How does North Logan's water compare to the national average?

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

North Logan Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

mixed

pH Level

7.7

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

307 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 North Logan, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In North Logan	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 North Logan compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ North Logan, Utah	≈ 120–179 mg/L	4.7 ppt	🟠 Hard	mixed
Logan, Utah	≈ 180+ mg/L	2.9 ppt	🔴 Very Hard	groundwater
Smithfield, Utah	137 mg/L	0 ppt	🟠 Hard	groundwater
Brigham City, Utah	291 mg/L	0 ppt	🔴 Very Hard	reservoir
North Ogden, Utah	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater

National Benchmark

How North Logan compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ North Logan	≈ 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 North Logan's Water Unique?

Local geology and source profile

Source: MixedTDS: 307 mg/LpH: 7.7

North Logan City Water Department provides water to residents and businesses in North Logan, Cache County, Utah. Their supply originates from a mix of groundwater wells and surface water drawn from the Cache Valley watershed. Water undergoes treatment at local facilities to meet strict EPA and state drinking water standards before reaching consumers.

The Cache Valley watershed sits atop Paleozoic limestone, dolomite, and sandstone. Younger alluvial and lacustrine deposits also cover the valley floor. As water flows through the soil and bedrock, it naturally dissolves minerals, particularly calcium and magnesium, from these carbonate-rich rocks. This common geological characteristic in northern Utah results in the characteristically hard water found throughout the Cache Valley region.

Homeowners might notice scale buildup on fixtures, in pipes, and especially within water heaters and dishwashers. Less lather from soaps and detergents is another common sign. To combat these effects and protect appliances, installing a water softener is often recommended. Simple measures like descaling fixtures can also help manage the impact of hard water. North Logan City Water Department ensures water safety through rigorous treatment and disinfection, adhering to all federal and state regulations.

Geology & Source: Cache Valley; Paleozoic limestone and dolomite formations dissolved by water; produces hard water

Other Utah Water Reports

Logan

≈ 180+ mg/L

🔴 Very Hard

Smithfield

137 mg/L

🟠 Hard

Brigham City

291 mg/L

🔴 Very Hard

North Ogden

≈ 180+ mg/L

🔴 Very 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 North Logan's water safe to drink?

Yes. North Logan'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 North Logan?

At ≈ 120–179 mg/L (Hard), North Logan'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 North Logan compare to the USA average?

The USA national average is 151 mg/L. North Logan (≈ 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 North Logan 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.