WSPC12741

• File Number: 8064.200.A
• Description: Indian Water Rights - Gallup-Navajo
• Date: 9/3/2004
• Author: USDOI/BOR
• Title: Biological Assessment, Navajo Gallup Water Supply Project - Report and Appendices
• Water Supply Pro - Doc Type: Publication

I

I
I

Table 3.5

Summary Flow Statistics for Full NGWSP Development plus Baseline
Depletion'.

I

Discharge (cfs)
Duration >10,000 >8,000 >5,000 >2.500
Average Frequency
1 days 32.3% 52.3% 67.7% 90.8%
--
5 days 24.6% 43.1% 63.1% 81.5%
10 days 16.9% 35.4% 61.5% 75.4%
15 days 7.7% L~2%_ 55.4% 69.2%
20 days 24.6% 69.2%
21 days L 47.7%
--
3D days 13.8% 41.5% 63.1%
40 days 32.3% 50.8%
50 days 26.2% 46.2%
60 days 15.4% 41.5%
80 days 10.8% 30.8%
Maximum Years Without Meeting Criteria

I
I
I

I

I

I

I

Flow Criteria - Min. Duration Allowed Modeled
9700 cfs for 5-days - 10-years 10 L 14
7760 cfs for 10-days - 6-years 6 7
-
4850 cfs for 21-days - 4-years 4 4
2450 cfs for 10-days - 2 years 2 2

I

I
I
I
I

I
I
I

14 Shaded cells reprcsenl conditions mal do not meet flow recommendations.
BIOLOGICAL ASSESSMENT
NAVAJO GALLUP WATER SUPPLY PROJECT
September 3, 2004

Page 18