Suffolk County Water Authority
2024 Supplemental Report

(For Calendar Year of 2023)





This Supplemental Report contains raw water quality information from each of our 242
wellfields. The range of data presented here shows the lowest value, the highest value,
and the average value for a detected analyte, as well as the total number of tests done
at each wellfield. These values represent an average of all the individual wells at each
wellfield. For a list of analytes we tested for but were not detected, click the Negative
Analytes button below.

TOWN

WELL FIELD

Pick Your Town from the List: