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Smith Rock State Park in Central Oregon draws upwards of an ever increasing 300,000 visitors per year, looking to hike, run, rock climb, mountain bike, take photos, and enjoy time outdoors with loved ones. In 2015, the park installed its TTS decomposition system as a retrofit for a failing Phoenix “composting” toilet. This site has become an interesting case study. Since this retrofit, a Phoenix and a TTS system have been housed right next to each other in a two-stall toilet building at the base of the park entrance. In the first few years, 30,000-40,000 pounds of bulked up human waste have been manually removed from the bottom of the failing Phoenix system, while the TTS decomposition and urine drain field have produced ZERO pounds of waste for disposal. After seeing TTS prove its worth in this case study, the park is now looking to retrofit its remaining Phoenix systems to TTS systems. The Smith Rock park rangers are happy to provide references for their experience with the TTS systems and how we are changing their waste management for the better. 

Smith Rock State Park

  • Location

    Bend, OR
    Building Type Retrofit
    Solid Waste System Decompose
    Liquid Waste System Drainfield
  • "I highly recommend the TTS system. At our peak visitation, I would estimate approximately 50 users per day. We retrofitted a Phoenix composting building from the 90's with the TTS and have seen a huge decrease in waste volume, and significantly better composting as a result of the urine diversion. The TTS is easy to clean and care for, and maintenance hours and costs are significantly less than the toilets we use in other parts of the park. Going forward, our park will be installing more units and other parks in our agency have also installed TTS toilets. Based on my experience, I can attest these toilets are simple and effective, and Geoff Hill is easy to work with and has stood behind his product. "

    Josie Barnum, Park Ranger

USA Headquarters

Seattle, WA

Contact: sherri@toilettech.com

Links to downloadable brochures on Product Pages 

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