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Table Al Comparing Sonic Water Level Meter Depth to Water Measurements with Other Methods <br />HydroBase identifier Sonic DTW Result (ft) Other Measurement Method Difference Difference <br />"locnum" DTW Result (ft) Meas. Device DTW Result (ft) (ft) (%) <br />SC00406914CBB2 403.05 1000' M-scope 403.23 -0.18 0.0 <br />SC00407001 DB1 612.37 1000' M-scope 611.29 1.08 0.2 <br />SC01006111 BCB 234.00 300' steel tape 233.59 0.41 0.2 <br />SC00906132DCD 125.05 300' steel tape 123.59 1.46 1.2 <br />SC00906016BBB 105.80 300' steel tape 104.01 1.79 1.7 <br />SB00106529CDC 52.00 300' steel tape 51.01 0.99 1.9 <br />SC01206325CBB 59.10 300' steel tape 58.54 0.56 1.0 <br />SC01406428AAC1 361.10 1000' M-scope 370.16 -9.06 -2.4 <br />SC01306418CBC 35.80 300' steel tape 35.23 0.57 1.6 <br />SC01306434CCD 39.80 300' steel tape 39.25 0.55 1.4 <br />SC01206632AAA 36.30 300' steel tape 35.75 0.55 1.5 <br />SC01206614BAA 171.00 300' steel tape 167.02 3.98 2.4 <br />SC01106531 DCA 242.80 300' steel tape 232.87 9.93 4.3 <br />SC01106721 DC 31.30 300' steel tape 30.54 0.76 2.5 <br />SC01106509ABD 114.50 300' steel tape 113.29 1.21 1.1 <br />SC00406116ACC 217.58 300' steel tape 217.38 0.20 0.1 <br />SC00306328ADA 127.13 300' steel tape 125.83 1.30 1.0 <br />SC00406502ABB 233.70 300' steel tape 233.28 0.42 0.2 <br />SC00406307CCB 302.94 500' steel tape 304.40 -1.46 -0.5 <br />