Conchas River

Streamflow, conditions and background by watershed segment. Data through November 1, 2026.

Where it is

Segments are the HUC8 watersheds the gauges sit in, numbered upstream to downstream. Use the buttons to switch between the state and the river.

Map of the Conchas River in New MexicoNew Mexico, with the Conchas River's 1 watershed segment shaded and numbered upstream to downstream, the river and its gauges.Beaver CreekCanadian RiverChaco RiverEast Fork Gila RiverGila RiverMimbres RiverPecos RiverRio ChamaRio GrandeRio HondoRio PuercoRio SaladoRio San JoseSalt CreekSan Francisco RiverSan Juan River1. Conchas (HUC 11080005)Conchas RiverAlbuquerqueSanta FeLas CrucesRoswellFarmingtonConchas RiverCanadian River1. Conchas (HUC 11080005)Corazon CreekCorazon CreekCorazon CreekCorazon CreekSalitre CreekSalitre CreekSalitre CreekCorazon CreekConchas RiverConchas LakeConchas LakeConchas LakeConchas LakeCONCHAS RIVER AT VARIADERO, NM (Conchas)1
  • 1Conchas
  • river and reservoirs
  • gauge

About the Conchas River

This report follows 81 miles (130 km) of the Conchas River, all within the Conchas watershed segment. At the lower end of the report the river drains about 514 square miles. Downstream of the mapped reach it flows into the Canadian River. Named tributaries joining it here include the Corazon Creek and Salitre Creek. Reservoirs on this reach: Conchas Lake. 1 gauge with at least 26 weeks of daily flow cover 1936 to 2026.

From the archive: NHDPlus river network, WBD watersheds, NHD waterbodies, TIGER urban areas and the report's gauges.

From the headwaters down

Each watershed segment in order, with last week's flow rated against the same week in 1991–2020.

  1. Segment 1: Conchas

    43 cfs last week much above normal, 101 dry days this year.

    Median conductance 616 µS/cm in the 2010s. Rain over the last 3 months: 146% of normal.

Reservoirs

No reservoir with 500 acre-feet or more of storage on this river in the National Inventory of Dams.

Water users

Surface water withdrawn, 2020

In the counties this river crosses (San Miguel): 69,992 acre-feet. County totals include other streams.

Surface-water withdrawals by use
UseShare (bar)ShareAcre-ft
Irrigated agriculture51%36,028
Reservoir evaporation45%31,162
Public water supply3%2,142
Commercial1%646
Livestock0%14

State Engineer, New Mexico Water Use by Categories 2020.

Sources

Numbered sources for the statements above, as they were read when the page was prepared.