Linn Water Quality Report
14 cities ranked · Average grade: B+ · Iowa
Avg Score
84.9
Cities Ranked
14
Health Violations
9
PFAS Detected
3
84.9
County avg score
14
Cities ranked
93%
A or B grade
7%
D or F grade
9
Health violations
3
PFAS detected
Grade Distribution
How Linn cities scored
A
10
71%
Excellent
B
3
21%
Good
C
0
0%
Fair
D
1
7%
Poor
F
0
0%
Failing
Comparison
County vs Iowa average
▼ 2.6 pts below state average
City Map
Water quality across Linn
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Linn
Best cities
County context
93.6%
of residents on fluoridated water (CDC, 2020)
763
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Linn
Industrial polluters nearby
Facilities reporting the most surface-water releases in Linn, 2023.
Total reported releases to surface water: 763 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
PMX INDUSTRIES INC CEDAR RAPIDS, IA52404 | Copper compounds | 603 |
RED STAR YEAST CO LLC CEDAR RAPIDS, IA52404 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 148 |
CARGILL INC CORN MILLING CEDAR RAPIDS, IA52401 | Acetaldehyde | 8 |
PRAIRIE CREEK GENERATING STATION CEDAR RAPIDS, IA52404 | Barium And Barium Compounds | 2 |
HIGHWAY EQUIPMENT CO CEDAR RAPIDS, IA52404 | Manganese | 1 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 14 cities in Linn
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Central City | A | 93.9 | 1K | 12 | Health Unresolved | |
| 2 | Alburnett | A | 92.4 | 675 | 25 | Health Unresolved | |
| 3 | Ely | A | 92.3 | 2K | 7 | Unresolved | |
| 4 | Walker | A | 92.3 | 688 | 8 | Unresolved | |
| 5 | Mount Vernon | A | 92.2 | 5K | 9 | Unresolved | |
| 6 | Palo | A | 92 | 2K | 14 | Health Unresolved | |
| 7 | Springville | A | 90 | 1K | 18 | Unresolved | |
| 8 | Fairfax | A- | 89.3 | 3K | 12 | Health Unresolved | |
| 9 | Coggon | A- | 89 | 701 | 41 | Unresolved | |
| 10 | Marion | A- | 85.9 | 44K | 98 | Health Unresolved | |
| 11 | Lisbon | B+ | 80.8 | 2K | 86 | Health Unresolved | |
| 12 | Center Point | B | 79.8 | 3K | 43 | Health Unresolved | |
| 13 | Hiawatha | B- | 73.2 | 7K | 64 | Health Unresolved | |
| 14 | Cedar Rapids | D | 45.5 | 144K | 365 | Health Unresolved |