USGS Water-Year Summary for Site 12507573

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	Available Parameters
	00010 Temperature, water(Min.,Max.,Mean)
	00095 Specific cond at 25C(Min.,Max.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	63680 Turbidity, Form Neph(Min.,Max.,Med.)
	99133 NO3+NO2,water,insitu(Min.,Max.,Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

12507573 YAKIMA RIVER AT RM 73.8 NEAR EMERALD, WA

LOCATION - Lat 46°17'06.80", long 120°05'31.18" referenced to North American Datum of 1983, in sec.08, T.9 N., R.22 E., Yakima County, WA, Hydrologic Unit 17030003,

SURFACE-WATER RECORDS

PERIOD OF RECORD - February 2022 to November 2023.

GAGE - Water-stage recorder. Datum of gage is 651.50 ft above NAVD of 1988 (USGS GNSS2 survey, March 29, 2022).

COOPERATION - Funded by Department of Ecology.

REMARKS - Flow affected by storage in five reservoirs, by diversions upstream from station for irrigation upstream and downstream from station of about 424,000 acres, and by return flow.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 13,300 ft³/s, June 11, 2022; gage height, 12.80 ft; minimum discharge, 604 ft³/s, Sept. 19, 2023.

WATER-QUALITY RECORDS

PERIOD OF RECORD - February 2022 to November 2023.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE (EXO 3): Seasonally Feb. 2022 to Nov. 2023. WATER TEMPERATURE (EXO 3): Seasonally Feb. 2022 to Nov. 2023. DISSOLVED OXYGEN (EXO 3): Seasonally Feb. 2022 to Nov. 2023. TURBIDITY (EXO 3): Seasonally June 2022 to Nov. 2023. NITRATE (SUNA): Seasonally Feb. 2022 to Nov. 2023.

INSTRUMENTATION - YSI EXO 3 multiparameter water-quality monitor and a SUNA Nitrate monitor.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE (EXO 3) Maximum, 627 µS/cm, Sept. 6, 2023; minimum, 83 µS/cm, June 10, 2022.

WATER TEMPERATURE (EXO 3) Maximum, 26.3°C, July 21, 2023; minimum, 1.0°C, Feb. 25, 2022.

DISSOLVED OXYGEN (EXO 3) Maximum, 15.1 mg/L, Feb. 25, 2022; minimum, 2.2 mg/L, April 18, 2023.

TURBIDITY (EXO 3): Maximum, 1,270 FNU, May 20, 2023; minimum, 0.6 FNU, March 18, 2023.

NITRATE (SUNA) Maximum, 1.04 mg/L, Sept. 30, 2023; minimum, 0.04 mg/L, June 27, 2022.