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WaterVerge

Water quality report · updated Jul 2026

Is Eastport, 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 ↓

1 contaminant over a legal limit
0.8 ppb lead, 90th percentile · low
4 unresolved violations
2K people served by 1 water system

PWSID ME0090510 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
B 79.6 / 100

#100 of 156Maine cities
How we grade →

01The verdict: is Eastport water safe?

Eastport's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,125 residents using surface water (rivers, lakes, or reservoirs).

The concern

Copper is over its legal limit

Measured at 1.81 mg/L against the EPA Action Level of 1.3 mg/L. The ledger below shows how far over — and which filter removes it.

See the measurement ↓
The good news

Lead is well under the limit

90th-percentile lead is 0.8 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

1 violation in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

Eastport's drinking water received a grade of B (79.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,125 residents using surface water.

Lead levels were measured at 0.8 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 48 violations on record, including 42 health-based violations. 4 remain unresolved.

Eastport ranks #100 out of 156 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, Eastport may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 79.6/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
34.6 / 45B
Lead & CopperLead at 0.8 ppb (90th percentile).
16 / 20B
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
8 / 10B
Source RiskWater source: Surface water.
4 / 5B

02What's in Eastport's water

Every contaminant flagged in Eastport, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

2 detections · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%

Over Limit — EPA Action Level: 1.3 mg/L

Exceeds the EPA action level. Copper leaches from household plumbing — flush taps for 30 seconds before drinking, and consider a certified filter.
Exceeds Limit What to do →
2 contaminants tested under EPA SDWIS, LCR and UCMR programs · 2 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.8 15 ppb Inorganic Safe
Copper (90th percentile) 1.81 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Eastport's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 48 violations on record, including 42 health-based violations. 4 remain unresolved.

6 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

7 health-based in 10 yrs 1 monitoring & paperwork 1 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Eastport's water quality assessment. Grade: B (79.6/100).
DisasterHURRICANE LEEFederal disaster declaration (FEMA DR-3598). Hurricane event — may have impacted local water infrastructure.
Violation1 drinking water violation recordedContaminants: Public Notice.Open
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
DisasterHURRICANE KATRINA EVACUATIONFederal disaster declaration (FEMA DR-3256). Hurricane event — may have impacted local water infrastructure.
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 13 ppb1998 — 7 ppb1999 — 3 ppb2000 — 2 ppb2001 — 2 ppb2002 — 1 ppb2005 — 1 ppb2010 — 4 ppb2013 — 1 ppb2016 — 0 ppb2017 — 1.2 ppb2018 — 0 ppb2019 — 1.4 ppb2020 — 0.66 ppb2023 — 0.80 ppb130.80199320002005201620192023

Down 12 ppb since 1993. Latest reading: 0.80 ppb (2023) — 5% of the action level. Sampled at higher-risk homes (90th percentile).

Copper, 90th percentilemg/L

1.8mg/L(1993)

One sampling round on record — 139% of the 1.3mg/L EPA action level. Sampled at higher-risk homes (90th percentile).

04Where Eastport's water comes from

Eastport's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Local treatment

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

2,125 people

Residents served across Eastport's service area.

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 2,125 people through 1 water system.

System namePWSIDPopulationSource
PASSAMAQUODDY WATER DISTRICT ME0090510 2,125 Surface Water

05Pressure on Eastport's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Flood & storm history

Recurring — declared disasters

6 federal disaster declarations on record for Washington County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

HURRICANE LEE Sep 2023 · DR-3598
HURRICANE KATRINA EVACUATION Sep 2005 · DR-3256
HIGH WINDS, TIDAL SURGE & COASTAL FLOODING Feb 1978 · DR-550

06How Eastport compares

Scores for nearby Maine cities on one line, with the average marked.

Cumberland
93.8 · A
Portland
93.2 · A
Falmouth
92.8 · A
Eastport (this city)
79.6 · B
Raymond
55.9 · C-

dashed line = Maine average (85/100)

Eastport scores 79.6/100below the Maine average of 85/100. It outscores 3 of 10 nearby cities. Full Maine rankings →

Washington water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Eastport's water — not generic advice.

Because of copper

Filter drinking & cooking water

NSF-certified water filter. Copper exceeds the EPA action level of 1.3 mg/L

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Eastport alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Eastport, ME tap water safe to drink?

Eastport's water quality earned a grade of B (79.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #100 out of 156 cities tested in Maine.

What contaminants are in Eastport's water?

Lead was measured at 0.8 ppb (90th percentile). 48 violations are on record.

How is Eastport'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 Eastport?

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

Where does Eastport's water come from?

Eastport's water is sourced from Surface water. The city has 1 water system serving approximately 2,125 residents.

What health violations has Eastport's water system had?

Eastport has 42 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. 4 violations remain unresolved.

How does Eastport's water compare to other cities?

Eastport ranks #100 out of 156 cities in Maine (better than 36% of state cities) and #8103 out of 15382 cities nationally (47th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Eastport's small water system affect quality?

Eastport's system serves approximately 2,125 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 48 violations on record.

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About Eastport, ME: Eastport is a city and archipelago in Washington County, Maine, United States. The population was 1,288 at the 2020 census, making Eastport the least-populous city in Maine. The principal island is Moose Island, which is connected to the mainland by a causeway. Eastport is the easternmost city in the continental United States. Wikipedia → Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.