Independent reviews. Honest opinions. Affiliate links disclosed.
Water Quality Directory/New York
US · Municipal Telemetry

New York Tap Water Quality & Hardness Audit

New York City tap water originates from protected mountain watersheds in the Catskill, Delaware, and Croton systems, featuring low mineral accumulation and soft, clean water profile.

Total Mineral Concentration
50PPM (mg/L)
Category: Soft Water
Skin Vulnerability
3.2 / 10
pH Index
7.2

Check Your Neighborhood / Postal Code Hardness

Enter your zip/pincode or local area in New York to check targeted mineral levels:

Sample Zone Telemetry in New York
Manhattan (Upper East Side)
10021 · 48 PPM
Brooklyn (Williamsburg)
11211 · 52 PPM
Queens (Astoria)
11102 · 50 PPM
SoHo
10012 · 46 PPM

Geological & Mineral Composition Breakdown

Calcium Concentration (Ca²⁺)
14 mg/L

Primary driver of insoluble soap scum formation on face and scalp.

Magnesium Concentration (Mg²⁺)
3 mg/L

Contributes to epidermal moisture loss and barrier inflammation.

Average Temperature & Humidity
16°C · 65%

Regional climate factor affecting perspiration and TEWL rates.

Geological & Water Source Note: Mountain granite bedrock filtering produces soft water with minimal calcium residue, making gentle surfactant cleansers highly effective without mineral buildup.
Dermatologist Action Plan

How to Shield Your Skin in New York

STEP 1 · PURIFY

Cetaphil Gentle Hydrating Cleanser

Contains EDTA & Glycerin to bind calcium & magnesium ions before they form soap scum on skin.

Chelating & Soap-Free$5
View on Amazon →
STEP 2 · REPLENISH

Minimalist 5% Marula Oil & Ceramide Cream

Formulated with 5 Ceramides & Marula oil to repair intercellular lipid loss caused by mineral salt drying.

Barrier Lipid Shield$7
View on Amazon →
STEP 3 · PROTECT

Minimalist Fluid Sunscreen SPF 50 PA++++

Lightweight Niacinamide fluid shield protecting against mineral inflammation and oxidative humidity stress.

SPF 50 Protection$6
View on Amazon →