LOCATION.--Lat 47° 42'42", long 116° 57'15"(Rev.)(NAD83), in NW1/4 sec.3, T.50 N., R.5 W., Kootenai County, Post Falls quad., Hydrologic Unit 17010305, on left bank 300 ft downstream from headgate, and 0.5 mi northwest of Post Falls.

PERIOD OF RECORD.--May 1911 to September 1917, September 1919 to September 1966 (discontinued). Published as "Spokane Valley Land and Water Co.'s Canal at Post Falls", prior to 1924.

GAGE.--Water-stage recorder. Prior to Apr. 22, 1938, staff gages at several sites within 1,000 ft of present (1966) site at various datums.

REMARKS.--Canal diverts water for irrigation from Spokane River in NW1/4 sec.3, T.50 N., R.5 W.

COOPERATION.--Gage height record furnished by Spokane Valley Farms Co., and some discharge measurements furnished by Washington Water & Power Co.

EXTREMES FOR PERIOD OF RECORD.--Maximum daily discharge, 312 ft³/s May 22-24, 26, 28, 1956; no flow or small amount of leakage during nonirrigation seasons.