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

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

Haddington Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

8.4

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

519.7 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 Haddington, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Haddington	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 Haddington compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Haddington, Pennsylvania	≈ 120–179 mg/L	10.5 ppt	🟠 Hard	reservoir
Carroll Park, Pennsylvania	≈ 120–179 mg/L	6.5 ppt	🟠 Hard	reservoir
Cobbs Creek, Pennsylvania	≈ 120–179 mg/L	7.2 ppt	🟠 Hard	reservoir
Overbrook, Pennsylvania	≈ 120–179 mg/L	8.1 ppt	🟠 Hard	reservoir
Kingsessing, Pennsylvania	≈ 120–179 mg/L	4.8 ppt	🟠 Hard	reservoir

National Benchmark

How Haddington compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Haddington	≈ 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 Haddington's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 519.7 mg/LpH: 8.4

Haddington, a neighborhood in West Philadelphia, Pennsylvania, receives its drinking water from the Philadelphia Water Department (PWD), the municipal utility serving the city and surrounding areas. The primary source is surface water from the Schuylkill River, drawn from upstream reservoirs including Queen Lane Reservoir, Belmont Reservoir, and Wynnefield Reservoir, after treatment at the Queen Lane and Belmont Water Treatment Plants. PWD serves Philadelphia County, delivering to over 1.7 million residents across 130 square miles; Haddington falls under PWD's extensive distribution network with no dedicated neighborhood-level utility.

The Schuylkill River watershed spans 2,100 square miles across southeastern Pennsylvania, originating in Schuylkill County. Upstream, the river traverses the Appalachian Valley and Ridge with Paleozoic limestone, dolomite, and shale formations that dissolve to impart minerals, while the Piedmont Upland features Precambrian gneiss, schist, and serpentinite with limited carbonate influence but fracture flow adding ions. This mixed geology yields a hard supply with naturally elevated calcium and magnesium from rock weathering; PWD relies predominantly on treated river water rather than a direct aquifer tap.

Hard water leads to scale buildup in pipes, water heaters, dishwashers, and washing machines, with heaters potentially failing 2–3 times faster without mitigation. Soap lathering is poor, leaving films on skin, hair, and dishes, while spotting occurs on glassware. Regular descaling of fixtures, vinegar soaks for showerheads, and anode rod installation in heaters are recommended; a water softener with a bypass line for drinking water is advised to protect appliances and improve laundry results. PWD maintains pH around 7.5 for corrosion control, meets lead and copper rule requirements, and applies granular activated carbon to address trace PFAS detections; treatment includes coagulation, sedimentation, filtration, UV disinfection, and chloramination.

Geology & Source: Schuylkill River watershed — Precambrian Piedmont gneiss, schist, quartzite and Paleozoic Appalachian limestone and dolomite; carbonate rock weathering dissolves calcium and magnesium into surface water, producing hard supply

Other Pennsylvania Water Reports

Carroll Park

≈ 120–179 mg/L

🟠 Hard

Cobbs Creek

≈ 120–179 mg/L

🟠 Hard

Overbrook

≈ 120–179 mg/L

🟠 Hard

Kingsessing

≈ 120–179 mg/L

🟠 Hard

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Frequently Asked Questions

Is Haddington's water safe to drink?

Yes. Haddington'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 Haddington?

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

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