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Illinois Administrative Code (Last Updated: March 27, 2024) |
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TITLE35. ENVIRONMENTAL PROTECTION |
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PART671. MAXIMUM SETBACK ZONE FOR COMMUNITY WATER SUPPLY WELLS |
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SUBPARTC. REQUESTS FOR AGENCY REVIEW AND CONFIRMATION |
§671.TABLE B. Well Functions for Unconfined or Water Table Aquifers
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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
2.48x10 -2
2.41x10 -2
2.30x10 -2
2.14x10 -2
1.88x10 -2
1.70x10 -2
1.38x10 -2
9.33x10 -3
6.39x10 -3
8.0x10 -1
1.45x10 -1
1.40x10 -1
1.31x10 -1
1.19x10 -1
9.88x10 -2
8.49x10 -2
6.03x10 -2
3.17x10 -2
1.74x10 -2
1.4x100
3.58x10 -1
3.45x10 -1
3.18x10 -1
2.79x10 -1
2.17x10 -1
1.75x10 -1
1.07x10 -1
4.45x10 -2
2.10x10 -2
2.4x100
6.62x10 -1
6.33x10 -1
5.70x10 -1
4.83x10 -1
3.43x10 -1
2.56x10 -1
1.33x10 -1
4.76x10 -2
2.14x10 -2
4.0x100
1.02x100
9.63x10 -1
8.49x10 -1
6.88x10 -1
4.38x10 -1
3.00x10 -1
1.40x10 -1
4.78x10 -2
2.15x10 -2
8.0x100
1.57x100
1.46x100
1.23x100
9.18x10 -1
4.97x10 -1
3.17x10 -1
1.41x10 -1
1.4x101
2.05x100
1.88x100
1.51x100
1.03x100
5.07x10 -1
2.4x101
2.52x100
2.27x100
1.73x100
1.07x100
4.0x101
2.97x100
2.61x100
1.85x100
1.08x100
8.0x101
3.56x100
3.00x100
1.92x100
1.4x102
4.01x100
3.23x100
1.93x100
2.4x102
4.42x100
3.37x100
1.94x100
4.0x102
4.77x100
3.43x100
8.0x102
5.16x100
3.45x100
1.4x103
5.40x100
3.46x100
2.4x103
5.54x100
4.0x103
5.59x100
8.0x103
5.62x100
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
SOURCE: Adapted from SP Neuman Water Resources Research 11(1985)329-42.