ISFAPPC01502

• Case Number: 02CW0279
• Stream Name: Specie Creek
• Watershed: San Miguel River
• Water Division: 4
• Water District: 60
• County: San Miguel
• Instream Flow App - Doc Type: Supplemental Data

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Table 2:

Specie Creek Estimated Streamflow
Exceedences
1%
5%
10%
20%
50%
80%
90%
95%
99%

8
7
6
5
-ti 4
3
2
1
o

o b N

b D b

Januarv Februarv March April Mav June Julv Auaust September cto er ovem er ecem er
>2:19: "4:97, 'k12: ~ 60.06 86.48 69.05 8.64 3;54 4.34 20.42 6.80 >:2[85::
1.53 1.53 25.87 62.65 44.72 2.72 , 1.16 2.41 ::2;85" 2.41 "'1;75
1.42 1.42 16.88 45.60 35.07 1.32 0.77 1.21 h71 :J.97: ,1'.75:
1.21 1.10 1.53 9.43 27.31 16.88 0.75 0.48 0.66 1.09 1.38 1.32
0.66 0.66 0.91 ::3.29: 7.01 W75" 0.26 0.17 0.15 0.37 0.57 0.75
0.31 0.26 0.55 1.53 2.19 0.48 0.07 0.04 0.04 0.13 0.22 0.26
0.20 0.22 0.39 1.01 1.53 0.26 0.03 0.02 0.01 0.09 0.15 0.22
0.13 0.22 0.31 0.81 1.12 0.15 0.02 0.00 0.00 0.07 0.13 0.18
0.11 0.13 0.07 0.44 0.77 0.06 0.00 0.00 0.00 0.00 0.11 0.09

South Fork Mesa Creek Estimated Stream Flow

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~VQ O'~

00 ~O O~
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Month

Table 2 shows that the summer recommendation of 4.3 cfs is only available at least 50% of the
time in May. Table 2 also shows that the winter flow recommendation of 1.6 cfs is only
available at least 50% of the time in April. The winter recommendation was further reduced to
0.2 cfs for the time period of July 1 st through March 31 st based on limited water availability.

Precipitation Data
Staff reviewed local precipitation data sets from 2 different sites located around the Specie Creek
Drainage (see Precipitation Data in Appendix C). These sites include Norwood (1931-1999) and
Placerville (1947-1999). Table 4 shows the water year and the percent of average precipitation
recorded at each site.

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