Limerick Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
328 mg/L
Est. Daily Cost
$0.40
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 Limerick, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Limerick | 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 Limerick compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Limerick, Pennsylvania | ≈ 120–179 mg/L | 9.6 ppt | 🟠 Hard | reservoir |
| Phoenixville, Pennsylvania | ≈ 120–179 mg/L | 222.3 ppt | 🟠 Hard | reservoir |
| Pottstown, Pennsylvania | ≈ 180+ mg/L | 54.3 ppt | 🔴 Very Hard | reservoir |
| West Norriton, Pennsylvania | 288 mg/L | 10 ppt | 🔴 Very Hard | reservoir |
| King of Prussia, Pennsylvania | ≈ 120–179 mg/L | 4.5 ppt | 🟠 Hard | groundwater |
National Benchmark
How Limerick compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Limerick | ≈ 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 Limerick's Water Unique?
Local geology and source profile
Pennsylvania American Water is the utility serving Limerick Township in Montgomery County, Pennsylvania, drawing supply from the Schuylkill River. No specific Consumer Confidence Reports, treatment plant details, or service infrastructure data were accessible from public sources for this township. Official water quality data could not be retrieved; residents seeking current hardness levels, contaminant information, or service details are directed to contact Pennsylvania American Water directly or consult the Pennsylvania Department of Environmental Protection for available water system documentation and annual reports.
The Schuylkill River drains two geologically distinct zones that shape its water chemistry: the Great Valley, underlain by Cambrian Conestoga Limestone, and the Triassic Newark Basin, featuring the Brunswick Formation calcareous redbeds. These carbonate and calcareous rock formations dissolve calcium and magnesium ions into the river water as it flows through the valley, producing a moderately hard water character with elevated total dissolved solids typical of this Cambrian-Triassic calcareous watershed in southeastern Pennsylvania.
Water sourced from this calcareous watershed produces moderate scale buildup in water heaters, dishwashers, and kettles over time, reducing appliance efficiency and increasing maintenance frequency. Soap lathering is somewhat reduced compared to soft-water regions. Regular descaling with vinegar or citric acid solutions helps maintain fixtures and small appliances. A water softener may benefit households noticing persistent spotting on glassware or reduced detergent performance, though specific hardness values and treatment recommendations should be confirmed through current utility reports or direct contact with Pennsylvania American Water.
Geology & Source: Limerick, Montgomery County — Pennsylvania American Water draws from Schuylkill River; Cambrian Conestoga Limestone (Great Valley) and Triassic Newark Basin Brunswick Formation calcareous redbeds produce moderately hard water
Other Pennsylvania Water Reports
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Frequently Asked Questions
Is Limerick's water safe to drink?
Do I need a water softener in Limerick?
How does Limerick compare to the USA average?
Data Sources & Methodology
Water quality data for Limerick 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.