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.~,:, n /1 ~.: /:U''X') Table 3.1 Summary Matrix of Resource Impacts under the Current Situation, No Action Alternative and the Construction Alternative. Resource Current No Action Alternative Construction Alternative Hydrology (c6nl.) Pueblo Board of -Pueblo Board of Water Works -No diversions would be made -Pueblo West would only Water Works 17 is required to make 17 cfs by Pueblo West; no imp8cts to divert water released for their CFS Raw Water releases from Pueblo Reservoir the 17 cfs releases would occur use; Pueblo West generally Releases and to supplement Arkansas River would divert in summer and Diversions to the flows when it drops below 50 Pueblo Board of Water Works Comanche Pump cfs releases are expected to be in Station and winter; no impacts are Whitlock Water anticipated to 17 cfs releases Treatmeat Plant or diversions to the Comanche Pump Station and Whitlock Water Treatment Plant Water Quality -Arkansas River water quality -No impacts are expected, -Potential for temporary downstream of Pueblo because no:construction impacts to Arkansas River Reservoir is reflective of water activities would occur water quality due to soil released from reservoir storage disturbance by construction activities Recreation White Water -State of Colorado and -No change in net river flow or -No change in net river flow or R8fting on the Reclamation work impact to r8fting is 8nticipated impact to rafting is anticipated Arkansas River collaboratively to provide as a result of no action as a result of the Construction desirable flows for white water Alternative rafting on the Arkansas between July I and August 15 Rock Canyon -The West Pueblo Ditch -No changes to the existing -Modification to the diversion Swim Beach diversion which supplies water Pueblo West structure are structure has potential to to the Rock C8nyon Swim anticipated, therefore no disrupt flows to the West Beach is located impacts to either the West Pueblo Ditch during approximately V, miles Pueblo Ditch diversion construction activities and downstream of the Pueblo structure or its diversions are permanently if the design West's existing riprap expected impedes flows . diversion Threatened and -Multiple species potentially -No net changes in Arkansas - No aet chaages in Arkansas Endangered present within the action area River or Pueblo Reservoir 8nd River or Pueblo Reservoir, and Species no ground disturbing 8ctivities no species or critical habitat in - no effect area of ground disturbance - no effect Cultural -There is potential for cultaral -No effect .to cultural resources - No effect to cultural Resour,ces resources throughout the, is expecteq because: (I) there resources is expected because: action area . will be no net ch8nges in (1) there will be no net Arkansas River or Pueblo changes in Arkansas River or Reservoir, 'and (2) because no Pueblo Reservoir, and (2) ground disturbing activities are because the survey of areas . anticipated with ground disturbing activities indicated that no cultural resources were oresent Noxious Weeds -Several populations of -No increase in the spread of -Ground disturbing activities Russian kn8pweed and salt nox.ious weeds is anticipated associated with Construction cedar exist within the area because nq ground disturbing Alternative have potential to . where ground disturbing activities ~e anticipated spread noxious weeds activities will occur 8