S.C.R. No. 13 is a resolution from the Texas Legislature addressing Mexico's failure to meet its water delivery obligations to the United States as outlined in a 1944 treaty. The Rio Grande, which serves as a vital water source for Texas, is impacted by Mexico's non-compliance, leading to significant water shortages for municipal, industrial, and agricultural users in the state. The resolution highlights that Mexico is currently 984,814 acre-feet behind in its water deliveries and emphasizes the economic and environmental consequences of this shortfall, including disruptions in agriculture and increased costs for rural municipalities.

The resolution urges the U.S. Department of State and the International Boundary and Water Commission to take necessary actions to ensure Mexico adheres to the treaty's terms and prioritizes water deliveries to the United States during annual allocation discussions. It calls for recognition of the critical socioeconomic importance of this issue and requests that official copies of the resolution be sent to relevant federal officials to facilitate compliance and address the ongoing water crisis affecting Texas.