The provisions of C.R S. 25-8-202(1)(a), (b) and (2); 25-8-203; 25-8-204; and 25-8-402; provide the specific statutory authority for adoption of these regulatory amendments. The Commission also adopted in compliance with 24-4-103(4) C.R.S. the following statement of basis and purpose.
BASIS AND PURPOSE
Pursuant to the requirements in the Basic Standards (at 31.7(3)), the Commission reviewed the status of temporary modifications scheduled to expire before December 31, 2015, to determine whether the temporary modification should be modified, eliminated or extended. Temporary modifications of 3 standards on 3 segments were reviewed.
Eagle River, segments 8 and 9a: The Commission deleted the temporary modifications of the temperature standards. These temporary modifications expired on 12/31/2013.
No Action: The temporary modification to the iron standard on Grassy Creek, Yampa River segment 13e, was reviewed. Seneca Coal Company presented evidence that progress is being made on the plan to resolve uncertainty. Seneca Coal Company is on schedule to address this segment at the regularly scheduled Basin hearing (June 2014).
PARTIES TO THE RULEMAKING HEARING
1. Rio Grande Silver, Inc.2. Black Hawk/Central City Sanitation District and City of Black Hawk3. Centennial Water & Sanitation District, City of Littleton, City of Englewood4. Colorado Parks and Wildlife5. Homestake Mining Company of California6. Metro Wastewater Reclamation District7. South Platte Coalition for Urban River Evaluation (SP CURE)10. Tri-State Generation and Transmission Association13. Environmental Protection Agency14. Barr Lake and Milton Reservoir Watershed Association15. Plum Creek Water Reclamation Authority37 CR 17, September 10, 2014, effective 12/31/201438 CR 03, February 10, 2015, effective 6/30/201539 CR 03, February 10, 2016, effective 3/1/201639 CR 03, February 10, 2016, effective 6/30/201639 CR 11, June 10, 2016, effective 6/30/201640 CR 03, February 10, 2017, effective 6/30/201740 CR 17, September 10, 2017, effective 9/30/201741 CR 03, February 10, 2018, effective 6/30/201841 CR 07, April 10, 2018, effective 6/30/201842 CR 04, February 25, 2019, effective 6/30/201942 CR 17, September 10, 2019, effective 12/31/201943 CR 03, February 10, 2020, effective 6/30/202044 CR 05, March 10, 2021, effective 6/30/202144 CR 17, September 10, 2021, effective 12/31/202145 CR 17, September 10, 2022, effective 9/30/202246 CR 10, May 25, 2023, effective 6/14/2023