Water Quality in Annapolis, MD (21401)
EPA violation data for public water systems serving ZIP code 21401.
Active Health Violations
3 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 79% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
38,629
Population
181
Water Systems
34
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (181)
Glen Burnie-Broadneck
All resolved Groundwater 290,606 people served
2 violations (5yr)
· All resolved
Arnold Wtp % Annapolis Dpw
Groundwater 150,000 people served
0 violations
Glen Burnie Anne Arundel Co
Groundwater 78,000 people served
0 violations
Harvndale Plant
Groundwater 75,000 people served
0 violations
Individual Well Plant
Groundwater 72,204 people served
0 violations
Crofton-Odenton
All resolved Groundwater 62,986 people served
1 violation (5yr)
· All resolved
Fort George G. Meade
Groundwater 62,234 people served
0 violations
Ellic. City-Columbia Hwd Co Dp
Groundwater 59,500 people served
0 violations
Annapolis
Surface water 40,000 people served
0 violations
City Of Annapolis
Groundwater 35,000 people served
0 violations
Stevenson Road Aa Co. D.U.
Groundwater 4,500 people served
0 violations
Snow Valley Water Company
Groundwater 3,500 people served
0 violations
I-70 Rest Areas (Eastside And Westside)
Groundwater 2,000 people served
0 violations
Revel Square
Groundwater 1,900 people served
0 violations
David Taylor Resea Dev Ctr
Groundwater 1,200 people served
0 violations
Greenbrier State Park
Surface water 1,150 people served
0 violations
Dunkin Gambrills
Groundwater 718 people served
0 violations
Epping Forest Inc
Groundwater 600 people served
0 violations
Cunningham Falls - Houck Area
Surface water 577 people served
0 violations
7-Eleven #28953 And Deale Subway
Groundwater 517 people served
0 violations
Bay Manor Nursing Home
Groundwater 400 people served
0 violations
Dunkin Donuts/Goodwill
Groundwater 354 people served
0 violations
Assateague State Park Campground
Groundwater 345 people served
0 violations
Washington Monument St Pk Ranger Sta
Groundwater 306 people served
0 violations
Gunpowder Falls St Pk Hart-Miller Island
Groundwater 305 people served
0 violations
Dunkin Donuts #351565
Groundwater 300 people served
0 violations
Washington Monument State Park-Picnic
Groundwater 300 people served
0 violations
Annapolis Commerce Park
Groundwater 300 people served
0 violations
Gathland State Park
Groundwater 242 people served
0 violations
Woodland Center #1
Groundwater 210 people served
0 violations
Pine Tree Associates
Groundwater 201 people served
0 violations
Wendys
Groundwater 200 people served
0 violations
Annapolis Landing
Groundwater 200 people served
0 violations
Paceway Conv. Store
Groundwater 200 people served
0 violations
Roy Rogers
Groundwater 200 people served
0 violations
Annapolis Landing
Groundwater 200 people served
0 violations
Annapolis Country Club
Groundwater 200 people served
0 violations
Woodland Center #3
Groundwater 185 people served
0 violations
South Arundel Veterinary
Groundwater 170 people served
0 violations
Aeroterm Us
Groundwater 150 people served
0 violations
Annapolis Seafood Market - Edgewater
Groundwater 115 people served
0 violations
Chesapeake Montesori Sch.
Groundwater 110 people served
0 violations
Gunpowder Falls St Pk Jerusalem Mill
All resolved Groundwater 103 people served
4 violations (5yr)
· All resolved
Arlington Echo
Groundwater 100 people served
0 violations
Camp Woodlands
Groundwater 100 people served
0 violations
Calvert Cliffs State Park
Groundwater 100 people served
0 violations
Camp St. Vincent De Paul
Groundwater 100 people served
0 violations
Camp Woodlands
Groundwater 100 people served
0 violations
Bay Manor Inc
Groundwater 100 people served
0 violations
Smallwood State Park Well # 2
Groundwater 100 people served
0 violations
Bodkin Park
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Edgewater Park
Groundwater 100 people served
0 violations
Hh&P Iv, Llc
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Weems Creek Nursery School
All resolved Groundwater 93 people served
1 violation (5yr)
· All resolved
First Christian Comm. Church- Annapolis
Groundwater 92 people served
0 violations
Weems Creek Medical Center
Groundwater 90 people served
0 violations
Edgewater Professional Building
Groundwater 87 people served
0 violations
Ridgely Oaks Professional Center
Groundwater 75 people served
0 violations
Baymanor Dorsing Homes Inc
Groundwater 74 people served
0 violations
Congregation Kol Shalom Annapolis
1 health-based Groundwater 74 people served
2 violations (5yr)
· 1 health-based · All resolved
Harbour Sch(Connect To 0020004
Groundwater 70 people served
0 violations
Md Environmntl Service
Groundwater 65 people served
0 violations
Elks Youth Camp Barrett
Groundwater 62 people served
0 violations
Hitching Post Plaza
Groundwater 60 people served
0 violations
Mayo Center And Apartments
Groundwater 60 people served
0 violations
Rams Head Roadhouse
Groundwater 58 people served
0 violations
Quiet Waters Park Well # 4
Groundwater 55 people served
0 violations
Downs Community Pool
Groundwater 54 people served
0 violations
Milburn Landing St Park
Groundwater 53 people served
0 violations
Quiet Waters Park Well # 3
All resolved Groundwater 52 people served
2 violations (5yr)
· All resolved
Davidsonville Park
Groundwater 50 people served
0 violations
Lake Shore Athletic Complex
Groundwater 50 people served
0 violations
Shoppes Of Millville
Groundwater 50 people served
0 violations
Gambrills State Park Boot Jack,High Knob
Groundwater 50 people served
0 violations
Gambrills State Park (Rock Run)
Groundwater 50 people served
0 violations
Saint Mary'S River State Park
Groundwater 50 people served
0 violations
Annapolis Friends Meeting
Groundwater 50 people served
0 violations
Annapolis Dinner Theatre
Groundwater 50 people served
0 violations
Be Bos Restaurant
Groundwater 50 people served
0 violations
Loch Haven Park
Groundwater 50 people served
0 violations
Jerry'S Subs & Pizza
Groundwater 50 people served
0 violations
State Highway Administration (Elkton)
Groundwater 45 people served
0 violations
Maple Run Boys Camp
Groundwater 35 people served
0 violations
Jug Bay Wetlands Sanctuary
Groundwater 30 people served
0 violations
Greater Annapolis Veterinary Hospital
1 health-based Groundwater 30 people served
2 violations (5yr)
· 1 health-based
Maryland City Park
Groundwater 30 people served
0 violations
Cape St Claire Park
All resolved Groundwater 30 people served
2 violations (5yr)
· All resolved
Woodland Center #2
All resolved Groundwater 30 people served
2 violations (5yr)
· All resolved
Us Coast Guard Fac
Groundwater 30 people served
0 violations
Arden-On-The-Severn Park
Groundwater 30 people served
0 violations
Dahlgren And South Mountain State Park
Groundwater 30 people served
0 violations
Myrtle Grove Wildlife
Groundwater 30 people served
0 violations
Montrose Military Academy
Surface water 30 people served
0 violations
Methodist Church Of Cape St Clair
Groundwater 30 people served
0 violations
Deale Tracy Park
All resolved Groundwater 30 people served
3 violations (5yr)
· All resolved
Generals Hwy Corridor Park
Groundwater 30 people served
0 violations
Tuckahoe State Park Ranger Station
Groundwater 29 people served
0 violations
Spring Lake Motel
All resolved Groundwater 29 people served
1 violation (5yr)
· All resolved
Georgetown Yacht Haven
1 health-based Groundwater 28 people served
7 violations (5yr)
· 1 health-based · All resolved
Lead tested: 3 ppb (limit: 15 ppb) ✓
South County Recreation Center
Groundwater 27 people served
0 violations
Waugh Chapel Exxon Service Station
Groundwater 27 people served
0 violations
Saefern Pool
Groundwater 26 people served
0 violations
Hardesty Funeral Home
Groundwater 26 people served
0 violations
Shady Side Park
Groundwater 25 people served
0 violations
Riva Area Park
Groundwater 25 people served
0 violations
Knights Of Pythais
Groundwater 25 people served
0 violations
Days Inn
Groundwater 25 people served
0 violations
Annapolis Moose Lodge
Groundwater 25 people served
0 violations
Community Bible Church
Groundwater 25 people served
0 violations
Scalleys Grill, Inc.
Groundwater 25 people served
0 violations
Chesapeake Bay Lighthouse B & B
Groundwater 25 people served
0 violations
Chesapeake Sports
Groundwater 25 people served
0 violations
Westinghouse Cafeteria
Groundwater 25 people served
0 violations
Pease Porridge Hot
Groundwater 25 people served
0 violations
Riverside Inn
Groundwater 25 people served
0 violations
American Legion #7 (Connected To Cws)
Groundwater 25 people served
0 violations
7 Eleven #17214
Groundwater 25 people served
0 violations
Bay Ridge Inn
Groundwater 25 people served
0 violations
Eve'S Country Ribs
Groundwater 25 people served
0 violations
Luncheon Junction
Groundwater 25 people served
0 violations
Chesapeake Fudge
Groundwater 25 people served
0 violations
Custom Catering
Groundwater 25 people served
0 violations
Bay Ridge Christian Church
Groundwater 25 people served
0 violations
Bay Ridge Beach, Inc
Groundwater 25 people served
0 violations
Whitehall Inn
Groundwater 25 people served
0 violations
Roy Rogers
Groundwater 25 people served
0 violations
Bay Bridge Sunoco
Groundwater 25 people served
0 violations
Chris' Country Store
Groundwater 25 people served
0 violations
Better Choice
Groundwater 25 people served
0 violations
Annapolis Terrace Motel
Groundwater 25 people served
0 violations
Old South Athletic Field
Groundwater 25 people served
0 violations
Dennys Restaurant #1840
Groundwater 25 people served
0 violations
Capers
Groundwater 25 people served
0 violations
Mcdonalds
Groundwater 25 people served
0 violations
Bay Manor Nursing Home
Groundwater 25 people served
0 violations
Unitarian Universalist Church Fahs Bldg
Groundwater 25 people served
0 violations
Bay Bridge Liquor Mart
Groundwater 25 people served
0 violations
R.D.S Diner
Groundwater 25 people served
0 violations
Provinces Park
Groundwater 25 people served
0 violations
Chesapeake District Office
Groundwater 25 people served
0 violations
Weems Creek Nursery
Groundwater 25 people served
0 violations
Gambrills State Park (High Knob)
Groundwater 25 people served
0 violations
Buschs Chesapeake Inn
Groundwater 25 people served
0 violations
Fuller Package Goods
Groundwater 25 people served
0 violations
Texas Steaks & Bbq
Groundwater 25 people served
0 violations
P & W Seafood
Groundwater 25 people served
0 violations
Rolling Knolls Elementary
Groundwater 25 people served
0 violations
Whispers
Groundwater 25 people served
0 violations
Baymart/Way To Go Subs & Pizza (Conn Cws
Groundwater 25 people served
0 violations
Pease Porridge Hot
Groundwater 25 people served
0 violations
Bella'S Seafood Store
Groundwater 25 people served
0 violations
Annapolis Health & Fitness
Groundwater 25 people served
0 violations
Allen Drugs, Inc.
Groundwater 25 people served
0 violations
Market Place Cafe
Groundwater 25 people served
0 violations
Graul'S Market
Groundwater 25 people served
0 violations
Sardinia Club International
Groundwater 25 people served
0 violations
Colonial Nursery School
Groundwater 25 people served
0 violations
Soundsations
Groundwater 25 people served
0 violations
Smallwood State Park Well # 9
Groundwater 25 people served
0 violations
Szechaun Gourmet Resaurant
Groundwater 25 people served
0 violations
Academy Motel
Groundwater 25 people served
0 violations
Epping Forest Club
Groundwater 25 people served
0 violations
Bell Branch Athletic Complex
Groundwater 25 people served
0 violations
Holy Temple Church Of God Intl
Groundwater 25 people served
0 violations
Princess Tree B And B
Groundwater 25 people served
0 violations
Annapolis Moose Lodge #296
Groundwater 25 people served
0 violations
Tenthouse Creek Community
Groundwater 20 people served
0 violations
Samaritan House Inc.
Groundwater 20 people served
0 violations
Aa Co Southern District
Groundwater 2 people served
0 violations
Tolchester Village
Groundwater 0
0 violations
Echo Lake (South Mountain) State Park
Groundwater 0
0 violations
Hardesty Funeral Home
Groundwater 0
0 violations
Quiet Waters Park Well # 2
Groundwater 0
0 violations
Mcdonalds Of Bay Ridge
Groundwater 0
0 violations
Odenton Park (Gorc) I/C 0020008
All resolved Groundwater 0
1 violation (5yr)
· All resolved
Highs At Bay Dale
All resolved Groundwater 0
2 violations (5yr)
· All resolved
Smallwood State Park Well # 1
Groundwater 0
0 violations
Crofton Park
Groundwater 0
0 violations
Blair'S Londontowne Pub
Groundwater 0
0 violations
Troys Caribbean And Soul Food
Groundwater 0
0 violations
Unitarian Universalist Church
Groundwater 0
0 violations
Contaminants Found
LEAD AND COPPER RULE REVISIONSHealth-Based
6 violations
Has active
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
20 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
5 violations
All resolved
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
3 violations
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit3 ppb measured
Action level: 15 ppb
Sampled: Jul 2024
How Does This Compare?
Annapolis (21401) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 34.
Fewer violations 79th 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.