Water Quality in Herndon, VA (22101)
EPA violation data for public water systems serving ZIP code 22101.
No Health-Based Violations
None of the 19 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 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
30,953
Population
19
Water Systems
8
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (19)
Fairfax County Water Authority
Fcwa - Lorton Wtp Old, New, & River Sta
Arlington County
Dulles Airport
All resolvedNational Airport
Great Falls Park
All resolvedJames M Wordsworth
Evans Farm Inn
Grace Kempton
Langley Coop Presch D Rivers
Mclean Church Of Christ
Pines Mobile Estates
All resolvedTara School C/O R F Rogers
Cloverlawn Academy-Mrs H Clark
Libby Carswell C/O Young Group
Springhill Exxon Service Cente
Mclean Bapst Ch Mother Day Out
Great Falls Pk Turkey Run Hdqt
Rocky Bend Farm
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: Jan 2024
How Does This Compare?
Herndon (22101) has more violations than 62% 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.