35 Ill. Adm. Code 671.TABLE B

B Well Functions for Unconfined or Water Table Aquifers

Year: 2026Length: 1,418 wordsOfficial source
Section 671.TABLE B   Well Functions for Unconfined or Water Table Aquifers 1/u A 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 1.4x10 0 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 2.4x10 0 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 4.0x10 0 1.02x10 0 9.63x10 -1 8.49x10 -1 6.88x10 -1 4.38x10 -1 3.00x10 -1 1.40x10 -1 4.78x10 -2 2.15x10 -2 8.0x10 0 1.57x10 0 1.46x10 0 1.23x10 0 9.18x10 -1 4.97x10 -1 3.17x10 -1 1.41x10 -1 1.4x10 1 2.05x10 0 1.88x10 0 1.51x10 0 1.03x10 0 5.07x10 -1 2.4x10 1 2.52x10 0 2.27x10 0 1.73x10 0 1.07x10 0 4.0x10 1 2.97x10 0 2.61x10 0 1.85x10 0 1.08x10 0 8.0x10 1 3.56x10 0 3.00x10 0 1.92x10 0 1.4x10 2 4.01x10 0 3.23x10 0 1.93x10 0 2.4x10 2 4.42x10 0 3.37x10 0 1.94x10 0 4.0x10 2 4.77x10 0 3.43x10 0 8.0x10 2 5.16x10 0 3.45x10 0 1.4x10 3 5.40x10 0 3.46x10 0 2.4x10 3 5.54x10 0 4.0x10 3 5.59x10 0 8.0x10 3 5.62x10 0 1.4x10 4 5.62x10 0 3.46x10 0 1.94x10 0 1.08x10 0 5.07x10 -1 3.17x10 -1 1.41x10 -1 4.78x10 -2 2.15x10 -2 1/u B 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 10 0 3.46 x 10 0 1.94 x 10 0 1.09 x 10 0 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 10 0 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 10 0 1.10 x 10 0 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 10 0 1.11 x 10 0 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 10 0 1.13 x 10 0 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 10 0 3.46 x 10 0 1.98 x 10 0 1.18 x 10 10 6.67 x 10 0 5.60 x 10 -1 3.57 x 10 -1 2.66 x 10 -1 2.31 x 10 -1 1.4x 10 0 5.63 x 10 0 3.47 x 10 0 2.01 x 10 0 1.24 x 10 0 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 10 0 5.63 x 10 0 3.49 x 10 0 2.06 x 10 0 1.35 x 10 0 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 10 0 5.63 x 10 0 3.51 x 10 0 2.13 x 10 0 1.50 x 10 0 1.20 x 10 0 1.13 x 10 0 1.08 x 10 0 1.06 x 10 0 1.05 x 10 0 8.0 x 10 0 5.64 x 10 0 3.56 x 10 0 2.31 x 10 0 1.85 x 10 0 1.68 x 10 0 1.65 x 10 0 1.63 x 10 0 1.63 x 10 0 1.63 x 10 0 1.4 x 10 1 5.65 x 10 0 3.63. x 10 0 2.55 x 10 0 2.23 x 10 0 2.15 x 10 0 2.14 x 10 0 2.14 x 10 0 2.14 x 10 0 2.14 x 10 0 2.4 x 10 1 5.67 x 10 0 3.74 x 10 0 2.86 x 10 0 2.68 x 10 0 2.65 x 10 0 2.65 x 10 0 2.64 x 10 0 2.64 x 10 0 2.64 x 10 0 4.0 x 10 1 5.70 x 10 0 3.90 x 10 0 3.24 x 10 0 3.15 x 10 0 3.14 x 10 0 3.14 x 10 0 3.14 x 10 0 3.14 x 10 0 3.14 x 10 0 8.0 x 10 1 5.76 x 10 0 4.22 x 10 0 3.85 x 10 0 3.82 x 10 0 3.82 x 10 0 3.82 x 10 0 3.82 x 10 0 3.82 x 10 0 3.82 x 10 0 1.4 x 10 2 5.85 x 10 0 4.58 x 10 0 4.38 x 10 0 4.37 x 10 0 4.37 x 10 0 4.37 x 10 0 4.37 x 10 0 4.37 x 10 0 4.37 x 10 0 2.4 x 10 2 5.99 x 10 0 5.00 x 10 0 4.91 x 10 0 4.91 x 10 0 4.91 x 10 0 4.91 x 10 0 4.91 x 10 0 4.91 x 10 0 4.91 x 10 0 4.0 x 10 2 6.16 x 10 0 5.46 x 10 0 5.42 x 10 0 5.42 x 10 0 5.42 x 10 0 5.42 x 10 0 5.42 x 10 0 5.42 x 10 0 5.42 x 10 0 8.0 x 10 2 6.47 x 10 0 6.11 x 10 0 6.11 x 10 0 6.11 x 10 0 6.11 x 10 0 6.11 x 10 0 6.11 x 10 0 6.11 x 10 0 6.11 x 10 0 1.4 x 10 3 6.67 x 10 0 6.67 x 10 0 6.67 x 10 0 6.67 x 10 0 6.67 x 10 0 6.67 x 10 0 6.67 x 10 0 6.67 x 10 0 6.67 x 10 0 2.4 x 10 3 7.21 x 10 0 7.21 x 10 0 7.21 x 10 0 7.21 x 10 0 7.21 x 10 0 7.21 x 10 0 7.21 x 10 0 7.21 x 10 0 7.21 x 10 0 4.0 x 10 3 7.72 x 10 0 7.72 x 10 0 7.72 x 10 0 7.72 x 10 0 7.72 x 10 0 7.72 x 10 0 7.72 x 10 0 7.72 x 10 0 7.72 x 10 0 8.0 x 10 3 8.41 x 10 0 8.41 x 10 0 8.41 x 10 0 8.41 x 10 0 8.41 x 10 0 8.41 x 10 0 8.41 x 10 0 8.41 x 10 0 8.41 x 10 0 1.4 x 10 4 8.97 x 10 0 8.97 x 10 0 8.97 x 10 0 8.97 x 10 0 8.97 x 10 0 8.97 x 10 0 8.97 x 10 0 8.97 x 10 0 8.97 x 10 0 2.4 x 10 4 9.51 x 10 0 9.51 x 10 0 9.51 x 10 0 9.51 x 10 0 9.51 x 10 0 9.51 x 10 0 9.51 x 10 0 9.51 x 10 0 9.51 x 10 0 4.0 x 10 4 1.94 x 10 1 1.94 x 10 1 1.94 x 10 1 1.94 x 10 1 1.94 x 10 1 1.94 x 10 1 1.94 x 10 1 1.94 x 10 1 1.94 x 10 1 SOURCE: Adapted from SP Neuman Water Resources Research 11(1985)329-42.
35 Ill. Adm. Code 671.TABLE B: B Well Functions for Unconfined or Water Table Aquifers | Justis AI