TapGraded
D

LIBERTY UTILITIES NEW YORK - LYNBROOK

Merrick, NY · 220,000 served

LIBERTY UTILITIES NEW YORK - LYNBROOK serves 220,000 people in Merrick, NY. It has 3 health-based violations in the last 5 years. TapGraded gives this system a D.

Score breakdown

Health-based violations (5y)

3

Monitoring violations (5y)

0

Currently unaddressed

0

Overall score

56/100

Violation history (last 5 years)

2023
2024
Health-based Monitoring / reporting

Get alerted when LIBERTY UTILITIES NEW YORK - LYNBROOK gets a violation

We'll only email you about this water system. Unsubscribe anytime.

Lead (Lead and Copper Rule)

EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).

90th-percentile lead sample 4.2 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

PFOS 5.1 ppt over limit
0 ppt EPA MCL: 4 ppt
PFHxS 6.3 ppt
0 ppt EPA MCL: 10 ppt
HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOA (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
PFNA 4.1 ppt
0 ppt EPA MCL: 10 ppt

System details

System type
Community water system
Water source
Ground water
Ownership
Private
Service connections
74,634

Worried about what's in your tap?

See which water filters are certified to remove the contaminants found in your area.

Find a filter that matches your water

Frequently asked questions

Is Merrick, NY tap water safe to drink?

LIBERTY UTILITIES NEW YORK - LYNBROOK has 3 health-based violations in the last 5 years. TapGraded gives this system a D.

Does LIBERTY UTILITIES NEW YORK - LYNBROOK have lead in its water?

The most recent 90th-percentile lead sample is 4.2 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in LIBERTY UTILITIES NEW YORK - LYNBROOK's water?

Yes — PFAS was detected at or above the EPA MCL for 1 of the tracked analytes.

Source: EPA SDWIS/ECHO · Data as of 2026Q2