Water Quality in Frederick, MD (21788)
EPA violation data for public water systems serving ZIP code 21788.
Past Health-Based Violations
3 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 9 monitoring/reporting violations.
More violations than 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
11,654
Population
41
Water Systems
12
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (41)
New Design - Frederick County
All resolvedCity Of Frederick
Town Of Thurmont
Thurmont-Mechanicstown Water C
Catoctin Mountain Nat. Park-Misty Mount
Catoctin Wildlife Preserve & Zoo
Springfield Manor
Catoctin Mountain Orchard
Catoctin Mountain Nat. Park - Ike Smith
Gateway Market And Candyland
Stone Manor
Thurmont United Methodist Church, Inc
1 health-basedCamp West Mar, American Legion
Dales Place (See 1101049)
Ole Mink Farm
5 West Cafe
Ice Cream Safari
Catoctin Mountain Nat. Park - Jim Brown
Harriet Chapel
St Pauls Lutheran Church(Frederick
Thorpewood Conference Center Inc.
Graceham Moravian Church
Maple Run Golf Course
Beckleys Camping Center
All resolvedBlue Ridge Country Store
Dehart'S Catering Service
Phil'S Corner Carryout
Martins Grocery
Thurmont Conservation & Sports Club
Sweeney'S Grocery
Minit Mart
Rockos Meat Processing
Harriett Chapel
The Feed Shed
Blue Mountain Inn
St Johns Lutheran Church
Lewistown Um Church
Crows Nest Lodge And Campground
2 health-basedMarket Basket
Shamrock Restaurant
Narconon Dc
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.
How Does This Compare?
Frederick (21788) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12.
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.