USGS Water-Year Summary 2023
452840122302202 01S/02E-13CDA1
LOCATION - Lat 45°28'40.02", long 122°30'24.18" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 SW 1/4 sec.13, T.100 S., R.200 E., Multnomah County, OR, Hydrologic Unit 17090012, 0.5 mi west of Powell Butte.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 16.75 ft. Upper casing diameter 2 in; top of first opening 13.75 ft, bottom of last opening 16.75 ft. Well unused.
DATUM - Land-surface datum is 241.85 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing on the east side, marked with yellow paint, 0.9 ft above land-surface datum, Aug. 12, 1987 to present.
PERIOD OF RECORD - October 2014 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 1.72 ft below land-surface datum, Dec. 7, 2015; lowest water level, 12.41 ft below land-surface datum, Oct. 2, 2015.