How does Mott Haven's water compare to the national average?

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

Mott Haven Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.8

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

245.8 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 Mott Haven, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Mott Haven	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 Mott Haven compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Mott Haven, New York	≈ 0–59 mg/L	5.7 ppt	🟢 Soft	reservoir
Melrose, New York	≈ 120–179 mg/L	3.4 ppt	🟠 Hard	reservoir
Harlem, New York	≈ 120–179 mg/L	6 ppt	🟠 Hard	reservoir
East Harlem, New York	≈ 0–60 mg/L	5.2 ppt	🟢 Soft	reservoir
Morrisania, New York	≈ 120–179 mg/L	5.5 ppt	🟠 Hard	groundwater

National Benchmark

How Mott Haven compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Mott Haven	≈ 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 Mott Haven's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 245.8 mg/LpH: 7.8

Mott Haven in the Bronx is served by the New York City Department of Environmental Protection (DEP) water supply system. Water originates from 19 reservoirs and three controlled lakes in the Catskill/Delaware and Croton systems upstate, delivered via the Delaware Aqueduct and Catskill Aqueduct. Treatment occurs at the Hillview Reservoir distribution point in Westchester County, with filtration at the Croton and Catskill systems. The system serves over 9 million people across NYC and surrounding counties, with Mott Haven connected through local distribution mains in Bronx County.

The Catskill/Delaware Watershed spans 1,600 square miles in the Catskill Mountains and Delaware River basin; the Croton Watershed covers 375 square miles in the Hudson Valley. Predominant geology includes Paleozoic metamorphic rocks such as the Fordham Gneiss and Hartland Formation, with granitic intrusions and minimal carbonate rock. This crystalline bedrock yields naturally soft water, as rainwater percolating through acidic soils and fractured rock dissolves few hardness ions, and the protected forested watersheds prevent agricultural runoff that would otherwise add minerals.

As a soft water supply, Mott Haven experiences minimal scale buildup in pipes and appliances, reducing maintenance needs for water heaters, dishwashers, and washing machines. Soap lathers easily and skin feels less dry than in harder water areas. No water softener is required — softeners could over-mineralize already low-calcium water. NYC DEP water typically has a pH of 7.0–7.8 and meets all federal standards; PFAS levels are below advisory limits following granular activated carbon upgrades, and treatment includes ozonation, chlorination, and fluoridation.

Geology & Source: Catskill/Delaware and Croton watersheds — Devonian and Ordovician metamorphic schists, gneisses, granites of Reading Prong and Manhattan Prong; minimal limestone yields naturally soft water low in dissolved minerals

Other New York Water Reports

Melrose

≈ 120–179 mg/L

🟠 Hard

Harlem

≈ 120–179 mg/L

🟠 Hard

East Harlem

≈ 0–60 mg/L

🟢 Soft

Morrisania

≈ 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 Mott Haven's water safe to drink?

Yes. Mott Haven'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 Mott Haven?

Mott Haven'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 Mott Haven compare to the USA average?

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