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

1a6 • GUNNISON RIYER Bl3Itl • '
09146200 UN COMP AN CRE RIYER NEAR RIDCYA T, CO
LOCAi ION .--Let 38'11'02•, long 107 "44'Y3", Sn SYbNEB aec.4, i.YS N., A.8 Y., Ouray Coumty, Hydrologic
UNlt 14020006, on right bank 15 ft upatram from bridge, 0.2 m! dornatram from Dry Creak, 0.5 m! upstram
from Dallas Creek, and 2.3 m! north of Rldgray.
DRA INACE AREA.--749 mis.
PEAIOD OF RECORD.--October 1958 to current year.
REYISED RECORDS.--YSP 2124, Dral nags area.
CAGE.--Yater-stage recorder. Datum of gaga la 6,877.58 ft, NaCiomal Geodetic Vertical Datm of 1929 (levels Dy
U.S. Bureau of Raclamailon).
REMARKS.--Records good. Diversions tar lrrl gallon shove ataLloa. Yatar !a imported above station !n some years
Dy Retl Mountain ditch from MSnaral Creak In San Juan River basin. Several oDaarvaCloms of spec lfio
conductance and rater temperature rare oDLalnatl and are Dubliahed alaerhera Sn this report.
AVERAGE DISCHARGE.--26 years, 164 ft~/ai 118,800 ante-ft/yr.
EYt flE11e3 POR PERIOD OP RB CORD.--Mes3mum dlaaharge, 2,100 fC•/a, June 24, 1983, gsge height, 5.73 fti from rating
curve astamded shove 1,800 fig/a) minimum daily, 26 ft~/a, Jan. 13, 1963.
EX7AEME3 FOR CURRENT YEAR.--Peak discharges shove Dana of 1,000 ftt/a, and ma:lmm (•),
Dlsehargs Gaga height Dlacnarga Gags height
Date time (ft'/a) (ft) Date Tlms (ft~/a) ~ (ft)
May 14 2230 1, Y50 4.89 Juma 15 2400 1,210 4.68
May 24 2300 •1,970 S.YB Juma 26 2Y00 1,560 5.08
MSnlmum daily discharge , 4A Cit/a, Jan. 23. Pab. 19, 20.
DISCHARGE, IN CORK FEES PER 9ECON D, YAYER SE1R OCtORER 19 83 t0 SEPtE MBER 14BY
MEAN YALUES
~
DAT OCS NOV DEC JAN PEB MAR APR MlY JOtl JOL lOC
~ SBP
t 132 70 6T SB 50 49 Bt 729 1280 /jII30- ~ 336 276
2 11Y 68 71 56 50 50 T2 130 1070 999 322 243
3 108 bB 70 50 50 55 72 130 944 950 297 220
4 101 6T bB 55 50 51 77 767 872 890 294 200
5 99 67 67 60 50 Y9 98 195 758 806 276 188
6 9Y 65 61 60 50 47 ~ 118 . 172 565 760 3-6 176
T 96 65 61 61 50 47 124 767 645 716 294 169
8 96 T7 63 67 50 47 750 167 545 630 270 167
9 92 72 63 61 50 Y9 752 234 502 630 258 152
10 91 70 by 58 50 50 122 332 479 722 249 147
11 91 75 63 59 50 55 154 462 585 630 243 141
12 88 75 64 56 4B 52 120 ST5 704 510 291 134
13 BY T4 64 60 99 54 732 690 863 982 252 730
tY 89 71 61 56 St 59 150 8TT 1020 478 243 12Y
15 8Y by 61 56 47 65 172 1060 1100 506 252 729
16 80 bB 60 59 46 68 222 848 1060 486 306 200
/7 87 bB 61 48 50 75 297 782 896 950 300 174
iB 81 TS 63 OB -8 Bo 343 730 8-8 394 366 145
t9 80 65 63 A6 44 TO 294 555 836 378 312 139
20 T8 7Y 61 50 44 72 225 740 920 914 322 1-3
21 TB T4 59 46 46 8B 193 1010 1060 398 386 147
22 TT 6T 54 Y6 4T 105 75A 1720 1070 ~ 394 332 139
23 TT 6T SY 40 46 BB 167 1370 992 378 329 741
24 TB 65 56 4B 46 83 208 1630 978 438 354 745
25 T8 71 59 48 47 8B 231 1580 I
1040 422 354 134
26 78 68 61 4B 46 TB 774 1590 1180 370 315 134
2T 7B 65 6Y 98 46 7T 150 74 t0 7300 406 288 136
28 T7 65 59 49 47 T4 134 7290 ~ 1170 362 264 128
29 TT 63 55 49 48 TT 139 1220 1080 366 255 126
30 75 65 56 48 -- TB 132 7260 ~ 1120 406 228 118
31 T2 --- 58 50 --- T7 -- 1150 379 219 --
SotAL 2699 2oiz 1911 1637 1396 2057 4847 23725 27421 1T 183 9152 4734
MEAN B7.t 69.1 61.6 52.8 48.1 66.0 162 765 919 554 295 758
MAX 132 7T T7 61 51 105 393 1630 1300 1030 386 276
MIN 72 63 SY YO 44 47 T2 128 478 362 218 119
AC-Fi 5350 4170 3790 3250 2770 4080 9610 47060 59390 34080 18150 9390
CAL YR 19 R3 tOtAL 88309 MEAN 242 MAX 1740 MIN 36 AC-PS 175200
YfR YR 19BY SOtAL 98834 1lEAtl 270 MAX 1630 MIN Y4 AC-PT 196000