Ctwc - Shoreline Region-Masons Island

Stonington, CT
CT1370051
People Served
445
Water Source
Surface Water
Counties
New London County
Data from
2023
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Contaminants Exceeding Limits

No contaminants have exceeded the guideline limits in the last year.

    Other Contaminants Detected

    The following contaminants have been detected, but not exceeded the guideline limits in the last year.

    Barium

    Avg:0.031 ppm
    Limit:2.000 ppm

    Chloride

    Avg:18.750 ppm
    Limit:-

    Combined Chlorine

    Avg:0.700 ppm
    Limit:-

    Combined Radium (-226 & -228)

    Avg:1.340 pci/l
    Limit:5.000 pci/l

    Combined Uranium

    Avg:4.200 ppb
    Limit:30.000 ppb

    Copper

    Avg:0.205 ppm
    Limit:1.300 ppm
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    Contaminants tested