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Local water dashboard

Official source aggregation

Water quality in Ellsworth, ME 04605

Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Hancock County.

Historical measurement record needs context
Largest possible serving system
Ellsworth Water Department
Source water
Surface water
County
Hancock County
Profile updated

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

At a glance

What the current records say

Utility-reported hardness

Unavailable

Ask your provider or test your tap

All possible systems

No active flag

0 active health-based records

Utility match

1 system

Serves 3,910 people system-wide

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Ellsworth Water Department

ME0090520 · Surface water · 3,910 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (2)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level
Reported level
0.004 mg/L
Action level
0.015 mg/L

27% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

TTHM

EPA SDWIS reported health-based violation

Reported violation
Reported level
0.0895 MG/L
Maximum contaminant level
0.08 MG/L

112% of the listed benchmark

Monitoring period: Oct 1, 2024 to Dec 31, 2024

Violation history (12)
Imported violation history for Ellsworth Water Department
RuleStatusPeriod
Lead and Copper RuleResolvedDec 30, 2024 to Jan 29, 2026
Lead and Copper RuleUnaddressedOct 1, 2024
TTHMHealth-basedResolvedOct 1, 2024 to Dec 31, 2024
TTHMHealth-basedResolvedJul 1, 2024 to Sep 30, 2024
TTHMHealth-basedResolvedApr 1, 2024 to Jun 30, 2024
Revised Total Coliform RuleResolvedFeb 1, 2024 to Feb 29, 2024
TTHMHealth-basedResolvedJan 1, 2024 to Mar 31, 2024
TTHMHealth-basedResolvedOct 1, 2023 to Dec 31, 2023
Revised Total Coliform RuleResolvedSep 1, 2022 to Sep 30, 2022
TTHMResolvedJan 1, 2022 to Mar 18, 2022
Total Haloacetic Acids (HAA5)ResolvedJan 1, 2022 to Mar 18, 2022
Revised Total Coliform RuleResolvedMar 1, 2021 to Mar 31, 2021

Hardness estimate unavailable

No responsible local estimate yet

We did not find enough qualifying recent USGS hardness observations within 25 miles of this ZIP centroid. We leave the value blank instead of substituting a state average. Ask the serving utility or test the household tap for a property-specific result.

Evidence-first next steps

Confirm the problem before choosing treatment

This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.

1

Confirm the serving system

ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.

3

Test for the decision you face

Ask the utility for hardness or test at the tap. For health concerns, use a certified laboratory and targeted analysis.

Convert your hardness test result →

Frequently asked

Water questions for Ellsworth

Is tap water safe in Ellsworth?+

EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.

How hard is the water?+

Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.

Do I need a water softener?+

Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.