PERMFILE71533

• Permit No: M1992049
• IBM Index Class Name: Permit File
• Doc Name: RESPONSE OF PEAK INC TO YOUR LETTER DATED 5/5/92
• From: PECK INC
• To: MLR
• Media Type: D
• Archive: No

• GUNNISON RIVER •
_ BASIN Ill
09146200 UN CO MPAHCAE RIVER NEAfl RI DCYAY, CO
LOCATION.--L at 38'11'02", long 1 07'4Y'Y3". Sn SY~NEd s ec.4, 7 .45 N., fl.8 Y., Our ay Coun ty, Hydro t o glc
Un1C 14020006, on rl got Dank t5 ft dman stream from Orldge, 0.2 ml daunssream from Dr y Creek, 0 .5 m1 upatr eam
from Dallas Creek, and 2.3 ml north of Rldguay.
DRA IN ACE A1IEA. --1V9 m1t.
PERIOD OP RE LOflD.--October 1958 Co current year.
flEYISED RECORDS.--YSP 272Y : Dra l nage area .
GAGE.--Pate r-stage recorde r. Da tum of gag e Sa 6,977.5 8 [t above Net lonal GeodeC lC Vert ical Datum of 1929
(levels by U.S. Bureau of flec lamati on).
REMA RI(S .--E Stlmatad dally discha rges: Dec . 15. 29, Ja n. 1-3, 12-15. 19, 22-28, Feb. 4- g, 11 -1fi, t8-20, and
Apr. 7-8. Records good excep t for esti mated dally dischar ges, ahlch are poor . Dive r alone for irrigation
upatream Cram station. Pater la import ed up serenm Crom station In some yearn 6y Rad Mouneain ditch from
Xl octal Creak !n San Juan Riv er beam. Several obs creatio ns of specific cond uctance and eater temperatur e
care obtained antl era published slsa~he re Sn ehla report.
AVERAGE DISCHARGE.--30 yea rs, 16 9 ft~/a; 1 21,700 acre- tt/yr.
EXTREMES POR PERIOD OP RECORD.--Maximum dl s charge, 2,1 00 ftt/ s June 24, ig83, g age hei ght, 5.73 ft; from ra ting
curve extended above 7, 800 ft ~/a; ml nlm um dally, 26 ft~/a, Jan. 13, 1963•
EXTREMES FOR CURRENT YEAR. --Peak die charge s greater than base discharge oC 1,000 ftt/s, and max Lm um (e):
D ischar ge Cage hel got Dls Char ge Cage hei ght
Oate TSme (ft~/s ) (ft) D ace Time (ft '/s) (ft)
June 6 2300 cT80 •3.98
NS nlmum dally, 36 ft'/a , Feb. 4.
DISCHARGE, CUBIC FEET PER SECOND, PATE R YEAH OCIOBEfl 1987 TO SEP TEMBER 1988
!ffiAN VALUES
OAY OCT NOV DEC JAN PEB MAR 0.PR MAY JUN ~ JUL AUG SEP
t 83 79 55 46 39 85 59 133 208 u0t 130 t2t
2 Bt 85 56 46 40 7Y 60 tt6 793 356 127 tt8
3 77 81 5T 42 40 72 62 tt3 293 327 729 102
4 75 76 57 Y3 36 66 66 114 528 308 719 99
5 TY 74 58 45 38 fit 69 tt8 617 298 172 98'
6 T3 105 57 45 38 71 7A 726 634 28u 135 95
7 T2 9T 57 46 38 65 100 112 665 263 151 9t
8 T1 91 56 45 38 54 700 109 673 - 246 137 88
9 70 8t 55 45 YO 57 9T 103 fi6t 239 tau 85
10 70 76 56 45 40 60 89 it7 653 232 133 96
tt 70 71 56 46 38~ 53 91 152 6Y5 215 123 tug
12 T1 68 54 4Y 38 50 117 206 582 201 122 269
73 TB 66 57 40 38 u9 t3t 267 St9 187 n3 2u0
14 84 67 49 40 38 48 1;1 312 Y11 156 107 182
75 T9 68 u8 40 38 u8 138 3fi3 Yt3 156 104 152
t6 75 65 4T u2 38 48 139 376 397 155 ttD tuu
17 73 67 49 47 40 48 721 353 Y59 t5t tt0 739
7B 73 55 50 4t 38 YT 113 366 Y59 145 102 135
19 73 55 51 4D 38 48 109 313 Y75 132 99 tat
20 .72 63 52 Y2 38 58 106 256 529 122 97 126
21 72 69 Y9 Y3 Y2 78 117 194 572 117 712 150
22 7D 63 St Y2 Y4 85 106 17u 558 tt6 140 148
23 T1 62 St Y2 45 79 100 174 585 117 709 137
24 T2 63 57 YO 4fi 73 95 213 583 119 tOt 728
25 85 6t 48 YO L9 67 9t 2Y2 533 119 97 721
26 81 62 49 YO 53 Tfi 90 227 507 itt 170 tt3
27 78 67 Y6 40 61 91 90 278 487 117 226 110
28 T6 57 Y7 YO 78 84 9fi 35u 499 125 130 106
29 ifi 58 u6 41 T8 66 tOt 386 509 128 lit 100
30 83 56 YB 42 --- 65 118 372 Y46 121 107 99
3t 79 --- YB 39 --- 64 --- 268 --- 129 tt0 ---
TOTAL 2337 2102 1605 1313 7265 1990 2970 7007 75281 5881 3797 3872
lffAN 75.V 70.7 51.8 42.9 43.fi 64.2 99.0 226 509 790 t2t 129
MAx 85 105 58 u6 TB 91 739 38fi 673 407 226 269
MIN 70 55 46 39 36 47 59 103 193 ttt 97 85
AC-PT Y6Y0 4770 3180 2600 2510 3950 5890 13900 30310 11fifi0 1430 7680
CAL YR 1987 TOTAL 66359 MEAN 182 MAX 872 MIN 42 AC-FT 1 31600
YfR YR 1988 TOTAL 49370 MEAN 135 MAX 673 MIN 36 AC-Ft 97930