WSP06583

• File Number: 8276.450
• Description: McElmo Creek Unit - Colorado River Salinity Control Program
• State: CO
• Basin: Colorado Mainstem
• Water Division: 7
• Date: 7/17/1989
• Title: McElmo Creek Hydrology
• Water Supply Pro - Doc Type: Report/Study

~J!oj/J7C/717
. 3B4 SAN JUAN RIVER BAS I N
09372200 McELf() CREEl< NEAR BLUFF. UTAH
lOCATION.--Lat 37013' 13". long 109011 '05". in SWJMNlsSW,", sec.16, T .41 S.. R.25 E.. San Juan County, Hydrologic
Unit 14080201. 0.5 m; {a.so km} upstream frOOl mouth, 0.25 mi (0.40 ian) north of Aneth Utah Trading Post
and 21 mi (33.8 Icm) southeast of Bluff. Utah.
DRAINAGE AREA,~-721 mi2 0.870 km2).
PERIOD OF RECORD.--Oct. 1. 1980 to September 1981-
GAGE.--Water-stage recorder and water-quality mini-monitor. Altitude of gage is 6.200 ft (1.890 m) from topo-
graphiC map.
REMARKS. --Records poor. Mo regulation or divers}ons above station.
EXTREMES FOR CURRENT YEAR.--MaxillllJll discharge. 573 ft3/s (16.2 m3/s) July 12. gage height. 2.87 ft (0.875 m);
minimum daily discharge. 5.8 ft3/s (O.16 m3fs) Apr. 18.
DISCHARGE. IN CUBIC FEET PER SECOND, WATER YEAR OCTOOER 1980 TO SEPTEMBER 1981
MEAN VALUES
DAY OCT NO' DEe JAN FEE MAR APR MAY JUN JUl AUG SEP
1 38 50 63 72 48 44 28 20 193 50 120 16
2 38 50 60 70 49 43 24 20 137 143 120 18
3 38 48 60 70 50 43 17 22 98 135 116 16
4 35 48 60 72 52 45 19 36 127 103 106 15
5 38 49 58 68 52 42 14 34 119 91 93 16
6 -~ ,- -- ...' ~ ..". ..... ~-.. .'. ~.\O{... -- ....: - -
7 41 so 79 62 52 ,42 12 25 110 66 74 55
8 42 49 74 64 56 42 10 20 113 56 75 45
9 46 49 72 66 50 38 9,0 19 110 51 77 40
10 44 49 70 68 44 31 8,8 23 106 152 75 50
11 46 46 70 66 46 42 8,6 26 95 174 81 45
12 47 46 73 62 46 44 8,0 28 83 299 116 43
13 46 45 72 66 47 44 7,6 32 79 245 146 41
14 46 47 74 62 48 45 7.2 36 75 190 87 40
15 43 44 77 60 48 47 7,0 32 73 257 55 43
. 16 46 46 76 60 48 46 6,6 31 76 230 31 41
17 56 46 76 56 48 50 6,2 IDS 88 138 34 42
18 56 47 76 58 49 46 5,8 160 71 141 16 AD
19 60 47 76 58 46 47 6,8 125 62 111 13 38
20 54 46 72 6() 46 46 6,6 113 59 95 13 37
21 52 51 72 60 42 45 7,2 125 60 89 11 35
22 49 52 74 56 43 47 11 113 54 75 11 33
23 49 51 74 58 44 44 34 IDS 55 79 12 33
24 48 60 72 56 45 43 33 106 49 63 13 34
25 49 58 72 53 46 43 28 104 41 OJ 12 33
26 48 58 76 49 46 45 22 95 32 70 11 39
27 47 57 74 49 45 38 16 100 31 68 12 38
28 47 60 72 49 43 J6 14 93 38 79 12 37
29 48 63 74 52 39 13 120 38 108 14 36
30 50 65 72 50 37 18 135 37 III 17 35
31 50 72 48 33 169 120 20
TOT Ai 1435 1532 2205 1864 1331 1324 422.4 2202 2431 3728 1676 1094
HEAN .~.... ....... '-1IIft. -. ...... -. .....~. - - -. - -
MAX 60 65 79 72 56 so 34 169 193 299 146 60
H1N li 44 58 46 42 31 5,8 ,19 31 so Il 15
AC,FT 2850 3040 4370 3700 2640 2630 838 4370 4820 7390 3320 2170
WTR YR 1981 TOTAL 21244.4 MEAN SS.2 !lAX 299 -MIN 5.8 AC,FT 421.0

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