WaterVerge

Is Sutton, MA Tap Water Safe to Drink?

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

3K residents served 2 water systems PWSID: MA2290014
Overall Score
78.1 / 100
Violations
8 active
Last Updated
May 2026
Source
Groundwater
#188 of 280 in Massachusetts Top 56% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.1/100
waterverge.com
B 78.1/100

Sutton, MA — Water Quality Report

Sutton's drinking water received a grade of B (78.1 out of 100), indicating good water quality. The city's 2 water systems serve approximately 3,249 residents using groundwater.

Lead levels were measured at 2.0 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 152 violations on record, including 17 health-based violations. 8 remain unresolved.

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

What to know about Sutton's water

Sutton ranks #188 out of 280 cities in Massachusetts for water quality, placing it below average in the state.

Sutton 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, Sutton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
78.1 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.1/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 2.0 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 Sutton, MA water safe to drink?

Concerns Identified

Sutton's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,249 residents using groundwater (wells).

8
Active Violations
2.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Sutton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Sutton's water quality assessment. Grade: B (78.1/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4780). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE LEE

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

Violation
1 drinking water violation recorded

Contaminants: Total Haloacetic Acids (HAA5).

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.30 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

Sutton's water system has 152 total violations on record, including 17 health-based violations. 8 remain unresolved. 2 violations were issued in the last 5 years.

MROtherMCL
Most recent violations:
Dec 2023 Lead and Copper Rule Open
Oct 2023 Lead and Copper Rule Open
Jul 2017 Total Haloacetic Acids (HAA5) Resolved
Jul 2014 TTHM Resolved
Sep 2013 Coliform (TCR) Resolved

Flood & environmental risk

Worcester County has experienced 10 federally declared disasters since 1991. 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 Blackstone River, W. Main St.,, Quinsigamond River, Blackstone River, Blackstone River, Rt 122 Bridge, French River.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4780
HURRICANE LEE
Hurricane FEMA DR-3599
HURRICANE SANDY
Hurricane FEMA DR-3350

Where does Sutton's water come from?

Sutton's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,249 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Blackstone River, W. Main St., (river), Quinsigamond River (river), Blackstone River (river), Blackstone River, Rt 122 Bridge (river), French River (river).

What Sutton residents can do

Install a water filter

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

Sutton'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.30 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

152
Total violations
17
Health-based
8
Active / unresolved
Dec 2023
Most recent violation
Compliance Record

Violations & advisories

152 Total
8 Active
17 Health-based
144 Resolved
1 SNC
Violations by category
Volatile Organic Chemicals
63
Total Coliform Rule
38
Synthetic Organic Chemicals
33
Nitrate Rule
5
Lead and Copper Rule
4
Dec 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Oct 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jul 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2017
Jul 2014 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2014
Sep 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Aug 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2013
Jul 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2013
Oct 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2009
Sep 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2009
Sep 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2009
Sep 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2009
Aug 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2009
Jul 2009 Resolved
Carbon tetrachloride
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2009
Jul 2009 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2009
Showing 20 of 152 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Worcester 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.

8.0%
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

10
Declared disasters
May 2024
Most recent
Hurricane
Most common type

Worcester County has experienced 10 federally declared disasters since 1991. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2024
SEVERE STORMS AND FLOODING
Flood FEMA #4780
Sep 2023
HURRICANE LEE
Hurricane FEMA #3599
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3350
Aug 2011
HURRICANE IRENE
Hurricane FEMA #3330
Sep 2010
HURRICANE EARL
Hurricane FEMA #3315
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3252

Recommended water filters

Based on contaminants detected in Sutton'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) 2.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.30 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 0.0 ppb from 1993 (2.0 ppb) to 2026 (2.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.760 mg/L from 1993 (3.060 mg/L) to 2014 (2.300 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,249
Water Systems
2
Water Source

Where Sutton's water comes from

Groundwater

Sutton'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 3,249 people through 2 water systems.

Local Hydrology

Water bodies near Sutton

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

Blackstone River, W. Main St.,
river
Quinsigamond River
river
Blackstone River
river
Blackstone River, Rt 122 Bridge
river
French River
river
Infrastructure

Water systems serving Sutton

System Name PWSID Population Source
WILKINSONVILLE WATER DISTRICT MA2290014 2,773 GW
MANCHAUG WATER DISTRICT OF SUTTON MA2290001 476 GW
Regional Comparison

How Sutton compares

Full Massachusetts rankings →

Sutton's score of 78.1/100 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.

Sutton (this city)
78.1
Boston
76.8
Worcester
78.9
Beverly
87.5
Massachusetts avg
80
City Profile

About Sutton, MA

Wikipedia →

Sutton, officially the Town of Sutton, is a town in Worcester County, Massachusetts, United States. The population was 9,357 in the 2020 United States census. Located in the Blackstone Valley, the town was designated as a Preserve America community in 2004.

Economic Profile
$142,537
Median Income
$464,378
Median Home Value
$1,416/mo
Median Rent
2.1%
Unemployment
Community
42.4
Median Age
112
People / sq mi
46.1%
College Educated
87.1%
Homeownership
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Frequently asked questions

Is Sutton, MA tap water safe to drink?

Sutton's water quality earned a grade of B (78.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #188 out of 280 cities tested in Massachusetts.

What contaminants are in Sutton's water?

Lead was measured at 2.0 ppb (90th percentile). 152 violations are on record.

How is Sutton'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 Sutton?

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

Where does Sutton's water come from?

Sutton's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,249 residents.

What health violations has Sutton's water system had?

Sutton has 17 health-based violations on record. The most recent violation was recorded in December 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

Is Sutton's groundwater at risk of contamination?

Sutton 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 152 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 Sutton's water compare to other cities?

Sutton ranks #188 out of 280 cities in Massachusetts (better than 33% of state cities) and #8789 out of 15744 cities nationally (44th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.