Trees on a dam are considered a hazard as their roots can cause the dam to leak and high winds could blow the trees over, leaving a big hole where the roots were.
Reporting on water and rivers in the Roaring Fork and upper Colorado river basins.
City maintains rights for dams on Castle and Maroon creeks
The upper ends of both Castle and Maroon creek valleys would be the sites of two new city of Aspen water storage reservoirs and dams, under 47-year-old conditional water rights that the city has continued to keep alive.
Aspen defends its journey from penstock to drain line
Was the city manipulating a federal process in the name of public safety?
State: Those dam trees have to go
A state dam safety engineer is requiring the city of Aspen to cut down 25 trees on the Thomas Reservoir dam and said the trees may already have caused “dam safety problems.”
American Rivers fighting phantom dams on Crystal River
The listing of the Crystal River by American Rivers as one of the top-10 most endangered rivers in America this year is designed to influence the boards of two regional water districts
Aspen’s hydro process is criticized before Congress
The approach used by the city of Aspen to gain federal approval for a proposed hydropower plant was cited as a bad example by a critic of the project in testimony last week before a House subcommittee on energy and power in Washington, D.C.
New stream gauge on Castle Creek installed
The location is below the city’s diversion dam and its irrigation ditches, and above the location of the proposed hydropower plant’s tailrace where diverted water is to be returned to the stream.
Groups seek water for rivers, and fish, this summer
Seeking water owners who might be willing to lease their water on a short-term basis to the Colorado Water Conservation Board
City report on hydro riddled with errors
ASPEN – City of Aspen officials are working to correct several mistakes in a report submitted last week to the Federal Energy Regulatory Commission regarding its proposed hydropower plant on Castle Creek.
New report drops net power estimates for city hydro plant
Consultants for the city have lowered the estimate of how much electricity Aspen would likely produce if it built and operated a new hydro plant on Castle Creek