Sumner Sewage Treatment Plant is a sewage treatment plant located in Sumner, Washington. The plant offered a free and easily accessible dump station suitable for large RVs and trailers, but it is now permanently closed. The site is a sewage treatment plant with a distinct smell, and people appreciated the workers at the site.
You can visit the business website to learn more about this RV Dump station.
We always recommend double checking the RV Dump station hours before your visit.