WH

Water Hardness in Gardiner, ME

Maine · 1 zip codes · 5 matched water systems

198 PPM
11.5 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 USGS-backed source
5 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in Gardiner

These systems are matched to Gardiner, ME. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

5 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Kennebec Water District
ME0090750
Hard
180 PPMsurface water22,060 servedHigh Confidence — USGS Monitoring
Greater Augusta Utility District
ME0090080
Very Hard
257 PPMgroundwater13,750 servedEstimated — Nearby Data
Gardiner Water District
ME0090610
Moderately Hard
150 PPMgroundwater9,000 servedEstimated — Nearby Data
Greenledge Park Llc
ME0005825
Moderately Hard
150 PPMgroundwater55 servedEstimated — Nearby Data
East Pittston Water District
ME0092255
Moderately Hard
150 PPMgroundwater53 servedEstimated — Nearby Data

Zip Codes in Gardiner, ME

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Gardiner, ME.

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Frequently Asked Questions

How hard is the water in Gardiner, ME?

The citywide weighted average water hardness in Gardiner, ME is 198 PPM (11.5 GPG), classified as hard. This is based on 5 matched water systems.

Do I need a water softener in Gardiner, ME?

With a citywide average hardness of 198 PPM, a water softener is recommended for homes in Gardiner. Confirm your tap reading before sizing equipment.

Is hard water in Gardiner, ME safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve Gardiner, ME?

Gardiner, Maine is served by 5 matched water systems across 1 zip code.

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