waterbycounty

North Carolina Water Quality

Drinking water data for all 100 counties.

Avg Water Score

99.9

State Grade

A

Counties with Data

100

of 100 total

All North Carolina Counties

CountyWater Score
Alamance County100.0
Alexander County100.0
Alleghany County100.0
Beaufort County100.0
Bertie County100.0
Brunswick County100.0
Burke County100.0
Caldwell County100.0
Camden County100.0
Carteret County100.0
Catawba County100.0
Cleveland County100.0
Craven County100.0
Cumberland County100.0
Currituck County100.0
Dare County100.0
Davidson County100.0
Durham County100.0
Forsyth County100.0
Gates County100.0
Graham County100.0
Granville County100.0
Guilford County100.0
Halifax County100.0
Harnett County100.0
Hertford County100.0
Hoke County100.0
Hyde County100.0
Iredell County100.0
Lenoir County100.0
Lincoln County100.0
Mecklenburg County100.0
New Hanover County100.0
Onslow County100.0
Orange County100.0
Pamlico County100.0
Pasquotank County100.0
Person County100.0
Pitt County100.0
Sampson County100.0
Surry County100.0
Union County100.0
Wake County100.0
Wayne County100.0
Wilkes County100.0
Yancey County100.0
Anson County99.9
Bladen County99.9
Buncombe County99.9
Cabarrus County99.9
Chatham County99.9
Cherokee County99.9
Chowan County99.9
Columbus County99.9
Duplin County99.9
Franklin County99.9
Gaston County99.9
Greene County99.9
Haywood County99.9
Henderson County99.9
Jones County99.9
Lee County99.9
Madison County99.9
Martin County99.9
Mitchell County99.9
Nash County99.9
Perquimans County99.9
Polk County99.9
Robeson County99.9
Rowan County99.9
Rutherford County99.9
Scotland County99.9
Stokes County99.9
Swain County99.9
Tyrrell County99.9
Washington County99.9
Clay County99.8
Davie County99.8
Johnston County99.8
Northampton County99.8
Randolph County99.8
Stanly County99.8
Transylvania County99.8
Wilson County99.8
Yadkin County99.8
Avery County99.7
Jackson County99.7
Watauga County99.7
Ashe County99.6
Edgecombe County99.6
Macon County99.6
McDowell County99.6
Moore County99.6
Rockingham County99.6
Vance County99.6
Richmond County99.5
Warren County99.5
Pender County99.4
Montgomery County98.7
Caswell County97.3

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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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