WaterVerge

Monroe Water Quality Report

3 cities ranked · Average grade: C+ · Illinois

Avg Score
67.5
Cities Ranked
3
Health Violations
2
PFAS Detected
3
Live Water Alerts for Illinois →
67.5
County avg score
3
Cities ranked
33%
A or B grade
0%
D or F grade
2
Health violations
3
PFAS detected

How Monroe cities scored

33%
67%
A
0
0%
Excellent
B
1
33%
Good
C
2
67%
Fair
D
0
0%
Poor
F
0
0%
Failing

County vs Illinois average

C+
Monroe
67.5/100
B
Illinois avg
79.7/100
▼ 12.2 pts below state average

Water quality across Monroe

Each dot is a city, colored by grade. Click any city to view its full report.

Illinois city water quality map
100.0%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities

Top industrial polluters in Monroe

Industrial polluters nearby

Facilities reporting the most surface-water releases in Monroe, 2023.

FacilityTop chemicalTo surface water (lbs/yr)
MOZEL COLUMBIA
Chemicals · EMCO CHEMICAL DISTRIBUTORS INC
COLUMBIA, IL62236

Source: EPA Toxic Release Inventory (TRI) 2023

All 3 cities in Monroe

# City Grade Score Score Population Violations Issues
1 Columbia
B+
80.2
11K 4 Unresolved
2 Waterloo
C
63.2
10K 39 Health Unresolved
3 Valmeyer
C-
59.1
5K 66 Health Unresolved
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