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Water-Year Summary for Site 452912122312801

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
72019 Water level, depth LSD(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
452912122312801 01.00S/02.00E-14ABC01
Willamette Lowland basin-fill aquifers
Troutdale Formation
LOCATION - Lat 45°29'11.27", long 122°31'33.92" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NE 1/4 sec.14, T.1 S., R.2 E., Multnomah County, OR, Hydrologic Unit 17090012, 1.0 mile west of Powell Butte.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 59 ft. Upper casing diameter 6 in; top of first opening 50 ft, bottom of last opening 58 ft. Well unused.
DATUM - Land-surface datum is 232 ft above North American Vertical Datum of 1988. Measuring point: Transfer MP created for migration, 0 ft above land-surface datum, Apr. 6, 1970 to Jun. 10, 1987; TOP OF BREATHER (VALUE UPDATED FROM 0.30 8/18/04 LSD REDEFINED AS TOP OF CEMENT PAD. DTS/KKL), 0.38 ft above land-surface datum, Jun. 9, 1987 to Oct. 3, 1998; SOUTH SIDE EDGE OF WELL CASING, 0.34 ft above land-surface datum, Oct. 2, 1998 to Oct. 3, 1998; TOP EDGE OF RECORDER FLOOR OBSERVATION HOLE, 1.4 ft above land-surface datum, Oct. 2, 1998 to Jun. 7, 2004; TOP OF LOCKING CAP (SOUTH), 0.38 ft above land-surface datum, Jun. 30, 2004 to Aug. 12, 2004; Top of instrument shelf, 1.31 ft above land-surface datum, Aug. 11, 2004 to present. Land-surface elevation is from City of Portland 2-foot contour map.
PERIOD OF RECORD - October 1998 to current year.
REMARKS - State well identification MULT 2881.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 36.03 ft below land-surface datum, Apr. 6, 7, 2017; lowest water level, 49.25 ft below land-surface datum, Dec. 1, 2002.