USGS Water-Year Summary 2023
383226092054001 Jefferson City East
Ozark Plateaus aquifer system
Gasconade Dolomite
LOCATION - Lat 38°32'26.2", long 92°05'40.7" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SE 1/4 sec.23, T.44 N., R.11 W., Cole County, MO, Hydrologic Unit 10300102,
REVISIONS HISTORY - Revisions: Land-surface datum was revised to 704.41 ft NAVD88 on Oct. 4, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published in error as 691 ft NGVD29 from topographic map. Discrete water-level measurements referenced to NGVD29 and NAVD88 were revised, based on changes to the land-surface datum.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 704.41 ft above North American Vertical Datum of 1988. Measuring point: DNR DCP platform shelf, 2.8 ft above land-surface datum, Mar. 26, 2009 to present.
PERIOD OF RECORD - March 26, 2009 to present.
GAGE - March 26, 2009 to present, DCP with telemetry capability, and float and encoder installed as the water level recording and measuring devices.