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

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

Peekskill Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.7

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

338.8 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 Peekskill, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Peekskill	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 Peekskill compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Peekskill, New York	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Cortlandt Manor, New York	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Stony Point, New York	≈ 120–179 mg/L	4.4 ppt	🟠 Hard	groundwater
Haverstraw, New York	≈ 120–179 mg/L	6.4 ppt	🟠 Hard	groundwater
West Haverstraw, New York	≈ 120–179 mg/L	7.2 ppt	🟠 Hard	groundwater

National Benchmark

How Peekskill compares to the USA average

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

Local geology and source profile

Source: ReservoirTDS: 338.8 mg/LpH: 7.7

The City of Peekskill Water Department serves approximately 53,246 residents in Peekskill, New York (Westchester County). The utility operates two surface water sources, both originating within the Town of Putnam Area and flowing into a treatment system managed by the Water & Sewer Superintendent. The primary water treatment facility is located at 840 Main Street, Peekskill, NY 10566. The system operates an 8-mgd (million gallons per day) treatment plant designed by Hazen and Sawyer to meet current and future regional demand.

Peekskill's water supply originates from surface water sources in the Hudson Valley watershed system. The region's geology includes Precambrian metamorphic bedrock overlain by Paleozoic sedimentary formations characteristic of the lower Hudson Valley. These geological formations contribute dissolved minerals to the surface water, resulting in a moderately hard supply. The Hudson River estuary at Peekskill (USGS monitoring site USGS-01374310) is maintained by the USGS New York Water Science Center for ongoing water quality assessment.

The moderately hard character means residents may experience moderate scale buildup in water heaters, dishwashers, and washing machines, and showerheads and faucet aerators may accumulate mineral deposits over time. A water softener is not strictly necessary but many households find one beneficial for reducing soap scum, improving lather, and extending appliance lifespan. Regular vinegar soaks for showerheads and descaling of kettles help manage hardness effects. The system complies with all federal and state regulations; detailed data are available in the annual Consumer Confidence Report from the City of Peekskill Water Department.

Geology & Source: Hudson Valley watershed; Precambrian metamorphic bedrock and Paleozoic sedimentary formations — dissolved minerals from surface water sources in Town of Putnam Area produce moderately hard supply

Other New York Water Reports

Cortlandt Manor

≈ 120–179 mg/L

🟠 Hard

Stony Point

≈ 120–179 mg/L

🟠 Hard

Haverstraw

≈ 120–179 mg/L

🟠 Hard

West Haverstraw

≈ 120–179 mg/L

🟠 Hard

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All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Peekskill's water safe to drink?

Yes. Peekskill'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 Peekskill?

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

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