Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 671 - MAXIMUM SETBACK ZONE FOR COMMUNITY WATER SUPPLY WELLS
Subpart C - REQUESTS FOR AGENCY REVIEW AND CONFIRMATION
Table B - Well Functions for Unconfined or Water Table Aquifers

Universal Citation: 35 IL Admin Code ยง B
Current through Register Vol. 48, No. 38, September 20, 2024

1/uA

G = 0.001

G = 0.01

G = 0.06

G = 0.2

G = 0.6

G = 1.0

G = 2.0

G = 4.0

G = 6.0

4.0x10 -1

2.48 x10 -2

2.41 x10 -2

2.30 x10 -2

2.14 x10 -2

1.88 x10 -2

1.70 x10 -2

1.38 x10 -2

9.33 x10 -3

6.39 x10 -3

8.0 x10 -1

1.45 x10 -1

1.40 x10 -1

1.31 x10 -1

1.19 x10 -1

9.88 x10 -2

8.49 x10 -2

6.03 x10 -2

3.17 x10 -2

1.74 x10 -2

1.4 x100

3.58 x10 -1

3.45 x10 -1

3.18 x10 -1

2.79 x10 -1

2.17 x10 -1

1.75 x10 -1

1.07 x10 -1

4.45 x10 -2

2.10 x10 -2

2.4 x100

6.62 x10 -1

6.33 x10 -1

5.70 x10 -1

4.83 x10 -1

3.43 x10 -1

2.56 x10 -1

1.33 x10 -1

4.76 x10 -2

2.14x10 -2

4.0x100

1.02 x100

9.63 x10 -1

8.49x10 -1

6.88 x10 -1

4.38 x10 -1

3.00 x10 -1

1.40x10 -1

4.78 x10 -2

2.15 x10 -2

8.0x100

1.57 x100

1.46 x100

1.23 x100

9.18 x10 -1

4.97 x10 -1

3.17x10 -1

1.41 x10 -1

1.4x101

2.05 x100

1.88x100

1.51 x100

1.03 x100

5.07 x10 -1

2.4x101

2.52 x100

2.27 x100

1.73 x100

1.07x100

4.0x101

2.97 x100

2.61 x100

1.85 x100

1.08 x100

8.0x101

3.56 x100

3.00x100

1.92 x100

1.4x102

4.01 x100

3.23 x100

1.93 x100

2.4x102

4.42 x100

3.37 x100

1.94 x100

4.0x102

4.77 x100

3.43x100

8.0x102

5.16 x100

3.45x100

1.4x103

5.40 x100

3.46 x100

2.4x103

5.54 x100

4.0x103

5.59 x100

8.0x103

5.62 x100

1.4x104

5.62x100

3.46x100

1.94x100

1.08x100

5.07x10-1

3.17x10-1

1.41x10-1

4.78x10-2

2.15x10-2

1/uB

G = 0.001

G = 0.01

G = 0.06

G = 0.2

G = 0.6

G = 1.0

G = 2.0

G = 4.0

G = 6.0

4.0 x 10-4

5.62 x 100

3.46 x 100

1.94 x 100

1.09 x 100

5.08 x 10-1

3.18 x10-1

1.42 x 10-1

4.79 x 10-2

2.15 x 10-2

8.0 x 10-4

4.80 x 10-2

2.16 x 10-2

1.4 x 10-3

4.81 x 10-2

2.17 x 10-2

2.4 x 10-3

4.84 x 10-2

2.19 x 10-2

4.0 x 10-3

5.08 x 10-1

3.18 x 10-1

1.42 x 10-1

4.78 x 10-2

2.21 x 10-2

8.0 x 10-3

5.09 x 10-1

3.19 x 10-1

1.43 x 10-1

4.96 x 10-2

2.28 x 10-2

1.4 x 10-2

5.10 x 10-1

3.21 x 10-1

1.45 x 10-1

5.09 x 10-2

2.39 x 10-2

2.4 x 10-2

5.12 x 10-1

3.23 x 10-1

1.47 x 10-1

5.32 x 10-2

2.57 x 10-2

4.0 x 10-2

5.16 x 10-1

3.27 x 10-1

1.52 x 10-1

5.68 x 10-2

2.86 x 10-2

8.0 x 10-2

1.09 x 100

5.24 x 10-1

3.37 x 10-1

1.62 x 10-1

6.61 x 10-2

3.62 x 10-2

1.4 x 10-1

1.94 x 100

1.10 x 100

5.37 x 10-1

3.50 x 10-1

1.78 x 10-1

8.06 x 10-2

4.86 x 10-2

2.4 x 10-1

1.95 x 100

1.11 x 100

5.57 x 10-1

3.74 x 10-1

2.05 x 10-1

1.06 x 10-1

7.14 x 10-2

4.0 x 10-1

1.96 x 100

1.13 x 100

5.89 x 10-1

4.12 x 10-1

2.48 x 10-1

1.49 x 10-1

1.13 x 10-1

8.0 x 10-1

5.62 x 100

3.46 x 100

1.98 x 100

1.18 x 1010

6.67 x 100

5.60 x 10-1

3.57 x 10-1

2.66 x 10-1

2.31 x 10-1

1.4x 100

5.63 x 100

3.47 x 100

2.01 x 100

1.24 x 100

7.80 x 10-1

6.42 x 10-1

5.17 x 10-1

4.45 x 10-1

4.19 x 10-1

2.4 x 100

5.63 x 100

3.49 x 100

2.06 x 100

1.35 x 100

9.54 x 10-1

8.50 x 10-1

7.63 x 10-1

7.18 x 10-1

7.03 x 10-1

4.0 x 100

5.63 x 100

3.51 x 100

2.13 x 100

1.50 x 100

1.20 x 100

1.13 x 100

1.08 x 100

1.06 x 100

1.05 x 100

8.0 x 100

5.64 x 100

3.56 x 100

2.31 x 100

1.85 x 100

1.68 x 100

1.65 x 100

1.63 x 100

1.63 x 100

1.63 x 100

1.4 x 101

5.65 x 100

3.63. x 100

2.55 x 100

2.23 x 100

2.15 x 100

2.14 x 100

2.14 x 100

2.14 x 100

2.14 x 100

2.4 x 101

5.67 x 100

3.74 x 100

2.86 x 100

2.68 x 100

2.65 x 100

2.65 x 100

2.64 x 100

2.64 x 100

2.64 x 100

4.0 x 101

5.70 x 100

3.90 x 100

3.24 x 100

3.15 x 100

3.14 x 100

3.14 x 100

3.14 x 100

3.14 x 100

3.14 x 100

8.0 x 101

5.76 x 100

4.22 x 100

3.85 x 100

3.82 x 100

3.82 x 100

3.82 x 100

3.82 x 100

3.82 x 100

3.82 x 100

1.4 x 102

5.85 x 100

4.58 x 100

4.38 x 100

4.37 x 100

4.37 x 100

4.37 x 100

4.37 x 100

4.37 x 100

4.37 x 100

2.4 x 102

5.99 x 100

5.00 x 100

4.91 x 100

4.91 x 100

4.91 x 100

4.91 x 100

4.91 x 100

4.91 x 100

4.91 x 100

4.0 x 102

6.16 x 100

5.46 x 100

5.42 x 100

5.42 x 100

5.42 x 100

5.42 x 100

5.42 x 100

5.42 x 100

5.42 x 100

8.0 x 102

6.47 x 100

6.11 x 100

6.11 x 100

6.11 x 100

6.11 x 100

6.11 x 100

6.11 x 100

6.11 x 100

6.11 x 100

1.4 x 103

6.67 x 100

6.67 x 100

6.67 x 100

6.67 x 100

6.67 x 100

6.67 x 100

6.67 x 100

6.67 x 100

6.67 x 100

2.4 x 103

7.21 x 100

7.21 x 100

7.21 x 100

7.21 x 100

7.21 x 100

7.21 x 100

7.21 x 100

7.21 x 100

7.21 x 100

4.0 x 103

7.72 x 100

7.72 x 100

7.72 x 100

7.72 x 100

7.72 x 100

7.72 x 100

7.72 x 100

7.72 x 100

7.72 x 100

8.0 x 103

8.41 x 100

8.41 x 100

8.41 x 100

8.41 x 100

8.41 x 100

8.41 x 100

8.41 x 100

8.41 x 100

8.41 x 100

1.4 x 104

8.97 x 100

8.97 x 100

8.97 x 100

8.97 x 100

8.97 x 100

8.97 x 100

8.97 x 100

8.97 x 100

8.97 x 100

2.4 x 104

9.51 x 100

9.51 x 100

9.51 x 100

9.51 x 100

9.51 x 100

9.51 x 100

9.51 x 100

9.51 x 100

9.51 x 100

4.0 x 104

1.94 x 101

1.94 x 101

1.94 x 101

1.94 x 101

1.94 x 101

1.94 x 101

1.94 x 101

1.94 x 101

1.94 x 101

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