WaterVerge

Is Damariscotta, ME Tap Water Safe to Drink?

Graded B-, with 20 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: ME0090410
Overall Score
74.4 / 100
Violations
20 active
Last Updated
May 2026
Source
Surface water
#126 of 168 in Maine Top 63% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
74.4/100
waterverge.com
B- 74.4/100

Damariscotta, ME — Water Quality Report

Damariscotta's drinking water received a grade of B- (74.4 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 2,193 residents using surface water.

Lead levels were measured at 1.2 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 115 violations on record, including 33 health-based violations. 20 remain unresolved.

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

What to know about Damariscotta's water

Damariscotta ranks #126 out of 168 cities in Maine for water quality, placing it below 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.

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

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
74.4 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
25.4/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.2 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Damariscotta, ME water safe to drink?

Concerns Identified

Damariscotta's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,193 residents using surface water (rivers, lakes, or reservoirs).

20
Active Violations
1.2 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Damariscotta

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Damariscotta's water quality assessment. Grade: B- (74.4/100).

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: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 1.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Damariscotta's water system has 115 total violations on record, including 33 health-based violations. 20 remain unresolved. 6 violations were issued in the last 5 years.

MROtherTTMONMCL
Most recent violations:
Apr 2023 Lead and Copper Rule Open
Jul 2022 Consumer Confidence Rule Open
Dec 2021 Lead and Copper Rule Open
Jul 2021 TTHM Resolved
Jul 2021 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Lincoln County has experienced 10 federally declared disasters since 1987. 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
TROPICAL STORM IRENE
Hurricane FEMA DR-4032

Where does Damariscotta's water come from?

Damariscotta's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 2,193 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Damariscotta residents can do

Install a water filter

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

Damariscotta'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
1.2 ppb
EPA Action Level: 15 ppb · 8% of limit
Safe Level
Compliance Record

Violation summary

115
Total violations
33
Health-based
20
Active / unresolved
Apr 2023
Most recent violation
Compliance Record

Violations & advisories

115 Total
20 Active
33 Health-based
95 Resolved
2 SNC
Violations by category
Inorganic Chemicals
43
Stage 1 Disinfectants and Disinfection Byproducts Rule
21
Total Coliform Rule
16
Consumer Confidence Rule
9
Lead and Copper Rule
8
Apr 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Dec 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2021 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Dec 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2018 Active
Public Notice
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Nov 2010 Active
Public Notice
Other Violation 0
Oct 2007 Active
Consumer Confidence Rule
Other Violation 0
Apr 2006 Active
Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
Oct 2005 Active
Consumer Confidence Rule
Other Violation 0
Jan 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Showing 20 of 115 violations
Industrial pollution

Top industrial polluters within 10 miles of Damariscotta

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
MASTERS MACHINE CO
Fabricated Metals · NA
ROUND POND, ME04564
5.9 mi
MOLNLYCKE MANUFACTURING US LLC (FORMALLY RYNEL)
Plastics and Rubber · MOLNLYCKE AB
WISCASSET, ME04578
9.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Lincoln 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)
4.8%
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

Lincoln County has experienced 10 federally declared disasters since 1987. 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
Sep 2011
TROPICAL STORM IRENE
Hurricane FEMA #4032
May 2008
SEVERE STORMS AND FLOODING
Flood FEMA #1755
Apr 2007
FLOODING
Flood FEMA #1691
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3256

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.2 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 30.8 ppb from 1993 (32.0 ppb) to 2025 (1.2 ppb).
Contaminant Rankings

See how Damariscotta compares by contaminant

Explore where Damariscotta ranks among all Maine cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
2,193
Water Systems
2
Source breakdown
Surface Water
1
Groundwater
1
Water Source

Where Damariscotta's water comes from

Surface Water

Damariscotta'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 2,193 people through 2 water systems.

Infrastructure

Water systems serving Damariscotta

System Name PWSID Population Source
GREAT SALT BAY SANITARY DISTRICT ME0090410 2,143 SW
PINES MOBILE HOME PARK LLC ME0006513 50 GW
Regional Comparison

How Damariscotta compares

Full Maine rankings →

Damariscotta's score of 74.4/100 is below the average of 82/100 among major Maine cities. It outscores 3 of 10 nearby cities. 7 of 10 nearby cities score higher.

Damariscotta (this city)
74.4
Maine avg
82
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Frequently asked questions

Is Damariscotta, ME tap water safe to drink?

Damariscotta's water quality earned a grade of B- (74.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #126 out of 168 cities tested in Maine.

What contaminants are in Damariscotta's water?

Lead was measured at 1.2 ppb (90th percentile). 115 violations are on record.

How is Damariscotta'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 Damariscotta?

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

Where does Damariscotta's water come from?

Damariscotta's water is sourced from Surface water. The city has 2 water systems serving approximately 2,193 residents.

What health violations has Damariscotta's water system had?

Damariscotta has 33 health-based violations on record. The most recent violation was recorded in April 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 20 violations remain unresolved.

How does Damariscotta's water compare to other cities?

Damariscotta ranks #126 out of 168 cities in Maine (better than 25% of state cities) and #9859 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.