20220131 07452400 1.0 TRUE Concern Ratings 2021 Oregon groundwater resource concern rating for each Public Land Survey System Township. See the "comment" column for a list of component data points that led to the concern rating in each Township. The concerns map and concern ratings treat aquifer systems as connected. However, the narrative description of individual sources of concern indicates which aquifer system is associated with each concern. Therefore, the comment for each township comprises a set of statements grouped by aquifer system. The aquifer system is indicated by a 4-letter code: UNKN Unknown, or no aquifer system specified for the data source QLTS Quaternary-Late Tertiary Sediment Aquifers QLTV Quaternary-Late Tertiary Volcanic and Volcaniclastic Rock Aquifers LTBA Late Tertiary Basalt Aquifers METV Middle-Early Tertiary Volcanic and Volcaniclastic Rock Aquifers TMVS Tertiary Marine Volcanic and Sedimentary Rock Aquifers MZGR Mesozoic Granitic Rock Aquifers MPRK Mesozoic-Paleozoic Rock Aquifers Within the statement for each aquifer system, the comment lists all the concerning data points in that township and aquifer system. See report text for detail: https://apps.wrd.state.or.us/apps/misc/vault/vault.aspx?Type=WrdNotice&notice_item_id=8693 Ben Scandella, 2021