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East Norriton Water Hardness & Quality Report (2026)

Water Hardness

110.5mg/L
Moderately Hard

6.5 grains per gallon

Source

reservoir

pH Level

7.6

neutral = 7.0

Lead

0.002 mg/L

βœ“ Below action level

TDS

190.5 mg/L

Est. Daily Cost

$0.29

energy & soap waste

Source: USGS Water Quality Portal Β· Updated 2026

110.5mg/L as CaCO₃Moderately Hard

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 East Norriton, your appliances are currently losing 15% efficiency due to mineral buildup.

ApplianceIn East NorritonSoft Water CityEfficiency Loss
Kettle
6 yrs
8.5 yrs-29%
Washing Machine
9.5 yrs
12 yrs-21%
Water Heater
11.2 yrs
15 yrs-25%
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Regional Water Comparison

How East Norriton compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά East Norriton, Pennsylvania110.5 mg/L5.5 ppt🟑 Moderately Hardreservoir
Norristown, Pennsylvania203.5 mg/L10.5 pptπŸ”΄ Very Hardreservoir
West Norriton, Pennsylvania195 mg/L10 pptπŸ”΄ Very Hardreservoir
King of Prussia, Pennsylvania91 mg/L4.5 ppt🟑 Moderately Hardreservoir
Lansdale, Pennsylvania140.5 mg/L7.1 ppt🟠 Hardreservoir

National Benchmark

How East Norriton compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά East Norriton110.5 mg/L🟑 Low
USA National Avg150 mg/L🟠 Moderate
Badger Top Rated8.5 mg/L🟒 None

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What Makes East Norriton's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 190.5 mg/LpH: 7.6

East Norriton, Pennsylvania, in Montgomery County β€” a Montgomery County township adjacent to Norristown and Blue Bell in the northwest Philadelphia suburbs β€” receives its water from Pennsylvania American Water, drawing from the Schuylkill River (Montgomery County) through the northwest Philadelphia metro distribution.

The moderately hard 110.5 mg/L hardness and TDS of 190.5 mg/L reflect the southeast Pennsylvania Montgomery County Schuylkill River supply's moderate calcareous character β€” reflecting the Schuylkill River's passage through the Cambrian Kinzers and Vintage Limestones of the Reading Prong transition zone on its way to Norristown, contributing moderate calcareous dissolution. The Schuylkill River at Montgomery County β€” Cambrian Kinzers and Vintage Limestones (calcareous β€” primary hardness contributor), Precambrian Reading Prong gneiss (insoluble β€” dilutant), and Cambrian Chickies Quartzite (insoluble β€” dilutant).

At 110.5 mg/L, East Norriton's water is moderately hard β€” scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 5.5 ppt warrants a certified drinking water filter β€” the Montgomery County northwest Philadelphia suburban industrial corridor contribute to East Norriton's readings.

Geology & Source: East Norriton in Montgomery County draws from the Pennsylvania American Water on Schuylkill River via the Norristown plant (Montgomery County, southeast Pennsylvania) β€” the Schuylkill at Montgomery County drains the Reading Prong (Precambrian Hexenkopf Gneiss β€” insoluble) and Cambrian Chickies Quartzite (insoluble) β€” Pennsylvania Montgomery County Schuylkill River Precambrian-Cambrian watershed produces moderately hard water at 110.5 mg/L with TDS 190.5 mg/L.

Other Pennsylvania Water Reports

Frequently Asked Questions

Is East Norriton's water safe to drink?
Yes. East Norriton's water meets all federal safety standards. The hardness is 110.5 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 East Norriton?
East Norriton's water is moderately hard at 110.5 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.
How does East Norriton compare to the USA average?
The USA national average is 150 mg/L. East Norriton at 110.5 mg/L is 39 mg/L below the national average. The softest major city is Badger at just 8.5 mg/L.
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