Delaware Water Quality
39 ZIP codes analyzed across 34 cities. Average water quality score: 73/100 (national average: 50/100).
Dover
3 ZIPs
B
Wilmington
3 ZIPs
B
Newark
2 ZIPs
A
Bear
1 ZIP
A
Bethany Beach
1 ZIP
A
Bridgeville
1 ZIP
A
Camden Wyoming
1 ZIP
B
Claymont
1 ZIP
B
Dagsboro
1 ZIP
A
Delmar
1 ZIP
A
Felton
1 ZIP
B
Frankford
1 ZIP
A
Frederica
1 ZIP
C
Georgetown
1 ZIP
C
Greenwood
1 ZIP
A
Harrington
1 ZIP
A
Hartly
1 ZIP
B
Hockessin
1 ZIP
B
Kenton
1 ZIP
C
Laurel
1 ZIP
B
Lewes
1 ZIP
A
Magnolia
1 ZIP
B
Middletown
1 ZIP
A
Milford
1 ZIP
A
Millsboro
1 ZIP
C
Milton
1 ZIP
B
Nassau
1 ZIP
D
New Castle
1 ZIP
A
Ocean View
1 ZIP
C
Rehoboth Beach
1 ZIP
B
Seaford
1 ZIP
B
Selbyville
1 ZIP
B
Smyrna
1 ZIP
B
Winterthur
1 ZIP
A