A local organization is celebrating their 30th anniversary with a special gathering this weekend. The Slippery Rock Watershed Coalition is planning to meet at Jennings Environmental Education Center on Saturday. Visitors will also be able to take a 45-minute guided tour of the Jennings Treatment System or explore the facility through self-guided tours. Visit the Slippery Rock Watershed Coalition on Facebook for more information. The post Slippery Rock Watershed To Celebrate 30th Anniversary appeared first on ButlerRadio.com – Butler, PA.