[2022 AR] Regulation 72 Responsibilities - Page 3

Regulation 72
2022 Report

Regulation 72 Responsibilities

The activities under Regulation 72 are assigned to different entities.


CCBWQA is to construct Pollutant Reduction Facilities, implement a public information and education program, and conduct water quality monitoring. CCBWQA may collaborate on floodplain, riparian corridor, conservation easements, and wetlands projects. CCBWQA must report annually to the Commission and Division on activities required under Regulation 72.

Colorado Water Quality Control Division

The Colorado Water Quality Control Division (Division) must include phosphorus effluent limits in discharge permits issued to wastewater facilities, industrial process wastewater facilities, drinking water treatment facilities, and in Notices of Authorization issued to reclaimed water treaters. In addition, special Regulation 72 requirements must be included in all Municipal Separate Storm Sewer System (MS4) permits in the basin. The Division is also directed to collaborate with agricultural and silvicultural owners/operators in pursuing incentives, grants, and cooperative programs to study and control nonpoint sources, as well as collaborate with local governments to encourage connection of existing OWTS and new development to central wastewater facilities.

Tri-County Health

Tri-County Health Department cannot allow construction of new Onsite Wastewater Treatment Systems in the 100-year floodplain (The Tri-County Health Department was dissolved on December 31, 2022 and replaced by the Adams, Arapahoe and Douglas County Health Departments). 


Many partners work together to protect water quality in the Cherry Creek Watershed to support designated uses such as a thriving fishery and multiple recreational uses.