How does Cedar Lake's water compare to the national average?

The USA national average is 151 mg/L. Cedar Lake (≈ 180+ mg/L) is 189 mg/L harder than average.

Cedar Lake Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.9

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

194 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below · Updated 2026

very hard180+ mg/LVery Hard · 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 Cedar Lake, your appliances are currently losing 45% efficiency due to mineral buildup.

Appliance	In Cedar Lake	Soft Water City	Efficiency Loss
Kettle	4.7 yrs	8.5 yrs	-45%
Washing Machine	6.6 yrs	12 yrs	-45%
Water Heater	8.3 yrs	15 yrs	-45%

Regional Water Comparison

How Cedar Lake compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Cedar Lake, Indiana	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater
Saint John, Indiana	≈ 120–179 mg/L	4.7 ppt	🟠 Hard	river
Crown Point, Indiana	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Schererville, Indiana	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Dyer, Indiana	≈ 180+ mg/L	0 ppt	🔴 Very Hard	river

National Benchmark

How Cedar Lake compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Cedar Lake	≈ 180+ mg/L	🔴 High
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Cedar Lake's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 194 mg/LpH: 7.9

Cedar Lake Water Works draws all its drinking water from the Silurian dolomite aquifer, a groundwater source beneath Cedar Lake, Indiana. This aquifer, part of a vast Paleozoic-era carbonate system, underlies northwest Indiana and is known for its mineral content. The utility, serving about 4,600 residents in Lake County, operates out of 8550 Lakeshore Drive. While recent reports mention a 'West Side' treatment or distribution area, the primary supply remains groundwater. Cedar Lake Water Works consistently meets all EPA standards, with no Maximum Contaminant Level (MCL) violations recorded.

The water's journey begins deep underground within the Silurian dolomite aquifer. This geological formation, composed of ancient dolomites and limestones from the Paleozoic era, is characterized by its solubility. As groundwater slowly moves through these bedrock layers, it naturally dissolves minerals, particularly calcium and magnesium. This process, influenced by the region's karst-like geology, is the primary reason for the water's naturally hard character. Unlike many communities, Cedar Lake relies solely on this groundwater, with no significant surface water bodies like rivers or reservoirs contributing to the supply.

This naturally hard water can lead to scale buildup in household appliances such as pipes, water heaters, dishwashers, and washing machines, potentially shortening their lifespan and reducing efficiency. You might also notice that soap and detergents don't lather as easily, requiring you to use more product. Regular cleaning of fixtures and occasional flushing of hot water systems can help manage some of these effects. For many residents, installing a water softener is a practical solution to mitigate scale issues, prolong appliance life, and improve cleaning performance. Cedar Lake Water Works provides comprehensive water quality reports annually, which are available on their website, cedarlakein.gov, detailing detected contaminant levels and treatment processes.

Geology & Source: Silurian dolomite aquifer; limestone and dolomite bedrock; karst-like solubility imparts hard water

Other Indiana Water Reports

Saint John

≈ 120–179 mg/L

🟠 Hard

Crown Point

≈ 120–179 mg/L

🟠 Hard

Schererville

≈ 120–179 mg/L

🟠 Hard

Dyer

≈ 180+ mg/L

🔴 Very Hard

Report an Issue

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 Cedar Lake's water safe to drink?

Yes. Cedar Lake's water meets all federal safety standards. The hardness is ≈ 180+ mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Cedar Lake?

At ≈ 180+ mg/L (Very Hard), Cedar Lake'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 45%.

How does Cedar Lake compare to the USA average?

The USA national average is 151 mg/L. Cedar Lake (≈ 180+ mg/L) is 189 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Cedar Lake 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.