Dauphin Water Quality Report
12 cities ranked · Average grade: C- · Pennsylvania
Avg Score
55.7
Cities Ranked
12
Health Violations
10
PFAS Detected
4
55.7
County avg score
12
Cities ranked
25%
A or B grade
42%
D or F grade
10
Health violations
4
PFAS detected
Grade Distribution
How Dauphin cities scored
A
1
8%
Excellent
B
2
17%
Good
C
4
33%
Fair
D
1
8%
Poor
F
4
33%
Failing
Comparison
County vs Pennsylvania average
▼ 2.6 pts below state average
City Map
Water quality across Dauphin
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Dauphin
Worst cities
County context
1,312
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Dauphin
Industrial polluters nearby
Facilities reporting the most surface-water releases in Dauphin, 2023.
Total reported releases to surface water: 1,312 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CLEVELAND-CLIFFS STEELTON LLC STEELTON, PA17113 | Manganese compounds | 1,084 |
HIGHSPIRE TERMINALS - DE LLC/HIGHSPIRE TERMINAL MIDDLETOWN, PA17057 | Xylene (mixed isomers) | 179 |
DURA-BOND PIPE LLC STEELTON, PA17113 | Manganese | 49 |
MACK TRUCKS INC REMANUFACTURING CENTER MIDDLETOWN, PA17057 | Lead | 0 |
HERSHEY CO WEST HERSHEY PLANT HERSHEY, PA17033 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 12 cities in Dauphin
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Elizabethville | A- | 86.7 | 3K | 114 | Unresolved | |
| 2 | Millersburg | B | 76.2 | 5K | 82 | Health PFAS Unresolved | |
| 3 | Royalton | B | 75 | 1K | 17 | Health Lead Unresolved | |
| 4 | Hummelstown | C+ | 68.7 | 57K | 72 | Health PFAS Unresolved | |
| 5 | Halifax | C- | 59 | 2K | 331 | Health Unresolved | |
| 6 | Middletown | C- | 57 | 10K | 318 | Health PFAS Unresolved | |
| 7 | Williamstown | C- | 56.6 | 2K | 123 | Lead Unresolved | |
| 8 | Gratz | D+ | 53 | 738 | 153 | Health Lead Unresolved | |
| 9 | Gap | F | 41 | 672 | 719 | Health Unresolved | |
| 10 | Harrisburg | F | 35.6 | 248K | 1051 | Health PFAS Unresolved | |
| 11 | Lemoyne | F | 31 | 2K | 480 | Health Lead Unresolved | |
| 12 | Lykens | F | 29 | 3K | 298 | Health Lead Unresolved |