Water Quality in Rock Hall, MD (21661)

EPA violation data for public water systems serving ZIP code 21661.

No Health-Based Violations

None of the 19 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are15 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 68% of US ZIP codes.

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

2,613

Population

19

Water Systems

15

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (19)

Town Of Rock Hall

Groundwater 1,750 people served
1 violation (5yr)

Rock Hall Commissioners

Groundwater 1,200 people served
0 violations

Bayshore Campground

All resolved
Groundwater 636 people served
1 violation (5yr) · All resolved

Lankford Bay Marina Store

All resolved
Groundwater 320 people served
7 violations (5yr) · All resolved

Caulks Field Cafe

Groundwater 170 people served
0 violations

Rock Hall Yacht Club

All resolved
Groundwater 105 people served
2 violations (5yr) · All resolved

Long Cove Marina

All resolved
Groundwater 96 people served
1 violation (5yr) · All resolved

Toys Outdoor Store

Groundwater 86 people served
0 violations

Caulks Field One Stop

Groundwater 80 people served
0 violations

River Crabs

Groundwater 50 people served
0 violations

Huntingfield Manor

All resolved
Groundwater 30 people served
1 violation (5yr) · All resolved

Ellendale Camp Store

Groundwater 25 people served
0 violations

Sweet Ricks Candy And Fudge Shop

Groundwater 25 people served
0 violations

Spring Cove Manor, Llc

All resolved
Groundwater 25 people served
2 violations (5yr) · All resolved

Lankford Bay Marina

Groundwater 25 people served
0 violations

Mcjoiner'S Country Bakery

Groundwater 25 people served
0 violations

Port Of Rock Hall

Groundwater 25 people served
0 violations

Raum Chapel Church

Groundwater 0
0 violations

Finksbury Mini Center

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

14 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
Has active

How Does This Compare?

Rock Hall (21661) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15, most of which are monitoring/reporting issues.

Fewer violations 68th 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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