Water Quality in Herndon, VA (22182)
EPA violation data for public water systems serving ZIP code 22182.
No Health-Based Violations
None of the 9 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are6 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 57% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
27,783
Population
9
Water Systems
6
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (9)
Fairfax County Water Authority
Fcwa - Lorton Wtp Old, New, & River Sta
Dulles Airport
All resolvedElkridge Estates Of Roland Park
Metropolitan Of Baltimore
Doctors Park Realty
Tpe Ri Wa1 Land Llc An0
All resolvedCamp Dogwood Summer Academy
Ridgeview Plaza (I/C 0020017)
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Herndon (22182) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6, 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.