Stop by our booth at the Columbia Slough Watershed Council and Portland Water Bureau's Aquifer Adventure! Event activities will include: - A treasure hunt - Canoe rides - Face painting - Hands-on science activities - Ice cream aquifers and much more! FREE!  No registration required. All activities (including 15-minute canoe rides) are free and available on a first-come, first-served basis. More about Portland’s Groundwater: Groundwater from the Columbia South Shore is a secondary source of drinking water for Portland and is a critical component of the region’s drinking water system. Groundwater is used to help meet higher summer water demands and to provide water during emergencies or when Portland’s primary drinking water source, the Bull Run watershed, is not available. This event is a part of the outreach efforts of the Portland Water Bureau’s Groundwater Protection Program. The Cities of Portland, Gresham and Fairview have implemented this program to protect the Columbia South Shore Well Field – a drinking water source for over 900,000 Oregonians. One of the main goals of the groundwater protection program is to educate people and businesses and to prevent chemical spills that could seep into the ground and pollute our drinking water. The cooperation of...