Delaware Water Quality Reports
Comprehensive water quality data for 63 cities across Delaware. View EPA-verified contaminant levels and get filter recommendations.
63
Cities
6
Safe
23
Monitor
34
At Risk
Water Quality by County
Explore aggregated water quality scores across Delaware counties. Scores are calculated based on EPA data and weighted by population.
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Data from 7 cities serving 427,169 people across 3 counties.
Cities in Delaware
Wilmington
People Served440K
Contaminants Tested529
Above Guidelines7
View Report β
New Castle
People Served337K
Contaminants Tested545
Above Guidelines6
View Report β
Wilmington Manor
People Served337K
Contaminants Tested545
Above Guidelines6
View Report β
Elsmere
People Served332K
Contaminants Tested525
Above Guidelines8
View Report β
Hockessin
People Served332K
Contaminants Tested518
Above Guidelines5
View Report β
Brookside
People Served332K
Contaminants Tested367
Above Guidelines5
View Report β
Edgemoor
People Served332K
Contaminants Tested367
Above Guidelines5
View Report β
Greenville
People Served332K
Contaminants Tested367
Above Guidelines5
View Report β
Newport
People Served332K
Contaminants Tested367
Above Guidelines5
View Report β
North Star
People Served332K
Contaminants Tested367
Above Guidelines5
View Report β
Pike Creek Valley
People Served332K
Contaminants Tested367
Above Guidelines5
View Report β
Pike Creek
People Served332K
Contaminants Tested367
Above Guidelines5
View Report β
Glasgow
People Served254K
Contaminants Tested554
Above Guidelines11
View Report β
Newark
People Served238K
Contaminants Tested485
Above Guidelines5
View Report β
Bear
People Served231K
Contaminants Tested190
Above Guidelines3
View Report β
Delaware City
People Served231K
Contaminants Tested190
Above Guidelines3
View Report β
St. Georges
People Served231K
Contaminants Tested190
Above Guidelines3
View Report β
Dover
People Served113K
Contaminants Tested1156
Above Guidelines17
View Report β
Kent Acres
People Served110K
Contaminants Tested413
Above Guidelines7
View Report β
Rodney Village
People Served110K
Contaminants Tested413
Above Guidelines7
View Report β
Bellefonte
People Served100K
Contaminants Tested177
Above Guidelines2
View Report β
Highland Acres
People Served99K
Contaminants Tested316
Above Guidelines5
View Report β
Bethany Beach
People Served62K
Contaminants Tested504
Above Guidelines7
View Report β
Camden
People Served59K
Contaminants Tested174
Above Guidelines2
View Report β
Dover Base Housing
People Served59K
Contaminants Tested174
Above Guidelines2
View Report β
Little Creek
People Served59K
Contaminants Tested174
Above Guidelines2
View Report β
Rising Sun-Lebanon
People Served59K
Contaminants Tested174
Above Guidelines2
View Report β
Wyoming
People Served59K
Contaminants Tested174
Above Guidelines2
View Report β
Ocean View
People Served52K
Contaminants Tested763
Above Guidelines11
View Report β
Millville
People Served40K
Contaminants Tested414
Above Guidelines5
View Report β
South Bethany
People Served37K
Contaminants Tested176
Above Guidelines3
View Report β
Rehoboth Beach
People Served27K
Contaminants Tested318
Above Guidelines2
View Report β
Smyrna
People Served26K
Contaminants Tested590
Above Guidelines8
View Report β
Henlopen Acres
People Served26K
Contaminants Tested325
Above Guidelines4
View Report β
Clayton
People Served20K
Contaminants Tested347
Above Guidelines6
View Report β
Lewes
People Served12K
Contaminants Tested914
Above Guidelines6
View Report β
Long Neck
People Served11K
Contaminants Tested301
Above Guidelines1
View Report β
Middletown
People Served11K
Contaminants Tested946
Above Guidelines13
View Report β
Fenwick Island
People Served10K
Contaminants Tested287
Above Guidelines4
View Report β
Odessa
People Served6K
Contaminants Tested200
Above Guidelines3
View Report β
Milton
People Served4K
Contaminants Tested653
Above Guidelines5
View Report β
Milford
People Served4K
Contaminants Tested498
Above Guidelines3
View Report β
Harrington
People Served4K
Contaminants Tested228
Above Guidelines4
View Report β
Selbyville
People Served4K
Contaminants Tested179
Above Guidelines2
View Report β
Bridgeville
People Served2K
Contaminants Tested20
Above Guidelines8
View Report β
Cheswold
People Served2K
Contaminants Tested395
Above Guidelines6
View Report β
Dagsboro
People Served2K
Contaminants Tested682
Above Guidelines9
View Report β
Felton
People Served2K
Contaminants Tested402
Above Guidelines4
View Report β
Blades
People Served1K
Contaminants Tested20
Above Guidelines5
View Report β
Slaughter Beach
People Served1K
Contaminants Tested160
Above Guidelines0
View Report β
Frederica
People Served1K
Contaminants Tested154
Above Guidelines2
View Report β
Winterthur
People Served1K
Contaminants Tested151
Above Guidelines2
View Report β
Lincoln
People Served1K
Contaminants Tested287
Above Guidelines0
View Report β
Laurel
People Served1K
Contaminants Tested228
Above Guidelines0
View Report β
Georgetown
People Served1K
Contaminants Tested493
Above Guidelines1
View Report β
Kenton
People Served0K
Contaminants Tested97
Above Guidelines2
View Report β
Ellendale
People Served0K
Contaminants Tested173
Above Guidelines1
View Report β
Rehoboth
People Served0K
Contaminants Tested126
Above Guidelines0
View Report β
Frankford
People Served0K
Contaminants Tested96
Above Guidelines2
View Report β
Townsend
People Served0K
Contaminants Tested98
Above Guidelines2
View Report β
Clarksville
People Served0K
Contaminants Tested156
Above Guidelines0
View Report β
Millsboro
People Served0K
Contaminants Tested147
Above Guidelines0
View Report β
Delmar
People Served0K
Contaminants Tested20
Above Guidelines3
View Report β
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