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

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230 SAN JUAN RIVER BASIN
09372200 HeELK! CREEK NEAR BLUFF. UTAH
. lOCATION..-Lat 37<'13'13", long 109011'05", in SWJ.4'lW~S~ sec.16, 1.41 S.. R.IS E.. San Juan County, Hydrologic
Unit 14080201, 0.5 mi (0.80 km) upstream from mouth. 0.25 mi (0.40 km) north of Aneth Utah Trading Post
and 21 mi (33.8 km) southwest of Bluff. Utah.
DRAINAGE AREA.--721 mi2 (1.870 km2),
PERIOD OF RECORO.--Oct. 1. 1980 to September 1982 (di scontinued). ~z
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. No regulation or diversions above station.
EXTREMES FOR PERIOD OF RECORQ.--Maxlmum discharge. 2.680 ft3/s (75.9 m3ts) Aug. 24. 1982. gage height, 5.18 ft i
(1.579 m); minillUl1 daily, 5.8 ft3/s (0.16 m3/s) Apr. 18. 1981.
EXTREMES FOR CURRENT YEAR.--Haximum discharge. 2,680 ft3jS (75.9 m3/s) Aug. 24. 9age height, 5.18 ft (1.579 m);
m;nllllJlll. 8.7 ft3js (0.25 m3/s) May 4. .
DISCHARGE, IN CU8lC FEET PER SECOND. WATER YEAR OCTOBER 1981 TO SEPTEM3ER 1982 -I
MEAN VALUES
OAY OCT NOV OEC JAM FE8 l'AR APR I'A' JUN JUl AUG 5EP
1 34 33 28 20 29 190 51 19 57 lOB 95 80
1 41 34 27 21 29 187 49 13 50 103 68 74
3 110 34 26 21 21 265 157 11 54 93 63 72 !
4 130 35 25 22 75 286 260 9.2 52 67 85 72
5 70 35 25 21 24 220 275 27 54 64 72 90
6 50 33 25 21 37 157 265 38 41 48 67 80
7 45 31 26 17 25 72 297 79 4< 60 34 70
B 43 31 27 15 48 46 318 85 52 67 46 64 ..
9 39 30 27 14 65 40 322 70 55 76 70 100
10 39 3D 27 14 95 40 354 49 62 77 93 120
11 38 29 26 16 123 37 293 41 69 69 85 167
12 38 27 25 18 100 58 267 37 79 61 79 491
13 40 26 25 19 261 399 209 134 101 64 63 448
14 42 27 25 20 62 206 97 369 133 62 67 838
15 43 30 25 21 30 135 B8 261 185 44 104 397
. 16 42 32 24 23 35 193 70 223 210 41 70 209
17 41 30 24 25 46 230 57 143 201 4< 79 166
18 38 29 23 29 1311 199 53 87 lBl 39 116 154
19 38 3D 23 62 227 113 48 83 194 36 141 154
20 37 33 23 50 416 65 40 89 199 33 138 157
21 35 33 23 44 580 50 40 120 267 39 178 358
22 34 36 24 47 504 43 37 120 295 41 485 177
23 35 33 25 42 265 40 32 91 323 34 437 1311
?4 36 32 23 34 178 34 30 97 250 32 1340 130
25 35 31 20 31 223 27 33 120 216 36 1200 130
26 33 28 19 33 294 24 46 125 226 37 600 125
27 33 26 18 38 269 51 59 93 214 41 210 135
2B 32 25 17 37 213 89 59 62 212 46 160 166
29 31 26 16 41 71 43 77 109 50 100 146
30 31 27 17 47 63 17 81 170 54 94 179
31 32 18 36 66 77 46 90
TOTAl.. ..~ 726 901 ~ 3696 3976 2930.2 44~ 1713 6529 5687
MEAN ...... ... ... - .. ... ...... .. .
IlI>X 210 36 28 62 5BO 399 354 369 323 108 1340 8311 I
"'N 32 25 16 14 22 24 27 9.2 41 32 34 64 0
AC,FT 2910 1820 1440 1790 8750 73311 7890 5810 8840 3400 12950 11280 I
CAL YR 1981 TOTAl 19182.4 MEAN 52.6 MAl( 299 MIN 5.8 AC-FT 311050
WTR YR 1982 TOTAl 37410.2 ,lEAN 102 MAl( 1340 KIN 9.2 I\C,FT 74200

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