Wyomissing Water Hardness & Quality Report (2026)
Water Hardness
15.3 grains per gallon
Source
reservoir
pH Level
8.1
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
242 mg/L
Est. Daily Cost
$0.70
energy & soap waste
Source: See methodology section below · Updated 2026
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 Wyomissing, your appliances are currently losing 35% efficiency due to mineral buildup.
| Appliance | In Wyomissing | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3.9 yrs | 12 yrs | -68% |
| Water Heater | 5.1 yrs | 15 yrs | -66% |
Regional Water Comparison
How Wyomissing compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Wyomissing, Pennsylvania | 262 mg/L | 66.3 ppt | 🔴 Very Hard | reservoir |
| Reading, Pennsylvania | 144 mg/L | 82.1 ppt | 🟠 Hard | river |
| Ephrata, Pennsylvania | ≈ 120–179 mg/L | 113.3 ppt | 🟠 Hard | reservoir |
| Pottstown, Pennsylvania | ≈ 180+ mg/L | 54.3 ppt | 🔴 Very Hard | reservoir |
| Coatesville, Pennsylvania | 73 mg/L | 8.7 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Wyomissing compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Wyomissing | 262 mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Wyomissing's Water Unique?
Local geology and source profile
Residents of Wyomissing Borough receive their water from American Water, specifically the Pennsylvania American Water Company. This utility sources its supply from both surface and groundwater, drawing from Wyomissing Creek and its connected aquifers. The water undergoes treatment at facilities serving the Shillington, Lower Heidelberg, and Wyomissing Hills areas. American Water regularly publishes its water quality findings through its Pennsylvania division, providing annual reports for consumers.
The Wyomissing Creek watershed is geologically interesting, covering parts of the Reading Prong, a Precambrian metamorphic region, and flowing through Paleozoic rock layers. These layers include significant amounts of limestone and dolomite, which readily dissolve. As water moves through this bedrock, it picks up calcium and magnesium minerals, leading to the very hard water classification characteristic of this southeastern Pennsylvania terrain.
This high level of hardness means you'll likely notice mineral buildup in your pipes, water heaters, and other appliances, which can shorten their lifespan. You might also find that soaps and detergents don't lather as well, requiring you to use more product for cleaning. Scale can become a common sight in kettles and coffee makers. Installing a water softener is a good idea to help combat these issues, potentially saving you money on appliance repairs and improving cleaning efficiency. The utility's latest report also notes risks from agricultural and urban runoff, though lead levels are well within EPA limits.
Geology & Source: Precambrian and Paleozoic carbonate sequences; limestone and dolomite bedrock produce very hard water
Other Pennsylvania Water Reports
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Frequently Asked Questions
Is Wyomissing's water safe to drink?
Do I need a water softener in Wyomissing?
How does Wyomissing compare to the USA average?
Data Sources & Methodology
Water quality data for Wyomissing is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
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.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
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.
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.
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.
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.