N.M. Admin. Code § 20.6.4.101

Current through Register Vol. 35, No. 23, December 10, 2024

Section 20.6.4.101 - RIO GRANDE BASIN

The main stem of the Rio Grande from the international boundary with Mexico upstream to one mile downstream of Percha dam.

A.Designated uses: irrigation, marginal warmwater aquatic life, livestock watering, wildlife habitat and primary contact.

B.Criteria:

(1) The use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses except that the following segment-specific criterion applies: temperature 34°C (93.2°F) or less.

(2) At mean monthly flows above 350 cfs, the monthly average concentration for: TDS 2,000 mg/L or less, sulfate 500 mg/L or less and chloride 400 mg/L or less.

C.Remarks: sustained flow in the Rio Grande below Caballo reservoir is dependent on release from Caballo reservoir during the irrigation season; at other times of the year, there may be little or no flow.

N.M. Admin. Code § 20.6.4.101

20.6.4.101 NMAC - Rp 20 NMAC 6.1.2101, 10-12-00; A, 12-15-01; A, 05-23-05; A, 12-01-10, Amended by New Mexico Register, Volume XXVIII, Issue 02, January 31, 2017, eff. 3/2/2017