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, higher level treatment system, and distribution product acceptance lists and letters along with other clarifications and useful information can be found on the CDPHE website here.
June 27 @ 8:00 am - June 28 @ 5:00 pm
September 12 @ 8:00 am - September 13 @ 5:00 am
September 20 @ 8:00 am - 5:00 pm