Tap Water Quality Report for Southold, New York

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Southold, New York tap water has 52 total contaminants, with 0 being above EPA standards and 15 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (3)

3 water systems serve Southold, New York. Select one or more to filter the data below.

SUFFOLK COUNTY WATER AUTHORITY
Public Water System ID:NY5110526
Population Served:1,100,000
Primary Source:Ground water
Last Updated:Dec 23, 2024
Contact:
GREENPORT WATER DISTRICT
Public Water System ID:NY5103703
Population Served:2,050
Primary Source:Ground water purchased
Last Updated:Dec 23, 2024
Contact:
FISHERS ISLAND WATER WORKS
Public Water System ID:NY5103294
Population Served:300
Primary Source:Surface water
Last Updated:Dec 23, 2024
Contact:

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Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).