WSP06512

• File Number: 8220.200.02.I
• Description: Southern Nevada Water Project
• State: NV
• Basin: Colorado Mainstem
• Date: 1/1/1995
• Author: Dames & Moore
• Title: Environmental Assessment of the Colorado River Commission's Proposed Southern Nevada Water System Facilities Improvement Project
• Water Supply Pro - Doc Type: EIS

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Table 01 Contents (continrud)

3.2 ENVIRONMENTAL CONSEQUENCES ........................ 3-3
3.2.1 Estim.towl Combustion Emissions ........................ 3-4
3.2.2 Estimllted Dust Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-4
3.3 CONSTRUCI'ION MITIGATION MEASURES . . . . . . . . . . . . . . . . . . .. 3~
3.4 ENVIRONMENTAL CONSEQUENCES OF THE NO ACI'ION

ALTERNATIVE ....................................... 3~

4.0 GEOLOGY AND MINERAL RESOURCES ........ . . . . . . . . . . . . . . . . . . . . .. 4-1
4.1 AFFECTED ENVIRONMENT ............................... 4-1

4.1.1 Regional Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-1

4.1.2 Local Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-1
4.1.2.1 Physiography ................................ 4-1

4.1.2.2 Geology ................................... 4-1

4.1.2.3 SoUs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-2
4.1.2.4 Faults and Seitmicity ........................... 4-2

4.1.3 Mineral Resources .................................. 4-2
4.2 ENVIRONMENTAL CONSEQUENCES ......................... 4-3
4.2.1 Geology and Soils. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-3
4.2.2 Faults and Seismicity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-3

4.2.3 Mineral Resources .................................. 4-3
4.3 MITIGATION MEASURES ................................. 4-3
4.4 ENVIRONMENTAL CONSEQUENCES OF THE NO ACI'ION

ALTERNATIVE ........................................ 4-3

5.0 HYDROLOGY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1
5.1 AFFECTED ENVIRONMENT .............................. 5-1
5.1.1 Regional Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1

5.1.2 Local Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1
5.1.2.1 Surface Water. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1

5.1.2.2 Groundwater ............................... S-1
5.2 ENVIRONMENTAL CONSEQUENCES ........................ 5-2

5.2.1 Surface Water .................................... 5-2

5.2.2 Groundwater..................................... 5-2
5.3 MITIGATION MEASURES ................................ 5-2
5.4 ENVIRONMENTAL CONSEQUENCES OF THE NO ACI'ION

ALTERNATIVE ....................................... S-2

6.0 BIOLOGICAL RESOURCES ...................................... 6-1
6.1 AFFECTED ENVIRONMENT .............................. 6-1

6.1.1 Botanical Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-1
6.1.2 WildlifeResources ................................. 6-1
6.1.3 SeDSitive Biological Resources .......................... 6-5

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