PLATTE RIVER BASIN

06701900 SOUTH PLATTE RIVER BELOW BRUSH CREEK NEAR TRUMBULL, CO

LOCATION.--Lat 39°15'36", long 105°13'17", in SE14SE14 sec.16, T.9 S., R.70 W., Douglas County, Hydrologic Unit 10190002, on left bank 5 mi downstream from Cheesman Reservoir, and 0.7 mi north-northeast of Deckers.

DRAINAGE AREA.--2021 mi2, of which 11.9 mi2 is noncontributing.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--July 2002 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=06701900

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 6,380 ft above NGVD of 1929, from topographic map.

REMARKS.--Records fair except for estimated daily discharges, which are poor. Natural flow of stream affected by minor diversion from Colorado River basin through Boreas Pass ditch, Antero and Elevenmile Canyon Reservoirs, diversion for irrigation of about 40,000 acres, and return flow from irrigated areas. Flow mostly regulated by Cheesman Reservoir (station 0670100).

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 858 ft3/s, May 30, 2003, gage height, 4.93 ft; minimum daily, 51 ft3/s, Jan. 28, 30, 2003.

EXTREMES FOR 2002 WATER YEAR.--Maximum discharge during period July to September, 815 ft3/s, July 21, gage height, 4.84 ft; minimum daily,
115 ft3/s, Sept. 22-24.

EXTREMES FOR CURRENT YEAR.--Maximum discharge, 858 ft3/s, May 30, gage height, 4.93 ft; minimum daily, 51 ft3/s, Jan. 28, 30.

Discharge, cubic feet per second 

WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002

DAILY MEAN VALUES

DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	---	---	---	---	---	---	---	---	---	---	351	309
2	---	---	---	---	---	---	---	---	---	---	352	365
3	---	---	---	---	---	---	---	---	---	---	335	429
4	---	---	---	---	---	---	---	---	---	---	307	436
5	---	---	---	---	---	---	---	---	---	---	259	439
6	---	---	---	---	---	---	---	---	---	---	243	442
7	---	---	---	---	---	---	---	---	---	---	323	447
8	---	---	---	---	---	---	---	---	---	---	285	417
9	---	---	---	---	---	---	---	---	---	---	251	368
10	---	---	---	---	---	---	---	---	---	---	251	314
11	---	---	---	---	---	---	---	---	---	---	252	235
12	---	---	---	---	---	---	---	---	---	---	255	210
13	---	---	---	---	---	---	---	---	---	---	256	184
14	---	---	---	---	---	---	---	---	---	---	263	130
15	---	---	---	---	---	---	---	---	---	---	284	130
16	---	---	---	---	---	---	---	---	---	---	372	164
17	---	---	---	---	---	---	---	---	---	---	423	260
18	---	---	---	---	---	---	---	---	---	---	422	315
19	---	---	---	---	---	---	---	---	---	358	420	315
20	---	---	---	---	---	---	---	---	---	357	421	246
21	---	---	---	---	---	---	---	---	---	375	428	141
22	---	---	---	---	---	---	---	---	---	327	338	115
23	---	---	---	---	---	---	---	---	---	273	255	115
24	---	---	---	---	---	---	---	---	---	143	256	e115
25	---	---	---	---	---	---	---	---	---	221	256	157
26	---	---	---	---	---	---	---	---	---	309	300	219
27	---	---	---	---	---	---	---	---	---	311	411	213
28	---	---	---	---	---	---	---	---	---	312	491	220
29	---	---	---	---	---	---	---	---	---	313	436	219
30	---	---	---	---	---	---	---	---	---	294	383	278
31	---	---	---	---	---	---	---	---	---	303	348	---
TOTAL	---	---	---	---	---	---	---	---	---	---	10,227	7,947
MEAN	---	---	---	---	---	---	---	---	---	---	330	265
MAX	---	---	---	---	---	---	---	---	---	---	491	447
MIN	---	---	---	---	---	---	---	---	---	---	243	115
AC-FT	---	---	---	---	---	---	---	---	---	---	20,290	15,760

e Estimated.

Discharge, cubic feet per second 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

DAILY MEAN VALUES

DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	337	166	e88	125	100	61	90	82	116	63	59	120
2	349	143	e95	124	101	62	97	76	107	60	53	243
3	302	96	e95	124	100	61	101	73	72	59	99	277
4	212	66	105	123	e100	61	98	71	70	57	63	275
5	178	62	114	123	100	78	95	68	77	56	54	315
6	179	62	114	123	100	95	79	65	76	56	53	446
7	179	94	115	121	e100	96	84	66	78	54	66	619
8	180	153	114	120	e100	97	78	70	73	54	91	639
9	180	136	122	119	e99	98	85	67	70	53	93	591
10	199	136	134	e119	e99	98	136	69	68	52	92	548
11	217	113	134	119	99	100	143	66	67	52	116	544
12	219	84	133	119	e100	100	147	65	67	53	150	543
13	213	e85	133	118	101	101	129	64	65	53	149	544
14	192	e87	134	118	102	94	96	63	60	57	147	545
15	163	e89	134	109	101	80	88	64	59	75	146	545
16	166	87	133	98	99	81	86	71	59	76	146	541
17	177	89	132	91	100	80	84	62	60	77	147	539
18	205	88	131	e92	99	89	83	60	80	77	149	482
19	203	87	119	e91	99	85	87	60	101	82	126	349
20	202	86	e110	90	99	80	82	61	79	93	95	348
21	201	86	102	90	98	62	79	62	72	85	94	369
22	201	85	e102	90	98	61	81	60	64	83	96	467
23	202	85	123	90	96	66	85	67	62	98	95	545
24	201	87	153	90	e96	82	89	65	65	131	118	463
25	187	85	153	74	e96	105	87	70	63	146	156	387
26	167	e85	e156	56	96	110	90	67	66	110	154	386
27	171	e85	141	52	96	113	94	67	61	122	176	384
28	170	e85	124	51	82	96	94	66	58	82	242	383
29	168	e85	124	54	---	77	90	63	61	76	207	348
30	162	e85	124	51	---	76	84	115	69	68	214	280
31	164	---	124	67	---	80	---	87	---	62	232	---
TOTAL	6,246	2,862	3,815	3,031	2,756	2,625	2,841	2,132	2,145	2,322	3,878	13,065
MEAN	201	95.4	123	97.8	98.4	84.7	94.7	68.8	71.5	74.9	125	436
MAX	349	166	156	125	102	113	147	115	116	146	242	639
MIN	162	62	88	51	82	61	78	60	58	52	53	120
AC-FT	12,390	5,680	7,570	6,010	5,470	5,210	5,640	4,230	4,250	4,610	7,690	25,910

e Estimated.