MyCleanWater

Merrick, New York Water Quality Report

Water quality data for 12 water systems serving 372,655 people.

60
Fair
out of 100

Water Source

12
Water Systems
373K
People Served
Ground water, Surface water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium139.0 No federal limit10.0 ug/L(EPA/USGS HBSL)
1390%
Above guideline
PFHxS0.006 0.010 ug/L0.001 ug/L(EWG)
63%
Within limit
PFNA0.004 0.010 ug/L—
41%
Within limit
PFOS0.005 0.004 ug/L0.300 ug/L(EWG)
128%
Above limit

Recommended Water Filters

Based on the contaminants detected in your water supply, these filtration systems are recommended:

Reverse Osmosis (RO)

Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.

Up to 99% PFAS removal

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Compliance & Violations

Active Violations (19)

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Resolved Violations (481)

59

Jul 1, 2024 — Dec 31, 2024

critical

59

Jul 1, 2024 — Dec 31, 2024

critical

59

Jul 1, 2024 — Dec 31, 2024

critical

59

Jul 1, 2024 — Dec 31, 2024

critical

59

Jul 1, 2024 — Dec 31, 2024

critical

+ 476 more resolved violations

Frequently Asked Questions

Is Merrick tap water safe to drink?

Merrick's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.

What contaminants are in Merrick tap water?

4 contaminants have been detected in Merrick's water supply across 12 water systems. See the full contaminant table above for details.

How can I improve my water quality in Merrick?

Install a water filter rated for the specific contaminants found in Merrick's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Merrick have any water quality violations?

Yes, Merrick currently has 41 active violations. See the violations section above for details.