WALLA WALLA, Wash., Dec. 4, 2025 /PRNewswire/ -- In a unique step forward in sustainable, low-energy wastewater treatment, the City of Walla Walla has an unlikely partner - earthworms. The system ...
WALLA WALLA, Wash., Dec. 10, 2025 /PRNewswire/ -- Amidst increasing pressure for the water sector to finance capital improvements, Perca, Inc. provides a proven alternative using an unlikely partner - ...
WALLA WALLA, Wash., Dec. 18, 2024 /PRNewswire/ -- Perca, Inc., an environmental technology firm, has developed an innovative system for water regeneration that uses earthworms and microbial ...
Innovative, low-energy wastewater treatment aims to advance sustainability in the seafood industry WALLA WALLA, Wash. , Dec. 11, 2025 /PRNewswire/ -- Perca, Inc. has announced the launch of a ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results