WaterVerge

Is Clinton, ME 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 ↓

1K residents served 1 water system PWSID: ME0090350
Overall Score
84.3 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#73 of 168 in Maine Top 38% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.3/100
waterverge.com
B+ 84.3/100

Clinton, ME — Water Quality Report

Clinton's drinking water received a grade of B+ (84.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,013 residents using groundwater.

Lead levels were measured at 0.5 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 7 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 Clinton's water

Clinton ranks #73 out of 168 cities in Maine for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
84.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Clinton, ME water safe to drink?

Concerns Identified

Clinton's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,013 residents using groundwater (wells).

4
Active Violations
0.5 ppb
Lead (90th %ile)
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: B+ (84.3/100).

Disaster
HURRICANE LEE

Federal disaster declaration (FEMA DR-3598). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORM AND FLOODING

Federal disaster declaration (FEMA DR-4719). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 0.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.67 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

Clinton's water system has 7 total violations on record, including 1 health-based violation. 4 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMCL
Most recent violations:
Jul 2022 Consumer Confidence Rule Open
Jul 2020 Consumer Confidence Rule Open
Oct 2006 Consumer Confidence Rule Open
Jan 2006 Coliform (TCR) Resolved
Jan 1995 Nitrate Resolved

Flood & environmental risk

Somerset County has experienced 10 federally declared disasters since 1970. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE LEE
Hurricane FEMA DR-3598
SEVERE STORM AND FLOODING
Flood FEMA DR-4719
SEVERE STORMS AND FLOODING
Flood FEMA DR-1755

Where does Clinton's water come from?

Clinton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,013 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

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
0.5 ppb
EPA Action Level: 15 ppb · 3% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.67 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

7
Total violations
1
Health-based
4
Active / unresolved
Jul 2022
Most recent violation
Compliance Record

Violations & advisories

7 Total
4 Active
1 Health-based
3 Resolved
Violations by category
Consumer Confidence Rule
3
Total Coliform Rule
2
Nitrate Rule
1
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Oct 2006 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2006
Jan 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1991 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 1991
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: 230,724 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
SAPPI N.A. INC. - SOMERSET OPERATIONS
Paper · SDW HOLDINGS CORP
SKOWHEGAN, ME04976
Manganese compounds230,7248.5 mi
HUHTAMAKI INC
Paper · HUHTAMAKI AMERICAS INC
WATERVILLE, ME04901
7.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Kennebec County is currently in D2 (severe 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.

14
Weeks at D2+ (current streak)
5.6%
Months in D2+ (last 30y)
14
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
Sep 2023
Most recent
Flood
Most common type

Somerset County has experienced 10 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2023
HURRICANE LEE
Hurricane FEMA #3598
Jul 2023
SEVERE STORM AND FLOODING
Flood FEMA #4719
May 2008
SEVERE STORMS AND FLOODING
Flood FEMA #1755
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3256
Nov 1999
HURRICANE FLOYD MAJOR DISASTER DECLARATIONS
Hurricane FEMA #1308
May 1993
HEAVY RAIN, SNOWMELT, ICE JAMS & FLOODING
Flood FEMA #988

Recommended water filters

Based on contaminants detected in Clinton'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) 0.5 15 ppb Inorganic Safe
Copper (90th percentile) 1.67 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 2.5 ppb from 1993 (3.0 ppb) to 2025 (0.5 ppb).

Copper level (90th percentile)

Latest reading: 1.670 mg/L (1993)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,013
Water Systems
1
Water Source

Where Clinton's water comes from

Groundwater

Clinton'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 1,013 people through 1 water system.

Infrastructure

Water systems serving Clinton

System Name PWSID Population Source
CLINTON WATER DISTRICT ME0090350 1,013 GW
Regional Comparison

How Clinton compares

Full Maine rankings →

Clinton's score of 84.3/100 is on par with the average of 82/100 among major Maine cities. It outscores 5 of 10 nearby cities.

Clinton (this city)
84.3
Maine avg
82
City Profile

About Clinton, ME

Economic Profile
$69,861
Median Income
$151,263
Median Home Value
$966/mo
Median Rent
0.5%
Unemployment
Community
51.3
Median Age
30
People / sq mi
23.1%
College Educated
86.3%
Homeownership
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Frequently asked questions

Is Clinton, ME tap water safe to drink?

Clinton's water quality earned a grade of B+ (84.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #73 out of 168 cities tested in Maine.

What contaminants are in Clinton's water?

Lead was measured at 0.5 ppb (90th percentile). 7 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 Groundwater. The city has 1 water system serving approximately 1,013 residents.

What health violations has Clinton's water system had?

Clinton has 1 health-based violation on record. The most recent violation was recorded in July 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Clinton's groundwater at risk of contamination?

Clinton 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 7 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 Clinton's water compare to other cities?

Clinton ranks #73 out of 168 cities in Maine (better than 57% of state cities) and #5992 out of 15744 cities nationally (62th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Clinton's small water system affect quality?

Clinton's system serves approximately 1,013 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 7 violations on record.