PlainWater
Counties → Virginia

Prince William County, Virginia

Water Systems
45
Population Served
416,494
Total Violations
1,444
327 health-based
PFAS Detected
4
of 5 tested

Violation Analysis

84.4%
Systems with Violations
32.1
Avg Violations per System
22.6%
Health-Based Violations

Water Source Types

GW
37 systems (82%)
SW
8 systems (18%)

PFAS Contamination

5
Systems Tested
4
PFAS Detected
80.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Prince William Virginia water systems by violation status, EPA SDWIS records.

No violations on record (7) One or more violations (38)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Pwcsa - East 168,747 1 Detected
Pwcsa - West 136,409 0 Detected
Dale City 72,062 3 Detected
Quantico Marine Base-Mainside 19,000 204 Clean
Quantico McB-Camp Barrett 8,689 19 Detected
Bull Run Mountain/Evergreen (Brme) 1,803 13 -
Brentsville High School 1,600 46 -
Catharpin Square 968 268 -
The Nokesville School 867 0 -
Quantico, Town Of 650 16 -
Quantico McB-Camp Upshur 625 40 -
Bull Run Golf Club 420 46 -
Catharpin Park 400 0 -
Valley View Park 400 7 -
Blue Ridge Seafood 370 24 -
Linton Hall School 350 137 -
Woodbridge MHP LLC 320 26 -
Nokesville Mini Library 250 12 -
Bristow Manor Golf Club 219 50 -
Pwcsa - Hoadly Manor 207 0 -
Silver Lake Regional Park 200 14 -
Holy Family Academy 170 20 -
Buckhall Vfd 150 28 -
Nokesville Community Park 150 27 -
Public Safety Training Ctr. 150 8 -
Greenville Farm Campground 125 7 -
Renaissance Montessori 120 8 -
Nokesville Square 120 32 -
Pwcsa - Carters Grove 105 0 -
Independent Hill Library 100 38 -
Forest Greens Golf 85 20 -
Winery at Sunshine Ridge Farm 80 8 -
Fairfax Rod & Gun Club 75 1 -
Nokesville Church of the Brethren 68 18 -
Prince William Golf Course 65 16 -
Transportation Area (Pr.wm.co. Schools) 63 30 -
Farm Brewery at Broad Run 56 0 -
Camp Snyder 50 33 -
Greenwich Presbyterian Preschool 44 126 -
Nokesville Family Dentistry 33 4 -
Effingham Winery 28 3 -
Rainbow Riding Center 26 0 -
Brawner Farm 25 24 -
Nokesville Dollar General 25 3 -
Hector`s of Nokesville 25 64 -

Other Counties in Virginia

Fairfax County
44 systems · 1,317,489 served · 2,070 violations
Loudoun County
102 systems · 433,414 served · 4,980 violations
Chesterfield County
9 systems · 390,851 served · 331 violations
Henrico County
12 systems · 330,857 served · 390 violations
Arlington County
4 systems · 244,747 served · 65 violations
Stafford County
18 systems · 127,351 served · 1,020 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Prince William County? ▼
Prince William County has 1,444 total drinking water violations across 45 water systems, of which 327 are health-based violations. 84.4% of systems have at least one violation.
How many people get water from Prince William County systems? ▼
Water systems in Prince William County serve approximately 416,494 people through 45 public water systems.
Has PFAS been detected in Prince William County water? ▼
Of 5 water systems tested for PFAS in Prince William County, 4 had PFAS detected (80.0% detection rate).
What types of water sources supply Prince William County? ▼
Water systems in Prince William County use GW (37 systems), SW (8 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 22.6% of Prince William County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.