Skip to main content

Illinois Digital Archives

Add or remove other collections to your search:



You've searched: All Collections

  • All fields: 107363
(1 result)



Display: 20

    • Illinois Water Quality Report

    • Natural resources and the environment: Water resources; Natural resources and the environment: Water resources: Groundwater; Natural resources and the environment: Water resources: Lakes; Natural resources and the environment: Water resources:...
    • This report satisfies the requirements of the Clean Water Act, Section 305 b . The quality of the state's surface and groundwater resources is reported. Assessments are based on biological, water, sediment, physical-habitat, and fish-tissue...

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK
Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK