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After an extensive stakeholder process, Regulation 43 On-Site Wastewater Treatment System Regulation were adopted 5/8/17 and became effective 6/30/17. Counties have until 6/30/2018 to adopt their county specific regulations. The new regulation can be found on the CDPHE website here. Septic tank,…

The Onsite Wastewater Treatment System Industry Leader Award award is given each year to a CPOW member in recognition of their contributions to the Onsite Wastewater Treatment System (OWTS) Industry in the state of Colorado. To be eligible for the…

Dr. Seigrist's book Decentralized Water Reclamation Engineering is now available here!