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

The USA national average is 151 mg/L. Logan (≈ 60–119 mg/L) is 61 mg/L softer than average.

Logan Water Hardness & Quality Report (2026)

Water Hardness

moderately hard

~60–119 mg/L

Moderately Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.5

neutral = 7.0

Lead

0.001 mg/L

✓ Below action level

TDS

135.4 mg/L

Est. Daily Cost

$0.24

energy & soap waste

Source: See methodology section below · Updated 2026

moderately hard~60–119 mg/LModerately 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 Logan, your appliances are currently losing 12% efficiency due to mineral buildup.

Appliance	In Logan	Soft Water City	Efficiency Loss
Kettle	7.5 yrs	8.5 yrs	-12%
Washing Machine	10.6 yrs	12 yrs	-12%
Water Heater	13.2 yrs	15 yrs	-12%

Regional Water Comparison

How Logan compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Logan, Pennsylvania	≈ 60–119 mg/L	4.4 ppt	🟡 Moderately Hard	groundwater
Hunting Park, Pennsylvania	≈ 120–179 mg/L	7.2 ppt	🟠 Hard	reservoir
Nicetown-Tioga, Pennsylvania	≈ 180+ mg/L	10.1 ppt	🔴 Very Hard	reservoir
Ogontz, Pennsylvania	153.5 mg/L	7.8 ppt	🟠 Hard	reservoir
Olney, Pennsylvania	≈ 180+ mg/L	5.9 ppt	🔴 Very Hard	reservoir

National Benchmark

How Logan compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Logan	≈ 60–119 mg/L	🟡 Low
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

Bring Scarsdale-quality water to your Logan home

Shop water softeners on Amazon.com →

Shop Now

What Makes Logan's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 135.4 mg/LpH: 7.5

Logan is a neighborhood in Philadelphia County, Pennsylvania, served by the Philadelphia Water Department (PWD). The utility draws surface water from the Schuylkill River and the Delaware River, treating both sources at regional facilities before distribution throughout Philadelphia, including Logan. No specific treatment plant details are available for this neighborhood in the source data; residents may consult PWD's annual Consumer Confidence Report for full service and source information.

The Schuylkill River watershed drains the Reading Prong (Precambrian Grenville gneiss) and Valley and Ridge carbonate zones of eastern Pennsylvania, while the Delaware River drains the Catskills and New Jersey Highlands. This mixed Piedmont and Appalachian watershed — combining crystalline gneiss drainage with carbonate rock influence — produces a moderately soft water supply with relatively low total dissolved solids, characteristic of the North Philadelphia area's blended river source chemistry.

Moderately soft water produces minimal scale buildup in appliances and pipes, extending the life of water heaters, dishwashers, and plumbing fixtures without requiring a water softener for most households. Soaps and detergents lather more readily, and descaling maintenance needs are low. Residents with concerns about specific contaminants or detailed water chemistry for Logan are advised to consult the Philadelphia Water Department's annual Consumer Confidence Report or contact PWD directly, as specific contaminant data for this neighborhood was not available in the source material.

Geology & Source: Philadelphia Water Department — Schuylkill River drains Reading Prong Precambrian gneiss and Valley and Ridge carbonates; Delaware River drains Catskills and New Jersey Highlands; mixed Appalachian watershed produces moderately soft water

Other Pennsylvania Water Reports

Hunting Park

≈ 120–179 mg/L

🟠 Hard

Nicetown-Tioga

≈ 180+ mg/L

🔴 Very Hard

Ogontz

153.5 mg/L

🟠 Hard

Olney

≈ 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 Logan's water safe to drink?

Yes. Logan's water meets all federal safety standards. The hardness is ≈ 60–119 mg/L (Moderately Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Logan?

Logan's water is moderately hard at ≈ 60–119 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.

How does Logan compare to the USA average?

The USA national average is 151 mg/L. Logan (≈ 60–119 mg/L) is 61 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 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.