Tillamook County, OR Water Table Trend
The nearest real water-table reading to Tillamook County, OR
Multnomah County, OR, 65 miles from Tillamook County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Tillamook County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Tillamook County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Multnomah County, OR's full page. See the no-data guide for why a county this close to a qualifying well still doesn't get its own number.
About Tillamook County
Tillamook County, Oregon covers 1,103 square miles and is home to about 27,264 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Tillamook County isn't one of them yet, see the methodology guide for the exact qualifying bar.