N.M. Admin. Code § 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.
Notes
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