Water Quality in Frederick, MD (21702)
EPA violation data for public water systems serving ZIP code 21702.
Active Health Violations
2 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 86% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
49,605
Population
35
Water Systems
36
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (35)
New Design - Frederick County
All resolvedCity Of Frederick
Fort Detrick
1 health-basedLinganore High School
All resolvedMountaindale Convenience Store # 2
Kemptown Elementary
All resolvedGreen Valley Elementary
Yellow Springs Elementary
Liberty Elementary
All resolvedValley Elementary
Lewistown Elementary
All resolvedFrederick Christian Fellowship
Mountaindale Convenience Store
Wolfsville Elementary
All resolvedNew Midway Elementary
All resolvedUtica District Park 2
Dulany'S Overlook
Walker'S Overlook
All resolvedCloverhill Swim Club
Cloverhill Pool(See 1101335)
Utica District Park
Glenwood Office Park
Yellow Springs Lions Club
Brookhill Umc And Weekday Preschool
Little Lights Child Ctr/First Baptist Ch
All resolvedAbbottstown Plaza
Discovery National- Gambrill Park Center
Frederick Masonic Temple
Amelano Manor
1 health-basedFaith United Church Of Christ
Triangle Outdoor World
Walkersville Scout Camp
Mountaindale General Store
Calvary Assembly Of God
United Civic Center Of Shookstown
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.
How Does This Compare?
Frederick (21702) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 36.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.