SouthPlatteComments11

• Basin: South Platte
• Title: Comments 11
• Date: 12/12/2003
• SWSI - Doc Type: Comments

TABLE OF CONTENTS

I. I NTR 0 Due TI 0 N ................................................................................... "'. "'......... .....,............................. .... ....... "'..... "'......................... 1

A. Purpose '.~."~"'~""'.'.'.'.~'~"'.'.'.""""""."""""""""".'."...'...'~"'~."".'.'.'.~""~"""".'.'."'.'.'" .~............. 1

B. Deve lopment. . . . . . . . .... .... . . . . . . . ..... .. .. . . . . . . ... ~.... . . . . . . .. . . . . . . . .. .. ~. ~.... . . . . . . . . . . . . . ...... ... . . . . . . . . . . . . . .............. ... . . . . . . .. ~ 3

I I '" THE P LA N ............ .1.1 ........ ..... .1........................... ............................................................. "'. "'..... "'......................... ......................... 4

A. P rinc ipies ........................................... ~ ~...... . . . . ... . . . . . . . . . ...... ... . . . . . . . . . . .. . ~........ . . . . . . . .. . . .. . . . ........... . ... . . . . . . . ~. 4

B. Future Water ProJects.... ............ ... ...................... .~~.~................. .~.~............... .......~..... ............ .... ....... 4

D . Trout Fisheries.......... .............. ..............~ .......................... ...... ............ ..~~.......................... .............. 6

1. Overview ................................................... ~......... . . .. . . . . . . . ~. ~. ~. ~. . . . . . . . . . . . ~. ..... .... . .. . . . . . . . . . . .... ........ .. .. .. 6

2. Mainstem Plan.... .~. ....~....... .~.~............ "~"""'" ............ ... .................. ....... ................ .... ...~........... .~. 6

a. Minimum Streamflows... ...~.. ......... ...~......... ............ ........................ ................. ..~. ..~...~............... ... 7

b. Limit Strearn.flow Fluctuations.................................................................. ~. ~... ~. ~. ~.... . .. . . . . . . . . . ~..... .. 9

c. Temperature Moderation...... ...~........... ...... ..... ..... .............. ..~............... .~.~ ...................... ..~ ...... ... 10

d. Managing Peak Streamflows ........... .~.~.......~.................. .................. .......................... .... ............ 13

3. North Fork Plan.. ....~........ ..~............. ...... .................. ..~.................. ...... ..............~.. .......~............... 14

a. Ramping Flows .............. ............... ...................... ... ................... .....~.......... ..~ .~.~ .~.~......... ......... ..... 15

b. Winter Streamflow..... ............... ......~....... .~. ..~. ..~ .~.~............... ... ............... .............................. .~...... 15

c. Peak Streamflow....... ............. ..... ......... ................ .......... .......... ........ ... .~......... ........... ..~.~ ............ 15

d. Channel Modifications....... ................ ..~.......~......... ."~ .~. ...... ............. ....................... ................... 15

E. Whitewater Recreation.... ........... ......... ......... ..~. ..~. ............... ..~ .................. .............................. ........ 15

1. Overview ....... ~ . . . . . . . . . . . . . . . . . . . . . . . . . ~ .. . . . . . . . . . . . . . .. . . .. . . . . . . . . . . .. .. . . . . . . . . . .. . . .. .. . . . . . . . .. .. ~ .. . . .. . . . . . .. . . .. . . .. . . . . . . . . . . . ... 15

2. Mainstem of the South Platte. .............. .~...~..~ ... ....... ......... ..~. ..~.. ............. ......... .... ......... .... .... ........ 15

3. North Fork of the South Platte ............~ .......~...... ............ ................... ......... ..............~ ..... ............ 16

F. Annual Operating Plans.. ............... ......................... .................... ..~............... .......................... ........ 16

III. DESCRIPTIO N OF RESO DR CES .................................1............................... ....................................."'..."'..,"'.",..... 17

A. Trout Fisheries . .~.~............~ .~........... ... ...................... .... ............... .................. ..~. ..~.~.~................. .~.... 17

1. Resource Overview....... ................ ....................... ...................... ...~............~.. .~.. .~.~................. ..... 17

2. Spinney Mountain to Eleven Mile Reservoir... .u.....u......... .HUU............... ......... ................. ........ 17
3. Eleven Mile to Cheesman Reservoir..... ......u... ...~.......... ......h........... ................. 11.:......40 ............ 18
4. Cheesman Reservoir to Confluence with North Fork. .................. "U~HH"""'.'.'.'.U' ................... 19

5. North Fork....... .... ........... .~. ........... ..~.~......... .........~.. .~'~""'."'."""" ...... ................ .......... ............~ 19

B. Whitewater Recreation ............ ... ...... ......... ......................... ....~.............. "~'~'~""""""""'" .... ........... 20

c~ Water Supply............ ...~........~.. .............. ............. ........... ....... .............~ .~.~.................. ..~...... .......... ... 21

1. Water Rights ........ ... ........... ............... .~..~. ............ ......... .... .............. .... ..... ................ .~.................. 21

2. Native Streamflows......... ..~............ ..~...................... ................... ..~............... .~. .... ................... .... 22

3. Historic Streamtlows .. ................. ........................ .................. .... .... ......... ........................... ..~.~... 22

4. Water Facilities...................... ............... .... ... .... ................ ..~...~........... .~. ..... ..................... ........... 25

IV .. BIBLIOGRAPHY ....~.. ............"'..., ...,..."'~"""'...........,.........................I..........................................................,......."',........... 37

v .. A P PEND IX ... 11-....",..........,..,. ...................... .............. ......... ........ ........................................... .............................. "'................................ 3 8

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