How does Cypress Hills's water compare to the national average?

The USA national average is 151 mg/L. Cypress Hills (≈ 0–59 mg/L) is 121 mg/L softer than average.

Cypress Hills Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.7

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

196.9 mg/L

Est. Daily Cost

$0.08

energy & soap waste

Source: See methodology section below · Updated 2026

soft~0–59 mg/LSoft · 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 Cypress Hills, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Cypress Hills	Soft Water City	Efficiency Loss
Kettle	8.2 yrs	8.5 yrs	-4%
Washing Machine	11.5 yrs	12 yrs	-4%
Water Heater	14.4 yrs	15 yrs	-4%

Regional Water Comparison

How Cypress Hills compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Cypress Hills, New York	≈ 0–59 mg/L	5 ppt	🟢 Soft	reservoir
East New York, New York	≈ 0–60 mg/L	8.3 ppt	🟢 Soft	reservoir
Glendale, New York	≈ 120–179 mg/L	8.5 ppt	🟠 Hard	reservoir
Ridgewood, New York	1.8 mg/L	7.9 ppt	🟢 Soft	reservoir
Bushwick, New York	≈ 120–179 mg/L	8.5 ppt	🟠 Hard	reservoir

National Benchmark

How Cypress Hills compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Cypress Hills	≈ 0–59 mg/L	🟢 None
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Cypress Hills's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 196.9 mg/LpH: 7.7

Cypress Hills, located in Brooklyn, New York, is served by the New York City Department of Environmental Protection (DEP), the municipal utility providing drinking water to all five boroughs. The primary sources are the Catskill/Delaware watershed (approximately 90% of supply) and the Croton watershed (approximately 10%), with water collected in 19 reservoirs and three controlled lakes upstate. Treatment occurs at the Catskill Delaware Ultraviolet (CDUV) facility via UV disinfection, while Croton water receives conventional filtration and chlorination at the Croton and Hillview plants. The service area covers New York City including Kings County (Brooklyn), with DEP delivering over 1.1 billion gallons daily through 6,000 miles of aqueducts and mains.

The Catskill/Delaware watershed spans 2,000 square miles in the Catskill Mountains and Delaware River basin, featuring glacial till, forested soils, and Devonian-age shales and sandstones that limit mineral pickup. The Croton watershed (375 square miles) includes Hudson Valley highlands with metamorphic schists and some limestone outcrops. This geology produces naturally soft water from Catskill/Delaware sources due to low weathering of calcium-bearing rocks, blended occasionally with moderately mineralised Croton supply, while protected forests and reservoirs ensure pristine natural filtration.

As soft water, Cypress Hills' supply minimises scale buildup in pipes, water heaters, and dishwashers, extending appliance life and reducing energy costs. Faucets and kettles experience little limescale, and laundry detergents lather efficiently. No softener is needed; residents should focus on periodic descaling only if trace minerals increase from blending. NYC DEP water consistently meets EPA standards, with pH typically 6.8–8.0 and lead and copper compliance maintained via optimal orthophosphate dosing. Treatment is primarily UV disinfection with chloramine residual, and no widespread PFAS exceedances have been reported in recent Consumer Confidence Reports.

Geology & Source: Catskill/Delaware watershed — Devonian-Silurian shales and sandstones with metamorphic schists; minimal carbonate content limits calcium and magnesium pickup; Croton watershed adds small limestone influence; blended supply is naturally soft

Other New York Water Reports

East New York

≈ 0–60 mg/L

🟢 Soft

Glendale

≈ 120–179 mg/L

🟠 Hard

Ridgewood

1.8 mg/L

🟢 Soft

Bushwick

≈ 120–179 mg/L

🟠 Hard

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Frequently Asked Questions

Is Cypress Hills's water safe to drink?

Yes. Cypress Hills's water meets all federal safety standards. The hardness is ≈ 0–59 mg/L (Soft), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Cypress Hills?

Cypress Hills's water is soft at ≈ 0–59 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.

How does Cypress Hills compare to the USA average?

The USA national average is 151 mg/L. Cypress Hills (≈ 0–59 mg/L) is 121 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 Cypress Hills 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.