LOCATION.--Lat 42° 45'48", long 114° 51'39"(Rev.)(NAD83), in SE1/4 NW1/4 sec.6, T.8 S., R.14 E., Gooding County, ID, Hydrologic Unit 17040212, Tuttle quad., 500 ft downstream from confluence of Riley Creek springs and Lewis Spring, 0.15 mi downstream from US Fish Hatchery, and 4 mi southeast of Hagerman.

PERIOD OF RECORD.--June 1951 to December 1959 (discontinued).

GAGE.--Water-stage recorder. Elevation of gage is 2,955 ft above NGVD of 1929, from topographic map. Prior to June 17, 1955, at site 1,200 ft downstream, at different datum.

REMARKS.--Flow at this station plus flow of Brailsford ditch (sta 13133500) gives total flow from Riley and Lewis Springs, plus small intervening inflow. Flow diverted from Lewis Spring to Brailsford ditch for irrigation. Slight regulation by ponds at fish hatchery. Begining about Aug. 30, 1957, water was diverted from Bickel Spring through Bickel ditch to Riley Creek upstream from this station.

EXTREMES FOR PERIOD OF RECORD.--Maximum daily discharge, 78 ft³/s Nov. 14, 15, 20-23, 1953; minimum daily, 49 ft³/s July 28, 1959.