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<br />CHAPTER IV
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<br />CONSULTATION AND COORDINATION
<br />COMMENT LETTERS
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<br />Official FJ1~ Copy
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<br />DEPARTMENTOFTHEARMY
<br />RE"EIVElJ SACRAMENTO DISTRICT CORPS OF ENGINEERS
<br />'.1"" t'J'r,..l,; I"IFrl / 'l~f!i'" 650 CAPITOL MALL
<br />;'-.I":r,1 .,' ," . . -, S.<tCRAMENTQ,CALIFORNIA 95814-4794
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<br />::,e;jgSllolUlI 2S All 9: 36
<br />G.J.P.O.
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<br />June 21. 1990
<br />
<br />Regulatory Section
<br />
<br />Projects Manager
<br />Bureau of Reclamation
<br />Post Office Box 60340
<br />2764 Compass Drive
<br />Grand Junction, Colorado 81506
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<br />Dear Sir/Madam:
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<br />This is in response to the Draft Environmental Assessment
<br />for the Price and Stubb Ditch Improvements dated June, 1990.
<br />This project is a part of the Grand Valley Unit. Colorado River
<br />Basin Salinity Control Project. Mesa County, Colorado.
<br />
<br />The Department of the Army, Corps of Engineers, exercises
<br />regulatory jurisdiction on rivers. streams, lakes, impoundments,
<br />and wetlands. Section 404 of the Clean Water Act requires that
<br />any individual or entity proposing to discharge dredged or fill
<br />material into these "waters of the United States" obtain a
<br />Department of the Army permit prior to such a discharge.
<br />
<br />However, certain activities which involve the placement of
<br />dredged or fill material in a "water of the United States" do not
<br />require a Department of the Army permit under Section 404 of the
<br />Clean Water Act. These exempted activities include discharges
<br />associated with the construction or maintenance of irrigation
<br />ditches, siphons, pumps, headgates, wingwalls. weirs, diversion
<br />structures and other facilities which are appurtenant and
<br />functionally related to irrigation ditches. In general,
<br />improvements to the Price and Stubb Ditch such as lining, piping,
<br />and relocating would not require a Department of the Army permit.
<br />However, activities included in this project which may involve a
<br />discharge into "waters of the United States" such as construction
<br />of detention dikes and ponds. relocation of roads, disposal of
<br />waste material, and mitigation work may require Department of the
<br />Army authorization.
<br />
<br />Before we can determine if a Department of the Army permit
<br />is required for this project, we will need more information on
<br />the extent of and impacts to wetlands and other "waters of the
<br />United States" resulting from this project.
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