Water restrictions puts spotlight back on desalination plant conversation – Texas The restrictions are part of the drought contingency plan and are based on the combined capacity lake levels of Lake Corpus Christi and the Choke Canyon Reservoir. That level has now fallen to below 40-percent.For most of us, the initial part of this plan will affect when we water the lawn. Corpus Christi’s Mayor Joe McComb said finding an alternative water source could very well help the city avoid future water restrictions during drought conditions. (LINK). HIWI042020-12-29T12:44:09+01:00