USGS Water-Year Summary 2023
370236093174401 Nixa
Ozark Plateaus aquifer system
Canadian Series
LOCATION - Lat 37°02'35.2", long 93°17'42.3" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 SW 1/4 sec.13, T.27 N., R.22 W., Christian County, MO, Hydrologic Unit 11010002,
REVISIONS HISTORY - Revisions: Land-surface datum was updated to 1,291.97 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 1,295 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 1,291.97 ft above North American Vertical Datum of 1988. Measuring point: DNR DCP platform shelf, 4.0 ft above land-surface datum, Jun. 1, 1942 to present.
PERIOD OF RECORD - 12/11/2008 to present.
GAGE - December 11, 2008 to present; DCP with telemetry capability, and float and encoder, installed as the water level recording and measuring devices.