What contaminants are in Roslyn Heights's water?

Roslyn Heights's water utility tests for 285 different contaminants. Currently, 2 contaminants are above EPA MCLGs. You can view detailed information about each contaminant, including test results, health effects, and comparisons to EPA MCLGs in the sections above.

Do I need a water filter in Roslyn Heights?

Yes, we recommend using a water filter in Roslyn Heights. With 2 contaminants above EPA MCLGs, a certified water filter can reduce your exposure to these substances. Look for filters certified for NSF-53 (health effects) or NSF-58 (reverse osmosis) that specifically remove the contaminants found in your water.

Does Roslyn Heights have any water quality violations?

WA OF WESTERN NASSAU currently has no reported Maximum Contaminant Level (MCL) violations, meaning the water meets all federal legal limits. However, health-based guidelines are often more protective than legal limits, which is why we compare test results to EPA MCLG Levels on this page.

Why does Roslyn Heights's water taste like chlorine?

WA OF WESTERN NASSAU uses hypochlorite to disinfect the water and kill harmful bacteria and viruses. While chlorine is essential for public health, it can affect the taste and smell of your water. A simple activated carbon filter (like a pitcher filter or faucet mount) can effectively remove chlorine and improve taste.

Is Roslyn Heights's water hard or soft?

Roslyn Heights's water has 55.2 PPM average hardness. Soft water is generally easier on plumbing and appliances, and requires less soap for cleaning.

What are the main contaminants in Roslyn Heights tap water?

The main contaminants of concern in Roslyn Heights's tap water include Perfluorooctanoic acid, Bromodichloromethane. These substances were found above EPA health-based guidelines. You can view detailed information about each contaminant, including health effects and recommended filters, in the contaminants section above.

Can you drink tap water in Roslyn Heights?

While you can technically drink tap water in Roslyn Heights as it meets legal requirements, 2 contaminants are above EPA health guidelines. We recommend using a certified water filter for optimal protection, especially for vulnerable individuals.

How often is Roslyn Heights's water tested?

WA OF WESTERN NASSAU is required by federal law to test water quality regularly. The frequency depends on the contaminant - some are tested daily (like bacteria), while others are tested monthly, quarterly, or annually. The test results shown on this page are from the most recent testing period reported to the EPA.

Where does Roslyn Heights's tap water come from?

Roslyn Heights's drinking water comes from groundwater. Groundwater sources like wells and aquifers often have natural filtration through soil and rock layers. The utility treats this water using air stripping before distribution.

What is the overall water quality in Roslyn Heights?

Roslyn Heights has 2 contaminants above EPA health guidelines (MCLGs) out of 285+ tested. While meeting federal legal limits (MCLs), the presence of contaminants above health-based guidelines suggests that using a certified water filter could provide additional protection, especially for sensitive populations.

What are the most common contaminants detected in Roslyn Heights water?

The most commonly detected contaminants in Roslyn Heights water include: Perfluorooctanoic acid, Bromodichloromethane, pH, Total Dissolved Solids, Chloride. Of these, 2 exceed EPA health guidelines. These contaminants are regularly monitored by WA OF WESTERN NASSAU and reported to the EPA. View the detailed contaminant section above for specific levels and health information.

Roslyn Heights Tap Water Quality Report

Roslyn Heights's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.

Utilities

3 Utilities

People Served

136,400

MCL Violations

Last Updated

2025-10-15

Is Roslyn Heights Tap Water Safe to Drink?

Roslyn Heights's water has 2 contaminants above EPA health-based guidelines (MCLGs). While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.

The data below shows test results from 3 water utilities serving 136,400 people in the Roslyn Heights area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2025-10-15.

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Roslyn Heights Water Service Areas

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Recommended Water Filters for Roslyn Heights

Based on Roslyn Heights's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Our Pick

EDITOR'S CHOICE

BEST BUDGET

Culligan

ZeroWater

24.99

NSF Certified:

NSF-42

NSF-53

NSF-401

NSF-372

Flow Rate

1.9 gpm

Daily Production

1 gpd

Removes 19 contaminants:

Nitrate, Copper, Zinc, Barium, Sulfate +14 more

View Details

Best Value

EDITOR'S CHOICE

BEST BUDGET

Santevia

19.99

NSF Certified:

NSF-42

NSF-53

Flow Rate

0.36 gpm

Removes 1 contaminants:

Chlorine

View Details

Highly Rated

Waterdrop

N/A

(65 reviews)

39.99

NSF Certified:

NSF-42

NSF-53

Flow Rate

1 gpm

Removes 5 contaminants:

Various, Chlorine, Heavy metals, Fluoride, Bacteria

View Details

Highly Rated

BEST LEAD REMOVAL

Whirlpool Corporation

W11256135

(40,578 reviews)

NSF Certified:

NSF-401

NSF-42

NSF-53

Capacity

1001 gal

Filter Life

3 mo

Flow Rate

0.7 gpm

Removes 19 contaminants:

1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more

View Details

Browse All Water Filter Types

Test Your Water Quality

Professional laboratory testing provides accurate, detailed analysis of your drinking water.

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SimpleLab

Standard Home Water Test

$232

Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

(209 reviews)

7-10 days

200+ tested

EPA Certified

Tests 200+ contaminants

EPA-certified laboratory

Easy mail-in sample collection

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SimpleLab

Advanced Home Water Test

$369

Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.

(19 reviews)

7-10 days

300+ tested

EPA Certified

Tests 300+ parameters

Most thorough analysis available

EPA-certified laboratory

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Tap Score

PFAS Forever Chemicals Test

$239

Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.

(24 reviews)

7-10 days

26+ tested

EPA Certified

Tests for 26 PFAS compounds

Detects down to EPA's 4 ppt limit

Critical for high-risk areas

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EPA-Certified Labs

7-10 Day Results

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Frequently Asked Questions About Roslyn Heights Tap Water

Roslyn Heights's water has 2 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.

Roslyn Heights Tap Water Quality Report

Is Roslyn Heights Tap Water Safe to Drink?

Roslyn Heights Water Service Areas

Recommended Water Filters for Roslyn Heights

ZeroWater

N/A

W11256135

Browse All Water Filter Types

Test Your Water Quality

Standard Home Water Test

Advanced Home Water Test

PFAS Forever Chemicals Test

Frequently Asked Questions About Roslyn Heights Tap Water

Is Roslyn Heights tap water safe to drink?

What contaminants are in Roslyn Heights's water?

Do I need a water filter in Roslyn Heights?

Does Roslyn Heights have any water quality violations?

Why does Roslyn Heights's water taste like chlorine?

Is Roslyn Heights's water hard or soft?

What are the main contaminants in Roslyn Heights tap water?

Can you drink tap water in Roslyn Heights?

How often is Roslyn Heights's water tested?

Where does Roslyn Heights's tap water come from?

What is the overall water quality in Roslyn Heights?

What are the most common contaminants detected in Roslyn Heights water?

Stay Informed About Your Water Quality