St. Louis city, MO Water Table Trend
St. Louis city, MO: the closest actual trend
St. Louis County, MO, 11 miles from St. Louis city, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside St. Louis city clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of St. Louis city's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See St. Louis County, MO'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 St. Louis city
St. Louis city, Missouri covers 62 square miles and is home to about 279,695 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; St. Louis city isn't one of them yet, see the methodology guide for the exact qualifying bar.