USGS Water-Year Summary 2023
375259093181401 Pomme de Terre State Park
Ozark Plateaus aquifer system
Roubidoux Formation
LOCATION - Lat 37°52'58.7", long 93°18'14.1" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 sec.12, T.36 N., R.22 W., Hickory County, MO, Hydrologic Unit 10290107,
REVISIONS HISTORY - Revisions: Land-surface datum was updated to 886.31 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 890 ft NGVD29 from a topographic map. Discrete water-level measurements prior to May 22, 2023, are referenced to the original datum.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 886.31 ft above North American Vertical Datum of 1988. Measuring point: DNR DCP platform, 3.1 ft above land-surface datum, Feb. 22, 1965 to present.
PERIOD OF RECORD - April 18, 2007 to present.
GAGE - April 18, 2007 to present; water level recording device -DCP with telemetry capability; water level measuring device -float and encoder.
COOPERATION - From April 8, 2007 to present, data furnished by Missouri Department of Natural Resources (MDNR). Data processed by USGS and MDNR.