Water Quality in Baltimore, MD (21220)

EPA violation data for public water systems serving ZIP code 21220.

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

42,824

Population

19

Water Systems

9

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (19)

Hereford High School

Groundwater 1,300 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Hereford Middle School

Groundwater 1,050 people served
0 violations

Jacksonville Elementary

Groundwater 618 people served
1 violation (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Sparks Elementary School

Groundwater 537 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Prettyboy Elementary School

Groundwater 460 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Seventh District Elementary

Groundwater 437 people served
0 violations
Lead tested: 11 ppb (limit: 15 ppb)

Kingsville Elementary School

All resolved
Groundwater 391 people served
1 violation (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Carroll Manor Elementary School

Groundwater 370 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Fifth District Elementary

Groundwater 301 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Jehovahs Witness Kingdom Hall -Middle Ri

Groundwater 105 people served
0 violations

Bosley Untd Meth Nursery Sch.

Groundwater 25 people served
0 violations

Grauls Superthrift Market

2 health-based
Groundwater 25 people served
7 violations (5yr) · 2 health-based · All resolved
Lead tested: 1.4 ppb (limit: 15 ppb)

Jbs Oasis

Groundwater 25 people served
0 violations

Long Beach Marina

Groundwater 25 people served
0 violations

Brigadoon Marina

Groundwater 25 people served
0 violations

Conrads Ruth Villa

Groundwater 25 people served
0 violations

Sparks Elementary Sch (Fire)

Groundwater 25 people served
0 violations

Richardson'S Poultry

Groundwater 25 people served
0 violations

Fallston Food Market

Groundwater 0
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

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

7 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.4 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Baltimore (21220) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9.

Fewer violations 65th 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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