Water Quality in Ashburn, VA (20135)

EPA violation data for public water systems serving ZIP code 20135.

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

3,585

Population

14

Water Systems

40

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (14)

Loudoun Water - Central System

All resolved
Surface water 334,808 people served
1 violation (5yr) · All resolved
Lead tested: 0.5 ppb (limit: 15 ppb)

Leesburg, Town Of

Surface water 65,028 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Charles Town Utilities

Surface water 15,220 people served
30 violations (5yr)
Lead tested: 0.6 ppb (limit: 15 ppb)

Virginia National Golf Club

Groundwater 350 people served
0 violations

Retreat

Groundwater 250 people served
0 violations

Whitehall Associates Lc

All resolved
Groundwater 125 people served
1 violation (5yr) · All resolved

River Park

1 health-based
Groundwater 100 people served
5 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Village Montessori School At Bluemont

All resolved
Groundwater 55 people served
1 violation (5yr) · All resolved
Lead tested: 0.31 ppb (limit: 15 ppb)

Pine Grove Restaurant

Groundwater 50 people served
2 violations (5yr)

Horseshoe Curve Restaurant

Groundwater 44 people served
0 violations

Boulder Crest Retreat

Groundwater 35 people served
0 violations

Bear Chase Brewery

Groundwater 25 people served
0 violations

Dirt Farm Brewery

Groundwater 25 people served
0 violations

Bear'S Den Trail Center

Groundwater 25 people served
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

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

5 violations
All resolved
Public NoticeMonitoring
6 violations
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
Surface Water Treatment RuleMonitoring
1 violation
All resolved
ChloramineMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
Nitrate-NitriteMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.6 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Ashburn (20135) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 40.

Fewer violations 88th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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