Frederick Water Quality Report
8 cities ranked · Average grade: B · Maryland
Avg Score
78.3
Cities Ranked
8
Health Violations
8
PFAS Detected
3
78.3
County avg score
8
Cities ranked
88%
A or B grade
13%
D or F grade
8
Health violations
3
PFAS detected
Grade Distribution
How Frederick cities scored
A
4
50%
Excellent
B
3
38%
Good
C
0
0%
Fair
D
0
0%
Poor
F
1
13%
Failing
Comparison
County vs Maryland average
▲ 3.9 pts above state average
City Map
Water quality across Frederick
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Frederick
County context
1
Superfund site in Frederick
81.5%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Frederick
Industrial polluters nearby
Facilities reporting the most surface-water releases in Frederick, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
GRIFFITH ENERGY SERVICES INC FREDERICK BULK PLANT FREDERICK, MD21701 | — | — |
MCCORMICK PAINT WORKS CO FREDERICK, MD21704 | — | — |
RINKER MATERIALS HYDRO CONDUIT FREDERICK, MD21701 | — | — |
AMERICAN COMPUTER DEVELOPMENT INC (DBA ACDI) FREDERICK, MD21703 | — | — |
OLDCASTLE LAWN & GARDEN FREDERICK, MD21703 | — | — |
+ 1 more facility
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Frederick
Superfund sites nearby
Federally tracked hazardous-waste sites within Frederick on the EPA National Priorities List.
- FORT DETRICK AREA B GROUND WATER
Source: EPA Superfund National Priorities List
Full Rankings
All 8 cities in Frederick
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Myersville | A | 91 | 2K | 13 | Health Unresolved | |
| 2 | Walkersville | A- | 89 | 8K | 15 | Health Unresolved | |
| 3 | Brunswick | A- | 86.7 | 7K | 18 | Health Unresolved | |
| 4 | Woodsboro | A- | 85.1 | 846 | 27 | Health Unresolved | |
| 5 | Thurmont | B+ | 82.6 | 6K | 50 | Health PFAS Unresolved | |
| 6 | Middletown | B | 78.6 | 4K | 31 | Health PFAS Unresolved | |
| 7 | Emmitsburg | B | 75.9 | 4K | 83 | Health Unresolved | |
| 8 | Frederick | F | 37.5 | 147K | 205 | Health Unresolved |