Southeast Wyoming Oil Spill Association (SEWOSA)

The Southeast Wyoming Oil Spill Association (SEWOSA) is a non-profit mutual aid cooperative made up of Wyoming pipeline operators. We work together to provide the equipment and expertise needed to respond to petroleum spills in a safe and efficient manner.

Bob Dundas (President)
307.266.0411 (office)
307.247.3702 (cell)
Bob.Dundas@truecos.com

Andrew Zawislanski (Secretary/Treasurer)
307.215.4139 (cell)
Andrew.P.Zawislanski@p66.com

Week of Nov 29th
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
November 29, 2021 November 30, 2021 December 1, 2021 December 2, 2021 December 3, 2021 December 4, 2021 December 5, 2021

Our Partners

Tallgrass
Bridger Pipeline LLC
Holly Frontier
Sinclair
Silver Creek
Magellan
Philips 66