Water Quality in Westminster, MD (21157)
EPA violation data for public water systems serving ZIP code 21157.
Active Health Violations
8 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 78% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
38,984
Population
93
Water Systems
21
Violations (5yr)
8
Health-Based
Location
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Water Systems Serving This Area (93)
City Of Westminster
Freedom District
Freedom Dist-Carroll Co San Co
Westminster
Wakefield Valley
1 health-basedSouth Carroll High School
Sykesville
North Carroll Middle School
Runnymede Elementary
Winfield Elementary
Sandymount Elementary
All resolvedMechanicsville Elementary
Bullocks Country Family Restaurant
Dunkin Donut
Seven-Eleven - Finksburg
Deer Park Ball Fields
Freedom Church-Lenacy Building
Still And Grill
Calvary Baptist Church
All resolvedWinfield Ballfield
1 health-basedFinksbury Plaza Shopping Center
Bark Hill
Carroll Co. Family Ymca
Pleasant Valley
Reese And Community Vol. Fire Company
Braglio Farms
Deer Park Umc
Trinity Lutheran Church
Crosslife Bible Church
Wakefield Valley Golf Club
Freedom Park
St. Johns Lutheran Church
Old Westminster Winery
Kriders United Church Of Christ
Liberty Church Of Maryland
St. Marys United Church Of Christ
Calvary Bible Church
Tebbston On Magothy
5 health-basedAbc Child Development Cntr - See 1060063
Abc Child Development Center
Roaring Run Lions Club
All Smiles Dental Care
Park Inn Inc
South Carroll Seventh Day Adventist Ch.
Kabik Court
1 health-basedBando Meadows
Poole'S Mobile Trailer Park
Gaither Umc
Bramble Hills
Country Acres Assisted Living
Maryland Jaycees Center
Western Md. Stockyards
Westminster Resc Miss Old Well
Mary'S Crab Deck
Rhoten'S Store
Reese Inn
Baugher'S Restaurant
Taras Restaurant
Rowan Controller Cafeteria
Danner'S Farm Market
Heritage Christian Academy
United Church Of Christ
Crest Lane Sda School (Connect To Cws)
Bullocks Restaurant
Meadow Branch Ch. Of Brethren
Margaritaz Tex Mex
Nicodemus Camp
Johnny Cats
Emmanuel Baust United Church
Lighthouse Worship Center
Westminster Baptist Church (Connect Cws)
St. Benjamin Lutheran Church
Crest Lane Adv. Ch. School
Moffitt'S, Inc.
Church Of The Brethren
Pleasant Valley Fire Co
Foursquare Gospel Church
Westminister Bible Church
Griff'S Seafood
International Meditation Center
Westminster 7th Day Adv (Connect To Cws)
Finksburg Dental Center
Uniontown Elementary
Francis Scott Key Hs (Connect To 060019)
Building Blocks Daycare
Q Mart- Crazy Nuts
Clearfield Bible Church
Bramble Hills (I/C 0060015)
Green Pallet Company
Charles Carroll Elementary
Stubbys Pizza Wings And More -Finksburg
New Hope Umc
Carroll County Library - See 106-1327
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
Copper (Cu)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Westminster (21157) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 21.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.