Gilliam Water Quality Report
2 cities ranked · Average grade: B+ · Oregon
Avg Score
83.7
Cities Ranked
2
Health Violations
1
PFAS Detected
0
83.7
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
0
PFAS detected
Grade Distribution
How Gilliam cities scored
A
1
50%
Excellent
B
1
50%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Oregon average
▲ 21.4 pts above state average
City Map
Water quality across Gilliam
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Gilliam
Best cities
Worst cities
County context
46.9%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Gilliam
Industrial polluters nearby
Facilities reporting the most surface-water releases in Gilliam, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CHEMICAL WASTE MANAGEMENT OF THE NORTHWEST INC. ARLINGTON, OR97812 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings