Pecos River Compact Accounting

Compact accounting is completed using a complex methodology originally submitted in Texas v. New Mexico Supreme Court litigation as Texas Exhibit No. 108 in 1987. The methodology is incorporated in the Pecos River Master’s Manual. The Manual has been amended several times since its adoption. It is available here for download.

Pecos River Compact accounting is completed for the preceding water year each spring. Pecos Bureau staff compliles provisional gage and reservoir data throughout the year. Finalized data are transmitted to the federally appointed Pecos River Master in the spring of the following year. By May 15th, the River Master submits to New Mexico and Texas his Preliminary Compact Accounting Report. The states have until June 1st.