cover image: Impacts of Variable Climate and Effluent Flows on the Transboundary Santa Cruz Aquifer

Impacts of Variable Climate and Effluent Flows on the Transboundary Santa Cruz Aquifer

21 Jul 2020

However, current gaps in knowledge the world; determine the usefulness of this informa- exist related to the joint analysis of the long-term tion for the formulation of updated regulations for impact of effluent discharge, climate uncertainties, the SCAMA; and identify water governance gaps and groundwater pumping downstream of the within the binational TSCA pertaining the ownership NIWTP; the imp. [...] The 1944 Water Treaty creation of the SCAMA occurred at approximately the regarding the “Utilization of Waters of the Colorado same time, provisional AWS rules for the SCAMA do and Tijuana Rivers and of the Rio Grande” (1944 not fully incorporate its management goals (ADWR Treaty) is the main water-allocating mechanism for 1999). [...] mined within the context of Article 27 of the Mexican Constitution (DOF 1992), which describes that the Minute Date Description "ownership of the lands and waters within the bound- 602 1958 Joint operation and maintenance of the Nogales aries of the national territory is vested originally in International Sanitation Project (IBWC 1958) the Nation, which has had, and has, the right to 227 1967 Enla. [...] Cruz River inflows for the overall water balance and Figure 9 shows the cumulative distributions of the the importance of analyzing a time series that repre- water balance by the end of the 40-year period of sim- sents the expected inter-annual variability in the ulations. [...] R12-15-718) and Min- understanding of the impacts of variations in effluent ute 227 and 276 indicate that Mexico reserves the discharge, groundwater demand, and surface water right to reclaim the effluent from the NIWTP that is flows in the SCAMA, which is a requirement for the equivalent to the sewage inflow from Nogales, Sonora.
Pages
22
Published in
United States of America

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