WSP06241

• File Number: 8449.860
• Description: South Platte Projects - Metropolitan Denver Water Study
• State: CO
• Basin: South Platte
• Date: 3/1/1988
• Author: USACOE
• Title: Metropolitan Denver Water Supply Environmental Impact Statement - Summary
• Water Supply Pro - Doc Type: EIS

1.29 AIl of the mitigation levels reported are considered to be

achievable. Measurement and monitoring are included in the overall

mitigation plan to assure that prescribed levels of mitigation are

achieved. The cost estimates are for mitigation measures identified

in this EIS. A 25-percent contingency was added to account for

uncertainties in the effectiveness of the measures and the costs of

the measures. Although cost estimates were prepared for economic

comparisons, mitigation achievements would be specified if any project

is permitted rather than requiring that a certain dollar amount be

spent on mitigation.

1.30 AIl of the South Platte storage alternatives would cause the

following impacts for which no mitigation has been identified:

. Reduced Colorado River basin rafting and kayaking,

Reduced water available for junior water rights,

Loss in local real estate tax revenues,

Increased requirement for local governmental services

(DWB has agreed to mitigation for 1,100,000 acre-foot Two Forks), and

. Reduction in visual quality of the area.

1.31 All of the South Platte storage alternatives would result in
improved water quality with mitigation.

1.32 Each of the South Platte storage alternatives would affect 11

threatened or endangered species. Detailed evaluation of the

1,100,000 acre-foot Two Forks project concluded that none of the

species would be jeopardized if the identified conservation

(mitigation) measures would be implemented. The effects of the other

alternatives would be similar to those of the 1,100,000 acre-foot Two

Forks project.

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