Water Quality in Timonium, MD (21093)
EPA violation data for public water systems serving ZIP code 21093.
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 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
39,100
Population
19
Water Systems
12
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (19)
Stella Maris
Valley Inn
Maryvale Preparatory School
All resolvedPaper Mill Village Shopping Center
1 health-basedThe Peppered Pig, Llc
Shrewsbury Shopping Ctr
Breit - 4840/4844 Winchester Boulevard
1 health-basedFenwick Acres
Rise & Shine Day Care Cnter
Gray And Sons Inc
Beechtree Restaurant At The Waters Edge
Breit - 4780 Winchester Boulevard
All resolvedBreit - 3951 Dartmouth Ct
All resolvedChestnut Ridge Country Club
Carrol'S Church
Padonia Swim Club
Chestnut Ridge Cc (Ntws)
Cloisters Childrens Museum
Cloisters Childrens Museum
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Timonium (21093) has more violations than 67% 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
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.