Water Quality in Millersville, MD (21409)

EPA violation data for public water systems serving ZIP code 21409.

No Health-Based Violations

None of the 21 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 60% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

20,289

Population

21

Water Systems

8

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (21)

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

Northrop Grumman - Undersea Systems

Groundwater 395 people served
0 violations

Hardees And Kent Island

Groundwater 351 people served
0 violations

Piney Narrows Marina

Groundwater 250 people served
0 violations

Asbury Broadneck Umc

Groundwater 220 people served
0 violations

Montessori Intl. Childrens House

Groundwater 177 people served
0 violations

Red Hot And Blue

All resolved
Groundwater 104 people served
4 violations (5yr) · All resolved

Cape St Claire Improvement Association

Groundwater 51 people served
0 violations

Cape St Claire Swim Club

All resolved
Groundwater 32 people served
1 violation (5yr) · All resolved

Safe Harbor Podickery Point

Groundwater 32 people served
0 violations

Greensboro Mobil

Groundwater 28 people served
0 violations

Motel 6 - Well # 2

Groundwater 0
0 violations

Motel 6 - Well #1

Groundwater 0
0 violations

St. Margarets Learning Center, Church

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 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

How Does This Compare?

Millersville (21409) has more violations than 60% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, most of which are monitoring/reporting issues.

Fewer violations 60th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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