WSP04310

• File Number: 8449.600
• Description: Chatfield Reservoir
• State: CO
• Basin: South Platte
• Date: 1/1/1984
• Author: CWCB
• Title: Division of Parks Temporary Storage in Chatfield - Background Data
• Water Supply Pro - Doc Type: Data

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ER 1105-2-100
28 Dee 90

detailed to determine if a feasibility study is warranted and if Congressional
authorization is required for reallocation or addition of storage for municipal
and industrial water supply. Th.. reconnaissance phase will normally be
accomplished using Operation and Maintenance, General funds, however, the use of
the Section 216 authority and the regular survey authority are also, options. If
O&M furids were utilized and Congressi<mal authorization is required" cost sharing
of the additional studies with the non-Federal sponsor would be required in
accordance with the Water Resources Development Act of 1986. The Federal share
of the additional studies or the feasibility phas~ cost in the case of a Section
216 or regular survey authority should be derived from the General Investigations
appropriation. At the start of the study, if the proposed reallocation is likely
to require Congressional authorization, contact HQUSACE (CECW-P) for additional
guidance on requesting funds for the feasibility phase. ' If the reallocation is
determined to be warranted, but does not require additional studies or
Congressional authorization, then Operation and Maintenance, General funds may
be used to complete the reallocation at Federal expense....

e. Addition of Storage. \/hen water supply storage is added to an existing
project ,and existing storage space is net reallocated, a willingness to pay
concept will be used to assign costs to the new water supply purpose. Under this
concept the non-Federal sponsor shall be responsible for paying 100 percent of
the new construction costs allocated to water supply to be paid during the
construction period of the modification and an amount equal to 50 percent of the
sponsor's savings (cost of the most likely alternative to be constructed by the
non-Federal sponsor in lieu of the proposed modification, less the cost of the
modification attributed to water supply). This latter cost is to be repaid at
the water supply rate current at the time of start of'project modification, to
be adjusted at 5-year intervals and within the remaining physical life of the
project, but not to exceed 25 years from completion of , project modification, or
if water supply is, already a project purpose, within 30 years from the time the
project was first used for water supply. Total local capital contributions
(original project plus modification) should not exceed the sum of the local share
of the new c,onstruction costs, plus the Federa'l conStruction costs of the
original project. The non-Federal sponsor shall also be responsible for an
appropriate share of the specific and Joint use operation, maintenance,
replacement and major rehabilitation costs.

4-33. Water Supplv Contracts. All revenues received from contracts with
non-Federal sponsors shall be depoSited into the Treasury of the United States
as _miscellaneous receipts.

a. Contract Formats.

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(1) Water Storage. Appendi~ K, PART 1 is to be, used in entering into
contracts under the authority of ,the Water Supply Act of 1958, as amended, (43
U.S.C. 390b-f). Bracketed language may be changed as appropriate in particular
circumstances and material peculiar to either present of future use storage may
be delet<:d if such storage is not included within .the contract. Non-Federal
parties to water storage contracts must meet the requirements of Section 221 of

4-57

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