Source "Protected Areas" :World Database on Protected Areas (WDPA), a join project of IUCN and UNEP - Oct 2017
Source Dams Data Base - GRanDv1 : Lehner, B., C. Reidy Liermann, C. Revenga, C. Vorosmarty, B. Fekete, P. Crouzet, P. Doll, M. Endejan, K. Frenken, J. Magome, C. Nilsson, J.C. Robertson, R. Rodel, N. Sindorf, and D. Wisser. 2011. Global Reservoir and Dam Database, Version 1 (GRanDv1): Dams, Revision 01. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). GRanDv1
The Willamette River Water Coalition (WRWC) was created in 1997 under ORS Chapter 190 and is comprised of four local governments that have united together in order to preserve access to the Willamette River as a potential municipal and industrial water source for their communities. WRWC members include the cities of Tigard, Tualatin, and Sherwood, as well as the Tualatin Valley Water District.