3100

• UCREFRP Catalog Number: 3100
• Author: Valdez, R. A.
• Title: Cataract Canyon Fish Study ‎(Fisheries Biology and Rafting)‎
• USFW Year: 1985.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

. 2-4
. Tab 1 e 2-3. Flow and conditions of the Colorado River in Cataract Canyon
. duri ng the 6 tri ps in 1985. Flows are estimated from records of
the Green River gauge on the Green River and the Cisco gauge on
the Colorado River.
. Trlp Da tes Flow (cfs) Co nd 1 t 1 0 n s
. 1 7110 17 , 800 <moderately turbid
7/11 17,350 during decending
7/12 l7,235 1 imb of runoff>
7/13 l6,450
. 7/14 l5,190
7/15 15,675
. 2 7/24 1 9 , l80 <very turbid with
7/25 2l,985 much debris from
7/26 21,090 recent rains>
7/27 20,090
-- 7/28 18,115
3 8/07 12,495 <moderately turbid
- 8/08 lO,600 from periodic
8/09 9,670 rains>
8/10 9,206
- 8/11 9, 93 0
4 8/24 6,300 <fairly clear,
8/25 flow dec reas i ng
-- 8/26 6,330 rapidly>
8/27 6,495
8/28 6,660
-- 8/29 6,700
5 9/21 10,550 <very turbid with
9/22 10,900 much debris from
-- 9/23 11 , 500 recent ra ins>
9/24 11 ,320
9/25 10,850
II 9/26 10,200
6 10/08 9,520 <extremely turbid
10/09 10,400 with conti nui ng
II 10/10 14,910 rain, much debris>
lO/ll 11 , 740
10/l2 15,450
II 10/13 15,580
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