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Local water dashboard

Official source aggregation

Water quality in Wiscasset, ME 04578

A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Lincoln County.

2 reported benchmark flags
Primary matched system
Bath Water District
Source water
Surface water + Groundwater
County
Lincoln County
Profile updated

At a glance

What the current records say

Hardness

Soft

3.2 PPM · 0.2 GPG

Compliance screen

No active flag

0 active health-based records

Lead 90th percentile

0 mg/L

0% of action level

Utility match

4 systems

Serves 9,205 people system-wide

Hardness meter

How hard is the water?

Soft

Estimated local hardness

USGS hardness classification scale

3.2 PPM

Soft
0–59
Moderate
60–120
Hard
121–180
Very hard
181+

Parts per million

3.2

mg/L as CaCO₃ equivalent

Grains per gallon

0.2

1 GPG ≈ 17.1 PPM

What this means at home

At 3.2 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.

USGS sites used

1

Nearest site

69.7 mi

Observation range

Jan 20, 2016–Mar 17, 2026

Estimate confidence

Low

Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Wild River at Gilead, Maine (Stream).USGS source documentation ↗

Regional context

Is 04578 typical?

These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.

Wiscasset median

3 PPM

About the same

1 indexed ZIP readings · Range 3.2–3.2 PPM

Maine median

39 PPM

36 PPM lower

122 indexed ZIP readings · Range 3.2–94.5 PPM

EPA benchmark screen

Contaminant snapshot

Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.

1 pass2 fail

Lead (PB90)

0 mg/L

Reported Dec 31, 2025

Copper (CU90)

1.7 mg/L

Reported Dec 31, 2010

Numerical coverage

3 comparable results

Missing values remain blank; absence is not treated as a pass.

Lead (90th percentile)

Measured in mg/L

Pass

Local 0

EPA limit 0.015

Local level is 0% of the listed EPA limit.

Copper (90th percentile)

Measured in mg/L

Fail

Local 1.7

EPA limit 1.3

Local level is 131% of the listed EPA limit.

Combined Uranium

Measured in MG/L

Fail

Local 0.034

EPA limit 30

Local level is 0% of the listed EPA limit.

Share of EPA benchmark

100% line = listed limit

EPA SDWIS compliance

Reported violation history

Open EPA source documentation ↗
2026Q2
All records
7
Health-based
3
Active health-based
0
Contaminant or ruleSystemStatusPeriod
Combined UraniumHealth-basedReported 0.034 MG/L · MCL 30ME0008716ArchivedJan 1, 2026through Mar 31, 2026
Combined UraniumHealth-basedReported 0.033 MG/L · MCL 30ME0008716ArchivedOct 1, 2025through Dec 31, 2025
Combined UraniumHealth-basedReported 0.031 MG/L · MCL 30ME0008716ArchivedJul 1, 2025through Sep 30, 2025
NitrateME0091660ResolvedJan 1, 2023through Dec 31, 2023
Revised Total Coliform RuleME0091660ResolvedJul 1, 2022through Jul 31, 2022
Lead and Copper RuleME0008716ResolvedDec 30, 2021through Mar 28, 2022
Revised Total Coliform RuleME0008716ResolvedAug 1, 2021through Aug 31, 2021

No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.

Solutions matcher

Your personalized water action plan

Matched to Wiscasset ZIP 04578 using 3.2 PPM nearby hardness and 3 reported measurement benchmarks.

1 match

Drinking water protection

Under-Sink Reverse Osmosis System

Copper (90th percentile), Combined Uranium have a measured benchmark flag or active health-based SDWIS record in this profile.

A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.

Explore under-sink filtration

Affiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.

Frequently asked

Water questions for Wiscasset

Is tap water safe in Wiscasset?+

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?+

Nearby USGS observations produce an estimate of 3.2 PPM, or 0.2 grains per gallon, classified as soft. This is not a household tap measurement.

Do I need a water softener?+

There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.