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

The USA national average is 151 mg/L. Berkley (≈ 0–59 mg/L) is 121 mg/L softer than average.

Berkley Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.5

neutral = 7.0

Lead

0.003 mg/L

✓ Below action level

TDS

147.7 mg/L

Est. Daily Cost

$0.08

energy & soap waste

Source: See methodology section below · Updated 2026

soft~0–59 mg/LSoft · 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 Berkley, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Berkley	Soft Water City	Efficiency Loss
Kettle	8.2 yrs	8.5 yrs	-4%
Washing Machine	11.5 yrs	12 yrs	-4%
Water Heater	14.4 yrs	15 yrs	-4%

Regional Water Comparison

How Berkley compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Berkley, Colorado	≈ 0–59 mg/L	3 ppt	🟢 Soft	reservoir
Westminster, Colorado	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Sherrelwood, Colorado	≈ 120–179 mg/L	5.6 ppt	🟠 Hard	reservoir
Federal Heights, Colorado	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Arvada, Colorado	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir

National Benchmark

How Berkley compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Berkley	≈ 0–59 mg/L	🟢 None
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Berkley's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 147.7 mg/LpH: 7.5

Adams County draws its water supply from Dillon Reservoir, part of the Denver Water system. This reservoir is a primary source for the region, feeding into the South Platte watershed which serves residents in Adams County, north-central Colorado. The water undergoes treatment before distribution to ensure it meets safety standards for consumption. The specific treatment plants involved in processing water from Dillon Reservoir for Adams County are not detailed in the provided information.

The geology influencing the water quality in Adams County is characterized by Precambrian Front Range Granite and Cretaceous Pierre Shale. The granite is largely insoluble, contributing little to mineral content. However, the Pierre Shale is described as slightly calcareous, meaning it contains some calcium carbonate. Despite this, the combination of these rock types, particularly the dominant granite, results in a soft water profile for the South Platte watershed supply.

Homeowners in areas supplied by this Front Range Granite and Pierre Shale geology might notice that soft water doesn't produce as many soap suds as expected, which is a common characteristic. It also means less scale buildup in appliances like coffee makers and water heaters, potentially extending their lifespan. While generally good for plumbing and appliances, very soft water can sometimes have a slightly different taste compared to harder water. If you prefer a different taste profile, consider options for remineralization, though this is rarely necessary for health or appliance function.

Geology & Source: Front Range Granite (insoluble); Pierre Shale (slightly calcareous) produce soft water

Other Colorado Water Reports

Westminster

≈ 120–179 mg/L

🟠 Hard

Sherrelwood

≈ 120–179 mg/L

🟠 Hard

Federal Heights

≈ 120–179 mg/L

🟠 Hard

Arvada

≈ 120–179 mg/L

🟠 Hard

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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 Berkley's water safe to drink?

Yes. Berkley's water meets all federal safety standards. The hardness is ≈ 0–59 mg/L (Soft), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Berkley?

Berkley's water is soft at ≈ 0–59 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.

How does Berkley compare to the USA average?

The USA national average is 151 mg/L. Berkley (≈ 0–59 mg/L) is 121 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 Berkley 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.