How does Augusta's water compare to the national average?

The USA national average is 151 mg/L. Augusta (≈ 120–179 mg/L) is 1 mg/L softer than average.

Augusta Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.3

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

60.9 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Augusta, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Augusta	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Augusta compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Augusta, Maine	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Waterville, Maine	≈ 0–60 mg/L	42.5 ppt	🟢 Soft	reservoir
Brunswick, Maine	≈ 120–179 mg/L	2.9 ppt	🟠 Hard	groundwater
Lewiston, Maine	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Auburn, Maine	≈ 0–60 mg/L	3.1 ppt	🟢 Soft	groundwater

National Benchmark

How Augusta compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Augusta	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Augusta's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 60.9 mg/LpH: 7.3

The Greater Augusta Utility District (GAUD) serves approximately 20,000 customers in Augusta and surrounding areas of Kennebec County, Maine. Water is sourced from multiple municipal wells drawing from groundwater aquifers along the Kennebec River valley. There are no surface water intakes or reservoirs; the supply is entirely from drilled wells, with primary production from the Bond Brook wellfield and backup wells. Treatment occurs at the GAUD treatment facility involving disinfection, aeration for iron and manganese control, and corrosion control. The utility complies with the Maine Drinking Water Program and EPA Safe Drinking Water Act standards, publishing annual Consumer Confidence Reports.

Augusta's groundwater recharges from local surficial and bedrock aquifers within the Kennebec River Basin, in the Central Maine Lowland physiographic province. The geology features metamorphosed sedimentary rocks of the Silurian Waterville Slate and Vassalboro Formation, with marble lenses that weather to release calcium, alongside Cambrian-Ordovician Hallowell granite intrusions. Glacial overburden from the Wisconsinan glaciation adds calcareous till, enhancing mineralization. This combination of carbonate metasedimentary rocks and limestone-rich glacial deposits imparts a naturally hard character to the water through prolonged rock-water interaction.

Hard water leads to scale buildup in hot water heaters, dishwashers, coffee makers, and washing machines, reducing efficiency and lifespan. White mineral deposits appear on glassware, fixtures, and utensils, often requiring vinegar cleaning. Laundry may feel stiff without softeners. A home water softener is recommended for households noticing these effects to extend appliance life and improve soap efficiency. Regular deliming of heaters helps mitigate issues. pH is typically 7.0–7.5 post-treatment; the utility maintains lead and copper compliance through corrosion inhibitors like orthophosphate. No PFAS exceedances are reported in available data; treatment includes chlorination and filtration.

Geology & Source: Kennebec River Valley glacial drift and fractured bedrock aquifers; Devonian Waterville and Vassalboro Formation marbles and schists with Hallowell granite intrusions; carbonate metasedimentary rocks and calcareous till produce hard water

Other Maine Water Reports

Waterville

≈ 0–60 mg/L

🟢 Soft

Brunswick

≈ 120–179 mg/L

🟠 Hard

Lewiston

≈ 120–179 mg/L

🟠 Hard

Auburn

≈ 0–60 mg/L

🟢 Soft

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Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Augusta's water safe to drink?

Yes. Augusta's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Augusta?

At ≈ 120–179 mg/L (Hard), Augusta's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Augusta compare to the USA average?

The USA national average is 151 mg/L. Augusta (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Augusta is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.