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WSPC00304
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Last modified
1/26/2010 10:48:53 AM
Creation date
10/9/2006 2:04:33 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.106.I
Description
Colorado River Water Projects - Animas La Plata - Environmental Studies
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
4/15/2004
Author
DOI-BOR
Title
Animas La Plata Project - Environmental Commitment and Monitoring Plan
Water Supply Pro - Doc Type
Report/Study
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />0008~8 <br /> <br />and anions, trace metals, and radiometrics at 4 locations biweekly or monthly if <br />the groundwater is found to have an electrical conductivity of 1000 micromohes <br />per centimeter or greater, <br />iii) Ridges Basin Reservoir: <br />(1) If a gas pipeline in Ridges Basin is converted to carry petroleum products then a <br />petroleum product monitoring element will be incorporated into the water quality <br />monitoring program for Ridges Basin Reservoir. Refer to 13) Hazardous <br />Materials (13.a.i,2) for more information on pipeline conversion, See 5) Aquatic <br />Resources (5.d.i.l) for more detail on the water quality monitoring program in <br />Ridges Basin Reservoir <br />iv) UMTRA Water Quality Issues: <br />(1) Permit requirements and environmental compliance adequacy will be monitored <br />by Reclamation construction inspectors and contractor compliance technicians, <br />(2) There is concern that hazardous material located in the Bodo Canyon UMTRA <br />Disposal Site could get into Ridges Basin Reservoir. Refer to 13) Hazardous <br />Materials (13.b.ii.2) for more detail. To verify if this is or is not happening <br />Reclamation will sample and monitor on a quarterly basis DH-228 and DH-229 <br />(two ground water monitoring well located south of the UMTRA Disposal Site) <br />for indicators parameters including but not limited to molybdenum, selenium, and <br />uranium. <br /> <br />3) Vegetation Resources - Construction of project facilities will impact approximately 1,645 <br />acres of upland vegetation. The construction of Ridges Basin Dam and Reservoir will also <br />impact a total of approximately 121 acres of wetland/riparian and aquatic habitats. This total <br />includes irrigated wet meadow within Ridges Basin as well as wetland/riparian and aquatic <br />habitats associated with Basin Creek, which is an intermittent stream, In addition, <br />approximately 13 acres of wetland/riparian and aquatic habitats will be impacted below the <br />dam site. Construction of facilities such as the inlet conduit and the Navajo Nation <br />Municipal Pipeline (NNMP) and relocation of gas pipelines and transmission lines will <br />temporarily impact additional acreage, Also, the construction of non-binding water end uses <br />and conveyance systems has the potential to impact both wetland/riparian and upland areas, <br />Within the Animas River corridor, construction of the ALP Project will have limited impacts <br />to wetland/riparian habitat. Operation of the Project may have minor effects to <br />wetland/riparian habitat within the Animas River's zone-of-influence, <br /> <br /> <br />a) A voidancelMinimization: <br />i) By Design: <br />(1) The Durango Pumping Plant will be located at an upland location, which will <br />avoid impacts to wetland/riparian habitat areas along the Animas River, <br />ii) General Construction: <br />(1) Wherever practicable, all project facilities will be constructed to avoid or <br />minimize adverse impacts to wetland/riparian habitats. <br />(2) Reclamation will insure that construction contractors limit ground disturbance to <br />the smallest feasible area. <br />(3) Reclamation will ensure that the construction contractors implement BMPs, <br /> <br />12 <br />
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