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 RIVEfl BASIN • f99
091Yfi 200 UN COMPAH GflE pIVEfl NEAP RIDGNAY, CO
LOCATION.--L a[ 38'11.02", long 107'4Y'Y3", In SNENEf aec.Y, i.VS N „ R,8 N., Ouray County, Hydrologic
Unit 1Y02000fi, on right Dank 15 ft dovnsiream from Dridga, 0.2 ml davnstream from Dry Creek, 0.5 ml upstream
from Dallas Creek, and 2.3 m1 north of flldgvay.
DRAINAGE AflEA.--149 mi'.
PEAIOD OF RECOAD.--October 1958 to current year.
PEYISED RE COO DS.--NSP 2124: Oralnage area.
GAGE.--Hater-stage recorder. Datum mf gage is 6,877.58 ft. above National Geodetic Vertical Datum of 1929
(le ells Dy U.S. Bureau oC fleclamnClon).
RENA A%S.--E atlmeted dally discharges: Dec. 2, 11-tu, 2T. Dec. 30 to Jan. 1, Jan. 10-23, and July 9 to Aug. 26.
Records good except for astlmated daily discharges, which are fair. Di ve rslona for lrr lgetlon upstream Crom
statlan. Hater !s Imported upstream from staClan Sn 9ome years by fled Nounteln dl Ceh from Hlne rat Creek In
San Juan ASver basin. Several abservatlons of aDeclf is conductance and voter temperature vera obtal ned and
are pub ll shed elsevhere in tots report.
AVERAGE DIS CHA ACE.--29 yearn, 169 fC~/s; 122,Y00 acre-CC/yr.
E%T REMES FOR PERIOD OF RECORD.--Maximum discharge, 2,100 ft~/s, June 2Y, 1983, gaga height, 5.73 ft; from rating
curve a:tended above 1,900 ft~/s; minlmum dally, 26 Ct~/a, Jan. 13. 1963.
E %T RE MES FOP CU RRENt YEAR.--Peak dlschar gas greater than Dase discharge of 1,000 tt~/s, and maximum (a):
Discharge Cage het ght Discharge Cage halght
Date Tlme (CC'/a) (tU Dete TSme (tt'/a) (tt)
June 15 0100 •1,020 •4.Y4 No other peek greater than Dasa discharge.
MSnlmum dally, Y2 tt~/a, Jan. 18.
DISCHARGE, IN CUBIC FEET PER SECOND, 4ATEA YEAR OCTOBER 1986 TO SEPTEMEEA 1987
MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 157 119 72 50 50 46 59 466 310 YqT 200 138
2 lYj 122 70 SY 52 YS 68 450 424 475 270 1YD
3 7u6 722 77 56 55 Y6 TS 330 518 u66 190 740
4 739 721 T7 56 55 Y8 89 284 607 435 770 136
5 136 706 77 56 SY 52 82 280 58T 391 150 136
6 735 106 80 57 St 69 83 277 668 377 150 132
T 132 99 B3 54 57 78 83 317 7Y8 360 220 130
8 132 93 BD 55 55 74 83 3T5 6B6 347 200 t2B
9 129 77 TB 55 56 69 86 448 BY3 340 160 126
10 130 86 62 50 55 74 86 Y64 811 340 150 122
tt 143 82 60 50 57 75 BB 458 7u6 330 730 718
12 tY2 85 60 50 58 69 91 549 740 310 720 116
t3 729 BS 60 YB 64 78 93 560 81Y 290 170 llu
tY 730 B3 60 Y8 69 BS 90 586 851 290 700 716
15 124 86 62 YB 57 80 t0Y 6B8 8T2 280 100 114
16 722 86 62 u6 57 77 tYt 139 866 270 95 709
ti 179 85 62 44 55 69 187 711 699 370 90 106
t8 114 B7 62 Y2 55 69 216 677 671 290 BS t0Y
19 110 117 64 uY 53 77 211 56T 665 230 80 99
20 tt8 98 6V 46 So 72 186 507 fi37 190 TS 9B
27 721 93 64 Y6 48 65 153 Y59 588 200 80 96
22 710 g9 62 YY 47 66 180 395 569 230 BS 93
23 103 94 62 YB 48 62 246 363 578 230 tY0 91
24 10.1 85 58 49 uT 62 293 353 571 210 280 BB
25 101 88 59 Y9 u9 59 330 326 596 220 330 88
26 96 91 58 4g 52 58 365 295 587 220 260 88
27' 96 83 55 50 u9 67 383 259 565 260 790 88
28 96 82 57 57 ui fi7 3B3 235 516 260 162 85
29 96 B2 56 50 --- 58 425 230 533 230 157 85
30 94 B2 55 51 --- 50 Y65 225 493 220 146 85
31 93 --- 50 57 --- 52 --- 235 --- 220 140 ---
TOTAL 3732 2824 2008 1547 1Y96 2006 5Y24 73702 79353 9318 Y755 3309
MEAN 120 94.1 64.8 49.9 53.4 69.7 IBI Y23 645 301 753 IID
MAX 151 122 B3 5T 69 85 465 739 872 497 330 140
MSN 93 77 50 42 47 YS 59 225 310 190 75 85
AC-FT 7400 5600 7980 3070 2970 3980 t0T 6D 25990 38390 tBY80 9u 30 6560
CAL YR 1986 TOTAL 7757V MEAN 213 MAX 1130 MIN 42 AC-FT 153900
YIfl YR 1987 TOTAL 6B8TY MEAN 189 MA% 972 MIN Y2 AC-FT 136600