Water Quality in Herndon, VA (22079)

EPA violation data for public water systems serving ZIP code 22079.

No Health-Based Violations

None of the 17 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 36% of US ZIP codes.

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

35,284

Population

17

Water Systems

2

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (17)

Fairfax County Water Authority

Surface water 1,121,613 people served
0 violations

Fcwa - Lorton Wtp Old, New, & River Sta

Surface water 411,608 people served
0 violations

Dulles Airport

All resolved
Purchased surface water 76,500 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Fairfax Water - Arlington Special

Purchased surface water 1,327 people served
0 violations

Pohick Episcopal Church

Groundwater 500 people served
0 violations

Pohick Bay - Pool

Groundwater 200 people served
0 violations

Bar J Restaurant

Groundwater 200 people served
0 violations

No Va Rg Pk Auth-Pohick Bay Mr

Groundwater 150 people served
0 violations

Pohick Inn

Groundwater 140 people served
0 violations

Oak Grove Campsites

Groundwater 125 people served
0 violations

5750 Club Inc

Groundwater 100 people served
0 violations

Pohick Bay - Comfort Station #1

Groundwater 100 people served
0 violations

Gunston Hall

Groundwater 76 people served
0 violations

Pohick Bay - Comfort Station #2

Groundwater 50 people served
0 violations

Beach'S Marina

Groundwater 50 people served
0 violations

Pohick Bay - Comfort Station #3

Groundwater 50 people served
0 violations

Fairfax Yacht Club

All resolved
Groundwater 31 people served
1 violation (5yr) · All resolved

Contaminants Found

Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Herndon (22079) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.

Fewer violations 36th 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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