Lasalle Water Quality Report
15 cities ranked · Average grade: B- · Illinois
Avg Score
73
Cities Ranked
15
Health Violations
12
PFAS Detected
8
73
County avg score
15
Cities ranked
73%
A or B grade
27%
D or F grade
12
Health violations
8
PFAS detected
Grade Distribution
How Lasalle cities scored
A
6
40%
Excellent
B
5
33%
Good
C
0
0%
Fair
D
1
7%
Poor
F
3
20%
Failing
Comparison
County vs Illinois average
▼ 6.7 pts below state average
City Map
Water quality across Lasalle
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Lasalle
Best cities
Worst cities
County context
92.4%
of residents on fluoridated water (CDC, 2020)
1,041
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Lasalle
Industrial polluters nearby
Facilities reporting the most surface-water releases in Lasalle, 2023.
Total reported releases to surface water: 1,041 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CARUS LLC LASALLE SITE LA SALLE, IL61301 | Barium | 997 |
ILLINOIS CEMENT CO LA SALLE, IL61301 | Manganese | 16 |
SABIC INNOVATIVE PLASTICS US LLC OTTAWA, IL61350 | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 16 |
AMERICAN NICKELOID CO PERU, IL61354 | Nickel And Nickel Compounds | 6 |
REG SENECA LLC SENECA, IL61360 | Methanol | 5 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 15 cities in Lasalle
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Earlville | A | 94.3 | 2K | 9 | Unresolved | |
| 2 | Seneca | A | 92.7 | 2K | 19 | Health Unresolved | |
| 3 | Tonica | A | 91.5 | 705 | 30 | Health Unresolved | |
| 4 | Sheridan | A | 91 | 2K | 26 | Unresolved | |
| 5 | Streator | A- | 87.9 | 19K | 20 | Health Unresolved | |
| 6 | Leland | A- | 86.4 | 951 | 3 | Unresolved | |
| 7 | Grand Ridge | B+ | 81.6 | 515 | 73 | Health Unresolved | |
| 8 | North Utica | B | 75.4 | 1K | 55 | Health Unresolved | |
| 9 | Mendota | B | 75 | 7K | 38 | Health Unresolved | |
| 10 | Oglesby | B- | 73.3 | 5K | 104 | Health Unresolved | |
| 11 | La Salle | B- | 70.2 | 10K | 52 | Health Unresolved | |
| 12 | Marseilles | D | 47 | 5K | 189 | Health Unresolved | |
| 13 | Peru | F | 44.5 | 11K | 259 | Health Unresolved | |
| 14 | Ottawa | F | 43.3 | 19K | 287 | Health Unresolved | |
| 15 | St. Charles | F | 41 | 11K | 119 | Health Unresolved |