# 420453089172601 Ogle County, IL, Local number, 24N10E-13.6e2 # Date Ground-Water Levels, period of record # (yr/mo/dy) (maximum feet below land-surface datum) 19891011 175.60 19891109 175.77 19900430 174.56 19920203 174.30 19920402 174.06 19920601 174.31 19920804 175.01 19921007 175.08 19921202 174.11 19930204 173.07 19930405 170.80 19930602 170.48 19930809 170.33 19931015 172.33 19931202 173.38 19940208 174.13 19940330 172.37 19940531 174.32 19940801 174.79 19941019 175.02 19941202 174.51 19950201 173.89 19950420 173.74 19950614 171.05 19951004 174.25 19951212 174.12 19960206 174.29 19960328 174.74 19960603 173.95 19961007 173.31 19961209 174.04 19970205 173.65 19970331 172.32 19970609 173.14 19970804 174.01