Water Quality in Millersville, MD (21403)

EPA violation data for public water systems serving ZIP code 21403.

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 6 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.

32,681

Population

22

Water Systems

7

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (22)

Glen Burnie-Broadneck

All resolved
Groundwater 290,606 people served
2 violations (5yr) · All resolved

Arnold Wtp % Annapolis Dpw

Groundwater 150,000 people served
0 violations

Glen Burnie Anne Arundel Co

Groundwater 78,000 people served
0 violations

Harvndale Plant

Groundwater 75,000 people served
0 violations

Individual Well Plant

Groundwater 72,204 people served
0 violations

Crofton-Odenton

All resolved
Groundwater 62,986 people served
1 violation (5yr) · All resolved

Fort George G. Meade

Groundwater 62,234 people served
0 violations

Ellic. City-Columbia Hwd Co Dp

Groundwater 59,500 people served
0 violations

Key School

Groundwater 820 people served
0 violations

Quiet Waters Park Wells # 1 And # 2

Groundwater 406 people served
0 violations

Bay Ridge Marina Clubhouse

Groundwater 154 people served
0 violations

Bay Ridge Clubhouse & Pool

Groundwater 105 people served
0 violations

The Key School - Fusco Park

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved

Chesapeake Bay Foundation

1 health-based
Groundwater 90 people served
2 violations (5yr) · 1 health-based · All resolved

Hillsmere Community Pool

Groundwater 56 people served
0 violations

Bay Ridge Christian Church

All resolved
Groundwater 53 people served
1 violation (5yr) · All resolved

Londontowne Marina

Groundwater 45 people served
0 violations

Annapolis Golf Club

Groundwater 32 people served
0 violations

Anchorage Swim Club

Groundwater 31 people served
0 violations

C And C Liquors Inc

Groundwater 25 people served
0 violations

The Gallery

Groundwater 25 people served
0 violations

Bakers Deli

Groundwater 25 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

2 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

How Does This Compare?

Millersville (21403) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7.

Fewer violations 53th percentile More violations

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.

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