WaterVerge

Is Clinton, MA Tap Water Safe to Drink?

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

16K residents served 1 water system PWSID: MA2064000
Overall Score
88.7 / 100
Violations
6 active
Last Updated
May 2026
Source
Surface water
#52 of 280 in Massachusetts Top 21% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.7/100
waterverge.com
A- 88.7/100

Clinton, MA — Water Quality Report

Clinton's drinking water received a grade of A- (88.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 15,530 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 23 violations on record, including 17 health-based violations. 6 remain unresolved.

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

What to know about Clinton's water

Clinton ranks #52 out of 280 cities in Massachusetts for water quality, placing it above average 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.

Hexavalent chromium (chromium-6) was detected at 0.08 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
88.7 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
18.4/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Clinton, MA water safe to drink?

Concerns Identified

Clinton's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 15,530 residents using surface water (rivers, lakes, or reservoirs).

6
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Clinton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Clinton's water quality assessment. Grade: A- (88.7/100).

Disaster
SEVERE STORMS AND FLOODING

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

Disaster
HURRICANE LEE

Federal disaster declaration (FEMA DR-3599). Hurricane 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: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Clinton's water system has 23 total violations on record, including 17 health-based violations. 6 remain unresolved.

MROtherMCLTT
Most recent violations:
Dec 2019 Lead and Copper Rule Open
Mar 2012 Coliform (TCR) Resolved
Jan 2012 Coliform (TCR) Resolved
Jul 2011 Consumer Confidence Rule Open
Jul 2011 Consumer Confidence Rule Open

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 North Nashua River, Stillwater River, Quinapoxet River, Gates Brook, Nashua River, Water Street Bridge,.

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

Where does Clinton's water come from?

Clinton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 15,530 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include North Nashua River (river), Stillwater River (river), Quinapoxet River (river), Gates Brook (river), Nashua River, Water Street Bridge, (river).

What Clinton residents can do

Install a water filter

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

Clinton'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
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
23.7 µg/L
EPA MCL: 60 µg/L · 39% of limit
Within LimitUCMR 4 DataHAA6Br: 5.1 µg/LHAA9: 28.7 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.08 µg/L
CA MCL (no federal MCL): 10 µg/L · 1% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
45.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 3% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Elevated
30.1 µg/L
EPA Secondary MCL: 50 µg/L · 60% of limit
DetectedUCMR 4 Data
Perchlorate
Inorganic
Elevated
6.00 µg/L
CA MCL (no federal MCL): 6 µg/L · +0% over limit
DetectedUCMR 1 Data (2001–2005)
Chlorate
Disinfection Byproduct
Over HA
430.0 µg/L
EPA Lifetime HA: 210 µg/L · +20% over limit
Over Health AdvisoryUCMR 3 Data
PFAS Testing

Forever chemicals overview

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

Violation summary

23
Total violations
17
Health-based
6
Active / unresolved
Dec 2019
Most recent violation
Compliance Record

Violations & advisories

23 Total
6 Active
17 Health-based
17 Resolved
Violations by category
Total Coliform Rule
12
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Lead and Copper Rule
2
Consumer Confidence Rule
2
Surface Water Treatment Rule
1
Dec 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 1993 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 1992 Active
Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Mar 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
Jan 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2012
Jan 2007 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2007
Jan 2007 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2007
Oct 2006 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Dec 2006
Oct 2006 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2006
Jul 2006 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2006
Sep 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Jul 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2004
Jul 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2000
Sep 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1999
Jun 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1999
Aug 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1998
Jul 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1996
Showing 20 of 23 violations
Industrial pollution

Top industrial polluters within 10 miles of Clinton

Industrial polluters nearby

Reported releases to surface water by facilities near Clinton, ranked by pounds discharged annually.

Total reported releases to surface water: 11 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
S&E SPECIALTY POLYMERS LLC
Chemicals · AURORA PLASTICS
LUNENBURG, MA01462
Antimony compounds58.2 mi
TEKNOR APEX ELASTOMERS INC.
Plastics and Rubber · TEKNOR APEX CO
LEOMINSTER, MA01453
Zinc compounds47.5 mi
CHROMA COLOR CORP
Chemicals · CHROMA COLOR CORP
LEOMINSTER, MA01453
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)26.1 mi
VERANOVA L.P.
Chemicals · AHP-VERANOVA LP
DEVENS, MA01434
8.2 mi
U S ARMY GARRISON FORT DEVENS RANGES
Other · US DEPARTMENT OF DEFENSE
DEVENS, MA01434
6.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Clinton

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 12.0 ppb from 1992 (12.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
15,530
Water Systems
1
Water Source

Where Clinton's water comes from

Surface Water

Clinton'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 15,530 people through 1 water system.

Local Hydrology

Water bodies near Clinton

Clinton is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

North Nashua River
river
Stillwater River
river
Quinapoxet River
river
Gates Brook
river
Nashua River, Water Street Bridge,
river
Infrastructure

Water systems serving Clinton

System Name PWSID Population Source
CLINTON WATER DEPT MA2064000 15,530 SW
Regional Comparison

How Clinton compares

Full Massachusetts rankings →

Clinton's score of 88.7/100 is above the average of 80/100 among major Massachusetts cities. It outscores 10 of 10 nearby cities.

Clinton (this city)
88.7
Boston
76.8
Worcester
78.9
Beverly
87.5
Massachusetts avg
80
City Profile

About Clinton, MA

Economic Profile
$89,888
Median Income
$327,187
Median Home Value
$1,289/mo
Median Rent
4.2%
Unemployment
Community
38
Median Age
1,048
People / sq mi
37%
College Educated
55.6%
Homeownership
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Frequently asked questions

Is Clinton, MA tap water safe to drink?

Clinton's water quality earned a grade of A- (88.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #52 out of 280 cities tested in Massachusetts.

What contaminants are in Clinton's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 23 violations are on record.

How is Clinton'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 Clinton?

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

Where does Clinton's water come from?

Clinton's water is sourced from Surface water. The city has 1 water system serving approximately 15,530 residents.

What health violations has Clinton's water system had?

Clinton has 17 health-based violations on record. The most recent violation was recorded in December 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

How does Clinton's water compare to other cities?

Clinton ranks #52 out of 280 cities in Massachusetts (better than 81% of state cities) and #3267 out of 15744 cities nationally (79th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.