Prince William Water Quality Report
4 cities ranked · Average grade: C+ · Virginia
Avg Score
68.6
Cities Ranked
4
Health Violations
3
PFAS Detected
3
68.6
County avg score
4
Cities ranked
50%
A or B grade
25%
D or F grade
3
Health violations
3
PFAS detected
Grade Distribution
How Prince William cities scored
A
1
25%
Excellent
B
1
25%
Good
C
1
25%
Fair
D
0
0%
Poor
F
1
25%
Failing
Comparison
County vs Virginia average
▼ 10.3 pts below state average
City Map
Water quality across Prince William
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Prince William
Worst cities
County context
1
Superfund site in Prince William
99.2%
of residents on fluoridated water (CDC, 2020)
28,023
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Prince William
Industrial polluters nearby
Facilities reporting the most surface-water releases in Prince William, 2023.
Total reported releases to surface water: 28,023 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
U.S. MARINE CORPS BASE QUANTICO (ENTIRE FACILITY) QUANTICO, VA22134 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 25,386 |
POSSUM POINT POWER STATION DUMFRIES, VA22026 | Ammonia | 2,120 |
VIRGINIA CONCRETE GAINESVILLE PLANT GAINESVILLE, VA20155 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 209 |
VIRGINIA CONCRETE DUMFRIES PLANT DUMFRIES, VA22026 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 168 |
MICRON TECHNOLOGY INC. MANASSAS, VA20110 | Ammonia | 86 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Prince William
Superfund sites nearby
Federally tracked hazardous-waste sites within Prince William on the EPA National Priorities List.
- MARINE CORPS COMBAT DEVELOPMENT COMMAND
Source: EPA Superfund National Priorities List
Full Rankings
All 4 cities in Prince William
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Quantico | A | 93.3 | 650 | 6 | Unresolved | |
| 2 | Woodbridge | B+ | 81.2 | 307K | 4 | Health PFAS Unresolved | |
| 3 | Mcincr, Mcb Quantico | C | 61.4 | 28K | 69 | Health PFAS Unresolved | |
| 4 | Hopewell | F | 38.6 | 124K | 421 | Health PFAS Unresolved |