Delaware Water Quality Reports

Comprehensive water quality data for 63 cities across Delaware. View EPA-verified contaminant levels and get filter recommendations.

63

Cities

0

Safe

24

Monitor

7

At Risk

4

Limited testing

28

No Test Data

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Delaware water quality ranking EPA-certified testing labs Water utilities in Delaware

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 31 cities serving 679,376 people across 3 counties.

Common Contaminants in Delaware

30 cities in Delaware have at least one contaminant above EPA health guidelines.

Bromodichloromethane(25 cities)Dichloroacetic Acid (DCA)(19 cities)Perfluorooctanoic acid(9 cities)Bromoform(8 cities)Perfluorooctanesulfonic acid(8 cities)Gross Alpha Activity(7 cities)

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Cities in Delaware

Bear

People Served231K

206 results on file

Above Guidelines5

View Report →

Hockessin

People Served231K

206 results on file

Above Guidelines5

View Report →

Wilmington

People Served108K

142 results on file

Above Guidelines3

View Report →

New Castle

People Served100K

187 results on file

Above Guidelines4

View Report →

Newark

People Served40K

23 results on file

Above Guidelines2

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Dover

People Served39K

123 results on file

Above Guidelines3

View Report →

Millville

People Served37K

194 results on file

Above Guidelines4

View Report →

Rehoboth Beach

People Served25K

176 results on file

Above Guidelines3

View Report →

Middletown

People Served18K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Bethany Beach

People Served12K

56 results on file

Above Guidelines2

View Report →

Smyrna

People Served12K

183 results on file

Above Guidelines4

View Report →

Long Neck

People Served11K

184 results on file

Above Guidelines1

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Milford

People Served10K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Lewes

People Served9K

119 results on file

Above Guidelines5

View Report →

Millsboro

People Served9K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Fenwick Island

People Served8K

146 results on file

Above Guidelines2

View Report →

Georgetown

People Served7K

23 results on file

Above Guidelines3

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Clayton

People Served7K

135 results on file

Above Guidelines3

View Report →

Odessa

People Served5K

113 results on file

Above Guidelines2

View Report →

Laurel

People Served4K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Harrington

People Served4K

76 results on file

Above Guidelines2

View Report →

Selbyville

People Served4K

119 results on file

Above Guidelines2

View Report →

Milton

People Served3K

142 results on file

Above Guidelines2

View Report →

Bridgeville

People Served2K

34 results on file

Above Guidelines3

View Report →

Ocean View

People Served2K

77 results on file

Above Guidelines2

View Report →

Delaware City

People Served2K

90 results on file

Above Guidelines2

View Report →

Felton

People Served2K

90 results on file

Above Guidelines4

View Report →

Cheswold

People Served2K

132 results on file

Above Guidelines2

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Blades

People Served1K

11 results on file

Above Guidelines2

View Report →

Henlopen Acres

People Served1K

112 results on file

Above Guidelines3

View Report →

Slaughter Beach

People Served1K

150 results on file

Above Guidelines0

View Report →

Dagsboro

People Served1K

76 results on file

Above Guidelines2

View Report →

Frederica

People Served1K

76 results on file

Above Guidelines2

View Report →

Winterthur

People Served1K

100 results on file

Above Guidelines2

View Report →

Kenton

People Served0K

77 results on file

Above Guidelines2

View Report →

Ellendale

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Bellefonte

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Brookside

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Camden

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Clarksville

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Delmar

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Dover Base Housing

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Edgemoor

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Elsmere

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Frankford

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Glasgow

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Greenville

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Highland Acres

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Kent Acres

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Lincoln

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Little Creek

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Newport

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

North Star

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Pike Creek Valley

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Pike Creek

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Rehoboth

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Rising Sun-Lebanon

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Rodney Village

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

South Bethany

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

St. Georges

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Townsend

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Wilmington Manor

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

Wyoming

People Served0K

No contaminant results on file

Above Guidelines0

View Report →

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