Water Quality in Ashburn, VA (20175)

EPA violation data for public water systems serving ZIP code 20175.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 12 monitoring/reporting violations.

More violations than 68% of US ZIP codes.

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

34,733

Population

35

Water Systems

13

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (35)

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)

Simpson Middle School

Groundwater 1,701 people served
0 violations

Broad Run High School

Groundwater 1,701 people served
0 violations

Selma Estates

Groundwater under influence of surface water 1,540 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Elysian Heights

Groundwater 1,061 people served
0 violations

Va Revolution Sportsplex

All resolved
Groundwater 1,001 people served
1 violation (5yr) · All resolved

Cornerstone Christian Academy

All resolved
Groundwater 653 people served
2 violations (5yr) · All resolved
Lead tested: 4.52 ppb (limit: 15 ppb)

Beacon Hill-Lcsa

Groundwater 333 people served
0 violations

Reserve At Rokeby Farm

Groundwater 284 people served
0 violations

Lucketts Elementary School

Groundwater 269 people served
0 violations
Lead tested: 0.61 ppb (limit: 15 ppb)

Arcola Community Center

Groundwater 200 people served
0 violations

Waterford Elementary School

Groundwater 196 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb)

Banneker Elementary School

Groundwater 193 people served
0 violations
Lead tested: 0.14 ppb (limit: 15 ppb) Copper tested: 1700 ppb (limit: 1300 ppb)

Lincoln Elementary School

All resolved
Groundwater 137 people served
2 violations (5yr) · All resolved
Lead tested: 0.17 ppb (limit: 15 ppb)

Hillsboro Elementary School

Groundwater 136 people served
0 violations

Winnie The Pooh Preschool

Groundwater 110 people served
0 violations

Aldie Elementary School

Groundwater 106 people served
0 violations

Creighton Farms

Groundwater 95 people served
0 violations

Church Of The Nazarene

Groundwater 75 people served
0 violations

Lucketts Community Center

Groundwater 70 people served
0 violations

Stone Tower - Tower View

1 health-based
Groundwater 58 people served
3 violations (5yr) · 1 health-based · All resolved

North Oatlands Animal Hospital

Groundwater 55 people served
0 violations

Lukeville Border Station

Groundwater 45 people served
0 violations

Congregation Sha`Are Shalom

Groundwater 42 people served
0 violations

Valley View Mhp

Groundwater 42 people served
0 violations

Lcdpr - Mickey Gordon Park

Groundwater 30 people served
0 violations

Oatlands Plantation

Groundwater 30 people served
0 violations

Goose Creek Golf Club

Groundwater 25 people served
0 violations

Evergreen United Methodist Church

All resolved
Groundwater 25 people served
3 violations (5yr) · All resolved

Hllsboro Community Center

Groundwater 25 people served
0 violations

Leesburg Animal Park

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

Sterling Community Center Annex

Groundwater 25 people served
0 violations

Boyd Montessori School

Groundwater 25 people served
0 violations

Mountain View Elementary School

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

10 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.61 ppb measured Action level: 15 ppb

Sampled: Jul 2025

Copper (Cu)

Exceeds limit
1700 ppb measured Action level: 1300 ppb

Sampled: Jan 2022

How Does This Compare?

Ashburn (20175) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13.

Fewer violations 68th 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.

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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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