Water Systems Serving Zip Code 20678

Not sure which system is yours? Most residents in ZIP 20678 are likely served by Prince Frederick (population served: 4,371). Check your water bill for your provider name if you're unsure.

Direct EPA ZIP Matches

74 active water systems have this ZIP in EPA records.

Water SystemPopulation ServedSourceViolationsHealth-Based
Calvert Middle School 675 Groundwater 1 1
Dunkirk Medical Center 200 Groundwater 14 2
Southern Middle School 745 Groundwater 4 2
Calvert Country & Calvert Elementary 900 Groundwater 3 2
Northern Middle & High Schools 2,470 Groundwater 1 1
Prince Frederick 4,371 Groundwater 7 0
Chesapeake Heights (Bayside Forest) 1,190 Groundwater 5 0
White Sands 82 Groundwater 5 0
Solomons 3,811 Groundwater 4 0
Calvert Co. Industrial Park 158 Groundwater 4 0
Tara Subdivision 68 Groundwater 4 0
Tapestry North 60 Groundwater 4 0
Summit/Highlands 1,108 Groundwater 3 0
Cross Point Subdivision 434 Groundwater 3 0
Cavalier Country 381 Groundwater 3 0
Shores of Calvert 361 Groundwater 3 0
St. Leonard 350 Groundwater 3 0
Kenwood Beach 338 Groundwater 3 0
Marley Run 290 Groundwater 3 0
Paris Oaks / Days End 251 Groundwater 3 0
Lakewood 203 Groundwater 3 0
Walnut Creek 158 Groundwater 3 0
Hunting Hills 124 Groundwater 3 0
Mt. Harmony Elementary School 706 Groundwater 1 0
Patuxent Elementary School 637 Groundwater 1 0
Circle Shopping Center 150 Groundwater 1 0
Huntingtown High School 1,540 Groundwater 0 0
7 - Eleven - Prince Frederick 1,500 Groundwater 0 0
Mutual Elementary School 894 Groundwater 0 0
Plum Point Middle School 881 Groundwater 0 0
Calvert County Fairground 807 Groundwater 0 0
Harriet Elizabeth Brown Community Center 700 Groundwater 0 0
Plum Point Elementary School 615 Groundwater 0 0
Huntingtown Elementary School 609 Groundwater 0 0
Appeal Elementary School 569 Groundwater 0 0
Burger King Dunkirk 506 Groundwater 0 0
Sunderland Elementary School 481 Groundwater 0 0
Fairview Library 308 Groundwater 0 0
Running Hares Vinyard 308 Groundwater 0 0
Sewell Funeral Home 304 Groundwater 0 0
Hallowing Point Park Food 300 Groundwater 0 0
First Baptist Church 251 Groundwater 0 0
Breezy Point Beach Andcamp 236 Groundwater 0 0
Truth Bible Church 230 Groundwater 0 0
Fastop - Leonardtown 206 Groundwater 0 0
Greater Bible Way Church 200 Groundwater 0 0
Patuxent Hall (King Landing Park) 161 Groundwater 0 0
Adams Ribs (Of Calvert County) 150 Groundwater 0 0
Gray-Ray Amer Legion Post #220 125 Groundwater 0 0
Brooks Administration Building 106 Groundwater 0 0
Dunkirk District Park 104 Groundwater 0 0
Island Creek Prop. (Mom and Pops) 104 Groundwater 0 0
Breezy Point Snackbar 102 Groundwater 0 0
Calvert Lighthouse Tabernacle 100 Groundwater 0 0
Calvert Baptist Church 100 Groundwater 0 0
Mt. Olive United Methodist Church 100 Groundwater 0 0
Jlh Building(Comcast) 94 Groundwater 0 0
Jerry S Place 83 Groundwater 0 0
Prince Frederick Professional Bldg 70 Groundwater 0 0
Marley Run Recreation Area 65 Groundwater 0 0
Napa Auto Parts 60 Groundwater 0 0
Ward Farm Park Well 1 60 Groundwater 0 0
Dunkirk District Park (Rear Well) 2 55 Groundwater 0 0
Emmanuel Seventh Day Adventist Church 50 Groundwater 0 0
Cove Point Swimming Pool Park 45 Groundwater 0 0
Good Day Market 38 Groundwater 0 0
Fastop #56 36 Groundwater 0 0
Auto Emissions Center , Veip 36 Groundwater 0 0
Cove Point Park Snack Bar 25 Groundwater 0 0
Cove Point Park Maintenance Bldg 25 Groundwater 0 0
Cypress Swamp Nature Center 25 Groundwater 0 0
Bge Field 25 Groundwater 0 0
Dog Park (Grays Road) Recreation Area 25 Groundwater 0 0
Calvert Hospice/Burnett Hospice House 25 Groundwater 0 0