Okla. Stat. tit. 82, § 82-575: Establishing stream and rain gauges, etc. - Surveys and

investigations.

The board of directors shall also have the right to establish

and maintain streamgauges, rain gauges, a flood warning service with

telephone or telegraph service, and may make such surveys and

examination of rainfall and flood conditions, stream flow, and other

scientific and engineering subjects as are necessary and proper for

the purposes of the district, and they may issue reports of their

findings.