Water Quality in Millersville, MD (21114)
EPA violation data for public water systems serving ZIP code 21114.
Past Health-Based Violations
2 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 27 monitoring/reporting violations.
More violations than 72% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
25,590
Population
32
Water Systems
29
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (32)
Glen Burnie-Broadneck
All resolvedArnold Wtp % Annapolis Dpw
Glen Burnie Anne Arundel Co
Harvndale Plant
Individual Well Plant
Crofton-Odenton
All resolvedFort George G. Meade
Ellic. City-Columbia Hwd Co Dp
Ilur Liberty Commons Mhp Llc
Crofton Elementary
Sunny Creek Mhc
Heritage Of Rantoul
Capitol Raceway, Double Ds Dogs
All resolvedWendys Old Fashioned Hamburgers #73
Ilur Woods Edge Mhp Llc
Idlewood Park
Wendys #155 And Exxon Co. Usa
Church Of Latter Day Saints
All resolvedMaplewood Mac Llc
Timberend Estates Mhp
Enchanted Acres Mhc Llc
Village Green Mobile Home Park
1 health-basedEast 30 Mhp
All resolvedIlur Portfolio 5-Surbana Estates Mhp Llc
All resolvedMt. Ivy 2019 Mhc, Llc
Ilur Portfolios - Carriage Estates Llc
All resolvedIlur Portfolio 5 - Wilson Mhp Llc
Ilur Portfolio 5 - Trailside Mhp Llc
All resolvedPomona Glen
Bowie Church Jesus Christ Latter Day Sts
All resolvedPizza Movers
Calvert Gateway & Mcdonalds # 16243
1 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Millersville (21114) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 29.
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.