New Jersey Water Quality

Drinking water data for all 21 counties.

Avg Water Score

99.9

State Grade

A

Counties with Data

21

of 21 total

All New Jersey Counties

CountyWater Score
Atlantic County100.0
Bergen County100.0
Burlington County100.0
Camden County100.0
Cape May County100.0
Essex County100.0
Gloucester County100.0
Hudson County100.0
Mercer County100.0
Middlesex County100.0
Monmouth County100.0
Ocean County100.0
Somerset County100.0
Union County100.0
Warren County100.0
Morris County99.9
Passaic County99.9
Cumberland County99.7
Hunterdon County99.7
Sussex County99.7
Salem County99.5

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Data Source

Water quality data sourced from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

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