Water Quality in Columbia, MD (21044)
EPA violation data for public water systems serving ZIP code 21044.
No Health-Based Violations
None of the 18 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 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
44,114
Population
18
Water Systems
8
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (18)
Howard County D.P.W. Distribution
All resolvedEllicott City
New Hope 7th-Day Adventist Church
Iron Bridge Wine Company
Riverside Community Church
All resolvedWest Howard Swim Club
Caseys Crab Company
Camp Friendship
Camp Appalachia
La Petite Academy
Annapolis Seventh Day Adventist
All resolved7th Day Adventist Church Of Pr. Fred.
Jessup Sunoco
All resolvedBaltimore Korean Sda Church
Lubavitch Center (Connected To 030-0002)
Belmont Conf Center Dobbin House
W.R. Grace & Co.
Potomac Sands (See 0180035)
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
How Does This Compare?
Columbia (21044) has more violations than 53% 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.
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.