Implementation of Standards

• Cancellation of 2014 Section 303(d) Listing Process  
• EPA action on 2012 Section 303(d) list  
• 303(d) Listing Methodology, 2012 Listing Cycle  
• Section 303(d) List and Colorado Monitoring and Evaluation List (Regulation #93) (Regulation #93)
• Water Quality Control Division Total Maximum Daily Load (TMDL) Program  

Water Quality Permiting

Section 25-8-202(7), C.R.S. (commonly known as SB89-181) clarifies the roles of several Colorado state agencies regarding water quality responsibilities. Under the provisions of this section:

1. the  Water Quality Control Commission is solely responsible for the adoption of water quality standards and classifications for state waters;
2. the Water Quality Control Division is solely responsible for the issuance and enforcement of permits for point source discharges to Colorado surface waters; and
3. the following identified “implementing agencies” have the initial responsibility for implementation of water quality standards to protect ground water quality:

a.  Division of Reclamation, Mining and Safety;
b.  State Engineer;
c.  Oil and Gas Conservation Commission;
d.  Hazardous Materials and Waste Management Division;
e.  Division of Oil and Public Safety.

• SB 89-181 Implementing Agencies Memoranda of Agreements (MOA's)

• SB 89-181 Implementing Agencies Annual Reports