He was a charter member and governor's appointee to Montana's Upper Clark Fork River Basin Remediation and Restoration Advisory Council from 1998–2002. The Council advises the Governor of Montana and works to promote public involvement, educational activities, and develop policy involving the State of Montana’s $215 million settlement for damages to natural resources caused by a century of mining and smelting activities. Munday helped establish the Council's newsletter and school resources, an effort that culminated in the establishment of the Clark Fork Watershed Education Program, hosted by Montana Tech of the University of Montana.