USGS Water-Year Summary 2024
08390500 RIO HONDO AT DIAMOND A RANCH, NEAR ROSWELL, NM
LOCATION - Lat 33°20'57", long 104°51'06" referenced to North American Datum of 1983, Chaves County, NM, Hydrologic Unit 13060008, on right bank 40 ft downstream from bridge on Mossman Road at Diamond A Ranch farm, 1.3 mi south of U.S. Highway 70-380, 13 mi upstream from Two Rivers Reservoir, 21 mi upstream from mouth of Rocky Arroyo, 18 mi west of Roswell, and at mile 44.7.
DRAINAGE AREA - 947 mi². (contributing area)
REVISIONS HISTORY - WSP 1392: drainage area. WSP 1512: 1939-40(P), 1941, 1942-43(P), 1946(P). Datum of gage is 4187.54 ft above NAVD88 as determined by a GNSS Level II rapid-static survey performed by the USGS on June 15, 2020.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1908 to August 1909, May 1939 to current year. Monthly discharge only for 1908-9, published in Technical Report 7, State of New Mexico, State Engineer Office, "Streamflow and Reservoir Content, 1888-1954."
GAGE - Water-stage recorder with satellite telemetry, concrete control and crest-stage gage. Elevation of gage is 4,190 ft above NGVD of 1929, from topographic map. Prior to Nov. 11, 1965, at site on left bank at same datum.
EXTREMES OUTSIDE PERIOD OF RECORD - A flood on June 1, 1937, reached a discharge of 24,900 ft³/s at Riverside, about 13 mi upstream. Other major floods occurred Oct. 31, 1901, Sept. 29 and 30, 1904, and July 25, 1905.