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

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

Sunnyside 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 Sunnyside, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Sunnyside	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 Sunnyside compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Sunnyside, New York	≈ 0–59 mg/L	5 ppt	🟢 Soft	reservoir
Long Island City, New York	≈ 120–179 mg/L	5.8 ppt	🟠 Hard	reservoir
Greenpoint, New York	31 mg/L	4.6 ppt	🟢 Soft	reservoir
Maspeth, New York	≈ 120–179 mg/L	8 ppt	🟠 Hard	reservoir
Woodside, New York	≈ 120–179 mg/L	4.3 ppt	🟠 Hard	reservoir

National Benchmark

How Sunnyside compares to the USA average

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

Local geology and source profile

Source: ReservoirTDS: 196.9 mg/LpH: 7.7

New York City Department of Environmental Protection (DEP) provides water to Sunnyside in Queens County, serving over 8 million residents across the five boroughs. Water originates from 19 reservoirs and 3 controlled lakes in the Catskill/Delaware watershed (Hillview Reservoir blending point) and the Croton watershed. Primary sources include the Catskill system (e.g., Ashokan, Schoharie Reservoirs) and Delaware system (e.g., Rondout, Neversink Reservoirs). Treatment occurs at the Catskill/Delaware Ultraviolet Disinfection Facility and Hillview blending, with distribution via aqueducts to city tunnels.

The Catskill/Delaware watershed spans the Catskill Mountains and Delaware River basin in Ulster, Greene, and Delaware Counties, underlain by metamorphic rocks like the Fordham Gneiss and Manhattan Schist (Proterozoic Eon) with minor quartzites. The Croton watershed features similar granitic gneisses and schists of the Reading Prong. Absent are extensive limestone or evaporite deposits that would elevate mineral content — this geology produces very soft to slightly mineralised water, varying by blend proportions, with limited ion exchange from surface waters.

Soft water in Sunnyside means minimal scale buildup on fixtures, extending the life of kettles, coffee makers, and water heaters with little maintenance needed. Soap lathers easily, reducing usage and residue. No water softener is recommended; occasional vinegar rinses suffice for any spots from Croton blends. NYC DEP water meets EPA standards, with pH typically 7.0–8.0; lead and copper rule compliance is strong citywide, though older buildings may need pipe checks. UV treatment added in 2013 enhances disinfection; trace PFAS detected below advisory levels are monitored per NYSDOH.

Geology & Source: Catskill/Delaware watersheds; Precambrian Fordham Gneiss, Manhattan Schist, and Croton Reading Prong granitic gneisses — no limestone or evaporite deposits; minimal ion exchange from forested granitic uplands yields naturally soft water

Other New York Water Reports

Long Island City

≈ 120–179 mg/L

🟠 Hard

Greenpoint

31 mg/L

🟢 Soft

Maspeth

≈ 120–179 mg/L

🟠 Hard

Woodside

≈ 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 Sunnyside's water safe to drink?

Yes. Sunnyside'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 Sunnyside?

Sunnyside'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 Sunnyside compare to the USA average?

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