From The Colorado Springs Gazette (Daniel Chaćon):
The Rocky Mountain Environmental Labor Coalition and Pueblo County District Attorney Bill Thiebaut had appealed the 401 certification. They claimed that SDS failed to comply with all applicable state water quality requirements, among other assertions. They asked the commission to set aside the certification or send it back for further review.
Colorado Springs Mayor Lionel Rivera, a strong proponent of SDS, hailed Monday’s vote, saying the attempt to overturn the 401 certification was rooted in politics. “I think it highlights again that Bill Thiebaut is all about political grandstanding than actually prosecuting or spending his time on issues,” Rivera said…
The 401 certification was a prerequisite to the 404 permit issued by the U.S. Army Corps of Engineers, the last major approval Utilities needed for SDS.