WaterVerge

Is Sunderland, MA Tap Water Safe to Drink?

Graded B, with 16 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

4K residents served 3 water systems PWSID: MA1289000
Overall Score
78.7 / 100
Violations
16 active
Last Updated
May 2026
Source
Groundwater
#185 of 280 in Massachusetts Top 55% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.7/100
waterverge.com
B 78.7/100

Sunderland, MA — Water Quality Report

Sunderland's drinking water received a grade of B (78.7 out of 100), indicating good water quality. The city's 3 water systems serve approximately 3,778 residents using groundwater.

Lead levels were measured at 3.9 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 237 violations on record, including 8 health-based violations. 16 remain unresolved.

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

What to know about Sunderland's water

Sunderland ranks #185 out of 280 cities in Massachusetts for water quality, placing it below average in the state.

Sunderland 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.

Quality Breakdown

Water quality score

See methodology →
78.7 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
30.7/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.9 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 Sunderland, MA water safe to drink?

Concerns Identified

Sunderland's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 3,778 residents using groundwater (wells).

16
Active Violations
3.9 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Sunderland

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Sunderland's water quality assessment. Grade: B (78.7/100).

Disaster
HURRICANE LEE

Federal disaster declaration (FEMA DR-3599). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Arsenic.

Violation
1 drinking water violation recorded

Contaminants: Arsenic.

Violation
3 drinking water violations recorded

1 health-based. Contaminants: Coliform (TCR), E. COLI.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3350). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Sunderland's water supply.

Lead Within Limits
Detected: 3.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Sunderland's water system has 237 total violations on record, including 8 health-based violations. 16 remain unresolved.

MRMCLOther
Most recent violations:
Apr 2020 Arsenic Resolved
Jul 2019 Arsenic Resolved
Sep 2015 Coliform (TCR) Resolved
Sep 2015 E. COLI Open
Sep 2015 Coliform (TCR) Resolved

Flood & environmental risk

Franklin County has experienced 7 federally declared disasters since 1985. 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 Millers River, South River, Deerfield River, Connecticut River, Avery Brook Nr Whately.

HURRICANE LEE
Hurricane FEMA DR-3599
HURRICANE SANDY
Hurricane FEMA DR-3350
TROPICAL STORM IRENE
Hurricane FEMA DR-4028

Where does Sunderland's water come from?

Sunderland's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 3,778 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Millers River (river), South River (river), Deerfield River (river), Connecticut River (river), Avery Brook Nr Whately (river).

What Sunderland residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Sunderland'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

Sunderland'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
3.9 ppb
EPA Action Level: 15 ppb · 26% of limit
Safe Level
Compliance Record

Violation summary

237
Total violations
8
Health-based
16
Active / unresolved
Apr 2020
Most recent violation
Compliance Record

Violations & advisories

237 Total
16 Active
8 Health-based
221 Resolved
1 SNC
Violations by category
Volatile Organic Chemicals
84
Synthetic Organic Chemicals
60
Inorganic Chemicals
33
Radionuclides and Revised Rad Rule
13
Total Coliform Rule
11
Sep 2015 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2015 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jan 1999 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Apr 2020 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2020
Jul 2019 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2019
Sep 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2015
Sep 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2015
Showing 20 of 237 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Franklin County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

7.4%
Months in D2+ (last 30y)
6
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

7
Declared disasters
Sep 2023
Most recent
Hurricane
Most common type

Franklin County has experienced 7 federally declared disasters since 1985. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2023
HURRICANE LEE
Hurricane FEMA #3599
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3350
Sep 2011
TROPICAL STORM IRENE
Hurricane FEMA #4028
Aug 2011
HURRICANE IRENE
Hurricane FEMA #3330
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3252
Apr 1987
SEVERE STORMS & FLOODING
Flood FEMA #790

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.9 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 0.9 ppb from 1993 (0.9 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,778
Water Systems
3
Water Source

Where Sunderland's water comes from

Groundwater

Sunderland'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 3,778 people through 3 water systems.

Local Hydrology

Water bodies near Sunderland

Sunderland is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Millers River
river
South River
river
Deerfield River
river
Connecticut River
river
Avery Brook Nr Whately
river
Infrastructure

Water systems serving Sunderland

System Name PWSID Population Source
SUNDERLAND WATER DISTRICT MA1289000 3,190 GW
CLIFFSIDE APARTMENTS MA1289001 500 GW
POND RIDGE CONDO ASSN MA1289002 88 GW
Regional Comparison

How Sunderland compares

Full Massachusetts rankings →

Sunderland's score of 78.7/100 is on par with the average of 80/100 among major Massachusetts cities. It outscores 2 of 10 nearby cities. 8 of 10 nearby cities score higher.

Sunderland (this city)
78.7
Boston
76.8
Worcester
78.9
Beverly
87.5
Massachusetts avg
80
City Profile

About Sunderland, MA

Economic Profile
$59,185
Median Income
$390,104
Median Home Value
$1,551/mo
Median Rent
8.1%
Unemployment
Community
34
Median Age
99
People / sq mi
53.7%
College Educated
42.4%
Homeownership
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Frequently asked questions

Is Sunderland, MA tap water safe to drink?

Sunderland's water quality earned a grade of B (78.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #185 out of 280 cities tested in Massachusetts.

What contaminants are in Sunderland's water?

Lead was measured at 3.9 ppb (90th percentile). 237 violations are on record.

How is Sunderland'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 Sunderland?

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

Where does Sunderland's water come from?

Sunderland's water is sourced from Groundwater. The city has 3 water systems serving approximately 3,778 residents.

What health violations has Sunderland's water system had?

Sunderland has 8 health-based violations on record. The most recent violation was recorded in April 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.

Is Sunderland's groundwater at risk of contamination?

Sunderland 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 237 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 Sunderland's water compare to other cities?

Sunderland ranks #185 out of 280 cities in Massachusetts (better than 34% of state cities) and #8568 out of 15744 cities nationally (46th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.