories

29 Total
4 Active
1 Health-based
25 Resolved
6 SNC
Violations by category
Inorganic Chemicals
6
Total Coliform Rule
5
Nitrate Rule
4
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Revised Total Coliform Rule
3
Sep 2020 Active
Consumer Confidence Rule
Other Violation 0
Sep 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2023 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
May 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2019
May 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2019
Jan 2017 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2017
Jan 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2017
Jan 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2017
Jan 2017 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2017
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
Jan 2013 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2013
Jan 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2013
Jul 2007 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2007
Aug 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2006
Apr 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1993
Mar 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1993
Feb 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1993
Showing 20 of 29 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Aug 2021
Most recent
Hurricane
Most common type

Saratoga County has experienced 5 federally declared disasters since 1996. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2021
HURRICANE HENRI
Hurricane FEMA #3565
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Aug 2011
HURRICANE IRENE
Hurricane FEMA #4020
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1095

Full contaminants report

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

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1993 (5.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,797
Water Systems
2
Water Source

Where Hadley (T)'s water comes from

Groundwater

Hadley (T)'s drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 1,797 people through 2 water systems.

Local Hydrology

Water bodies near Hadley (T)

Hadley (T) is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Hudson River
river
Great Sacandaga Lake
lake
Sacandaga River
river
Infrastructure

Water systems serving Hadley (T)

System Name PWSID Population Source
HADLEY WD #2 NY4511618 997 GW
HADLEY SOUTH WD#1 NY4500165 800 GW
Regional Comparison

How Hadley (T) compares

Full New York rankings →

Hadley (T)'s score of 90/100 is above the average of 74/100 among major New York cities. It outscores 10 of 10 nearby cities.

Hadley (T) (this city)
90
New York avg
74
City Profile

About Hadley (T), NY

Wikipedia →

Hadley is a town in Saratoga County, New York, United States. The population was 1,971 at the 2000 census. The town was named after Hadley, Massachusetts.

Economic Profile
$76,420
Median Income
$203,587
Median Home Value
$863/mo
Median Rent
3.8%
Unemployment
Community
52.7
Median Age
20
People / sq mi
22.5%
College Educated
80.8%
Homeownership
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Frequently asked questions

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

Hadley (T)'s water quality earned a grade of A (90/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #237 out of 855 cities tested in New York.

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

Lead was measured at 0.0 ppb (90th percentile). 29 violations are on record.

How is Hadley (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 Hadley (T)?

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

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

Hadley (T)'s water is sourced from Groundwater. The city has 2 water systems serving approximately 1,797 residents.

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

Hadley (T) has 1 health-based violation on record. The most recent violation was recorded in January 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Hadley (T)'s groundwater at risk of contamination?

Hadley (T) uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 29 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

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

Hadley (T) ranks #237 out of 855 cities in New York (better than 72% of state cities) and #2474 out of 15744 cities nationally (84th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.