Water Quality in Columbia, MD (21163)
EPA violation data for public water systems serving ZIP code 21163.
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 5 monitoring/reporting violations.
More violations than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,539
Population
16
Water Systems
6
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (16)
Howard County D.P.W. Distribution
All resolvedEllicott City
Woodstock Inn
Braglio Farms
Woodmount Academy
St. Alphonsus Catholic Church
Us Dept Labor Manpower Admn
Belmont Carriage House Conservancy Bldg
All resolvedGranite Rose Ten Parlour
Granite Presbyterian Church
Woodstock Military Res.
Md. St. Police Corr. Trng. Ctr
Granite Lifeboat Baptist Missi
Woodmont Academy
Woodstock Job Corps Center
1 health-basedPolice & Correctional Training
Contaminants Found
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
How Does This Compare?
Columbia (21163) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6.
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.