Water Quality in Prince Frederick, MD (20678)
EPA violation data for public water systems serving ZIP code 20678.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 4 monitoring/reporting violations.
More violations than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
12,752
Population
140
Water Systems
5
Violations (5yr)
1
Health-Based
Location
Loading map...
Water Systems Serving This Area (140)
Prince Frederick
All resolved Groundwater 4,371 people served
1 violation (5yr)
· All resolved
Solomons
Groundwater 3,811 people served
0 violations
Northern Middle & High Schools
Groundwater 2,470 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Huntingtown High School
Groundwater 1,540 people served
0 violations
7 - Eleven - Prince Frederick
Groundwater 1,500 people served
0 violations
Calvert High School - See 0040011
Groundwater 1,450 people served
0 violations
Chesapeake Heights (Bayside Forest)
Groundwater 1,190 people served
0 violations
Summit/Highlands
Groundwater 1,108 people served
0 violations
Calvert Country & Calvert Elementary
Groundwater 900 people served
0 violations
Mutual Elementary School
Groundwater 894 people served
0 violations
Plum Point Middle School
Groundwater 881 people served
0 violations
Calvert County Fairground
Groundwater 807 people served
0 violations
Calvert Career Center - See 0040011
Groundwater 800 people served
0 violations
Southern Middle School
Groundwater 745 people served
0 violations
Lead tested: 1.2 ppb (limit: 15 ppb) ✓
Mt. Harmony Elementary School
Groundwater 706 people served
0 violations
Harriet Elizabeth Brown Community Center
Groundwater 700 people served
0 violations
Calvert Middle School
Groundwater 675 people served
0 violations
Dares Beach Water Company
Groundwater 644 people served
0 violations
Patuxent Elementary School
Groundwater 637 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb) ✓
Plum Point Elementary School
Groundwater 615 people served
0 violations
Huntingtown Elementary School
Groundwater 609 people served
0 violations
Appeal Elementary School
Groundwater 569 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb) ✓
Burger King Dunkirk
Groundwater 506 people served
0 violations
Prnc Fred-Calv Co San Dist Inc
Groundwater 500 people served
0 violations
Sunderland Elementary School
Groundwater 481 people served
0 violations
Cavalier Country Water Assoc I
Groundwater 436 people served
0 violations
Cross Point Subdivision
Groundwater 434 people served
0 violations
Cavalier Country
Groundwater 381 people served
0 violations
Shores Of Calvert
Groundwater 361 people served
0 violations
St. Leonard
Groundwater 350 people served
0 violations
Kenwood Beach
Groundwater 338 people served
0 violations
Running Hares Vinyard
Groundwater 308 people served
0 violations
Fairview Library
Groundwater 308 people served
0 violations
Sewell Funeral Home
Groundwater 304 people served
0 violations
Hallowing Point Park Food
Groundwater 300 people served
0 violations
Marley Run
Groundwater 290 people served
0 violations
First Baptist Church
Groundwater 251 people served
0 violations
Paris Oaks / Days End
Groundwater 251 people served
0 violations
Breezy Point Beach Andcamp
Groundwater 236 people served
0 violations
Truth Bible Church
Groundwater 230 people served
0 violations
Fastop- Leonardtown
Groundwater 206 people served
0 violations
Lakewood
Groundwater 203 people served
0 violations
Greater Bible Way Church
Groundwater 200 people served
0 violations
Dunkirk Medical Center
1 health-based Groundwater 200 people served
2 violations (5yr)
· 1 health-based · All resolved
Greater Mt Zion Baptist Church - 1041256
Groundwater 200 people served
0 violations
Patuxent Hall (King Landing Park)
Groundwater 161 people served
0 violations
Calvert Co. Industrial Park
All resolved Groundwater 158 people served
1 violation (5yr)
· All resolved
Walnut Creek
Groundwater 158 people served
0 violations
Circle Shopping Center
Groundwater 150 people served
0 violations
Adams Ribs (Of Calvert County)
Groundwater 150 people served
0 violations
Calvert Nursing Center
Groundwater 130 people served
0 violations
Gray-Ray Amer Legion Post #220
Groundwater 125 people served
0 violations
Hunting Hills
Groundwater 124 people served
0 violations
Brooks Administration Building
Groundwater 106 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Dunkirk District Park
Groundwater 104 people served
0 violations
Island Creek Prop. (Mom And Pops)
Groundwater 104 people served
0 violations
Breezy Point Snackbar
Groundwater 102 people served
0 violations
J & J Restaurant
Groundwater 100 people served
0 violations
Woodbridge - Mason Road- Served 0040011
Groundwater 100 people served
0 violations
Calvert Lighthouse Tabernacle
Groundwater 100 people served
0 violations
Calvert Baptist Church
Groundwater 100 people served
0 violations
Mt. Olive United Methodist Church
Groundwater 100 people served
0 violations
Calvert County Nursing Center
Groundwater 100 people served
0 violations
Jlh Building(Comcast)
Groundwater 94 people served
0 violations
Southern Pines Elderly House-See 0040027
Groundwater 93 people served
0 violations
Pine Trailer Park
Groundwater 84 people served
0 violations
Friscoe Trailer Park
Groundwater 84 people served
0 violations
Jerry S Place
Groundwater 83 people served
0 violations
White Sands
All resolved Groundwater 82 people served
1 violation (5yr)
· All resolved
Lead tested: 2 ppb (limit: 15 ppb) ✓
Island Creek Headstart See 1040068
Groundwater 79 people served
0 violations
Calvert Memorial Hospital
Groundwater 78 people served
0 violations
Prince Frederick Professional Bldg
Groundwater 70 people served
0 violations
Tara Subdivision
Groundwater 68 people served
0 violations
Marley Run Recreation Area
Groundwater 65 people served
0 violations
Tapestry North
Groundwater 60 people served
0 violations
Parkers Creek Knolls
Groundwater 60 people served
0 violations
Napa Auto Parts
Groundwater 60 people served
0 violations
Ward Farm Park Well 1
Groundwater 60 people served
0 violations
Calvert Mobile Homes Park
Groundwater 60 people served
0 violations
Dunkirk District Park (Rear Well) 2
Groundwater 55 people served
0 violations
State Highway Administration
Groundwater 50 people served
0 violations
Emmanuel Seventh Day Adventist Church
Groundwater 50 people served
0 violations
Calvert Co Nursing Center
Groundwater 50 people served
0 violations
Cove Point Swimming Pool Park
Groundwater 45 people served
0 violations
Busy Bee Nursery Inc.
Groundwater 45 people served
0 violations
Calvert County Nursing Center
Groundwater 41 people served
0 violations
Good Day Market
Groundwater 38 people served
0 violations
Auto Emissions Center , Veip
Groundwater 36 people served
0 violations
Fastop #56
Groundwater 36 people served
0 violations
Bayside Chevrolet Buick Toyota
Groundwater 34 people served
0 violations
Anchorage Trailer Park
Groundwater 32 people served
0 violations
Anchorage Trailer Park
Groundwater 32 people served
0 violations
Shadys Restauant
Groundwater 31 people served
0 violations
Gray-Ray Center
Groundwater 30 people served
0 violations
Snells Feed Store
Groundwater 25 people served
0 violations
Cove Point Park Maintenance Bldg
Groundwater 25 people served
0 violations
Smcn Group Home
Groundwater 25 people served
0 violations
Calvert Hospice/Burnett Hospice House
Groundwater 25 people served
0 violations
Southern Community Center
Groundwater 25 people served
0 violations
Country Docks
Groundwater 25 people served
0 violations
Lillie'S Catering Service
Groundwater 25 people served
0 violations
Northern High (1040034)
Groundwater 25 people served
0 violations
J & J Foods
Groundwater 25 people served
0 violations
Beach Elementary (0040003)
Groundwater 25 people served
0 violations
Dog Park (Grays Road) Recreation Area
Groundwater 25 people served
0 violations
Cove Point Park Snack Bar
Groundwater 25 people served
0 violations
Iga Foodliner
Groundwater 25 people served
0 violations
Calvert Memorial Hospital
Groundwater 25 people served
0 violations
Calvert Sr. High/Vo Tech.
Groundwater 25 people served
0 violations
Twin Beach Comm. Center
Groundwater 25 people served
0 violations
R & W Market
Groundwater 25 people served
0 violations
Bridge Diner
Groundwater 25 people served
0 violations
Mt Olive Um Church
Groundwater 25 people served
0 violations
Carroll Western Um Church
Groundwater 25 people served
0 violations
St. Mary'S House
Groundwater 25 people served
0 violations
Calvert Elementary (1040012)
Groundwater 25 people served
0 violations
Weems Building
Groundwater 25 people served
0 violations
Route 231 Citgo
Groundwater 25 people served
0 violations
Randle Cliff Head Start Center
Groundwater 25 people served
0 violations
Andrea'S Catering
Groundwater 25 people served
0 violations
Bge Field
Groundwater 25 people served
0 violations
Cypress Swamp Nature Center
Groundwater 25 people served
0 violations
Calvert County Fairground
Groundwater 25 people served
0 violations
Grace Brethern School
Groundwater 25 people served
0 violations
Ms. Lizzies
Groundwater 25 people served
0 violations
Double D'S Sports
Groundwater 10 people served
0 violations
Matteson Supply Company
Groundwater 2 people served
0 violations
Dunkirk Vol Fire Dept
Groundwater 0
0 violations
Miss Tina Day Care
Groundwater 0
0 violations
Hunting Creek Alternative School
Groundwater 0
0 violations
Calvert County Jail - See 0040011
Groundwater 0
0 violations
Running Hare Vineyard- Winery Well
Groundwater 0
0 violations
Calvert County Emergency Center
Groundwater 0
0 violations
Dares Beach I/C 0040018
Groundwater 0
0 violations
The Quilting Room
Groundwater 0
0 violations
Hallowing Point Trailer Park
Groundwater 0
0 violations
Solomons Wastewater Treatment Plant
Groundwater 0
0 violations
Kings Landing Camp
Groundwater 0
0 violations
Flag Harbor Pool
Groundwater 0
0 violations
Hallowing Point Park Maintenance Bldg
Groundwater 0
0 violations
Contaminants Found
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Radium-228Monitoring
1 violation
All resolved
ArsenicMonitoring
A naturally occurring element that can cause cancer and other health effects at high levels.
1 violation
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jan 2023
How Does This Compare?
Prince Frederick (20678) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.
Fewer violations 48th percentile More violations
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.