Water Quality in St. Leonard, MD (20685)

EPA violation data for public water systems serving ZIP code 20685.

Past Health-Based Violations

3 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 2 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.

6,866

Population

19

Water Systems

5

Violations (5yr)

3

Health-Based

Location

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Water Systems Serving This Area (19)

Beaches Water Co-Operative

Groundwater 2,000 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb)

Long Beach Water Co

Groundwater 1,244 people served
0 violations

The Sickle Farm

Groundwater 494 people served
0 violations

Beaches Water Co

Groundwater 400 people served
0 violations

Kenwood Beach Water System

Groundwater 320 people served
0 violations

Crossroad Christian Church

Groundwater 140 people served
0 violations

Waters Memorial Um Church

Groundwater 130 people served
0 violations

Brooks United Methodist Church

Groundwater 125 people served
0 violations

Patuxent Campsites

Groundwater 125 people served
0 violations

Western Shores

Groundwater 120 people served
0 violations

Chesapeakes Bounty

1 health-based
Groundwater 105 people served
1 violation (5yr) · 1 health-based · All resolved

Grover Place Child Care Center

1 health-based
Groundwater 67 people served
2 violations (5yr) · 1 health-based · All resolved

Brooks Child Development Ct.

Groundwater 62 people served
0 violations

Jefferson Patterson Park And Museum

1 health-based
Groundwater 35 people served
2 violations (5yr) · 1 health-based · All resolved

Grover Place - 460 Welcome Lane

Groundwater 27 people served
0 violations

Perigeaux Winery, Vineyard-Tasting R00m

Groundwater 27 people served
0 violations

Lickedy Splits

Groundwater 25 people served
0 violations

Brooks Um Church(Old Bldg)

Groundwater 0
0 violations

Grover Place - 460 Welcome Lane

Groundwater 0
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.5 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

St. Leonard (20685) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.

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

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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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