ARKANSAS RIVER BASIN

07106300 FOUNTAIN CREEK NEAR PINON, CO

LOCATION.--Lat 38°26'23", long 104°35'35", in NW14SE14 sec.31, T.18 S., R.64 W., Pueblo County, Hydrologic Unit 11020003, on right bank 0.5 mi below Pinon Road bridge, 0.9 mi northeast of Pinon, and 2.7 mi upstream from Steele Hollow Creek.

DRAINAGE AREA.--849 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--April 1973 to current year. Low-flow records may not be equivalent prior to October 1995, as a result of varying underflow (diversion system) entering between the sites. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07106300

REVISED RECORDS.--WDR CO-80-1: Drainage area.

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 4,990 ft above NGVD of 1929, from topographic map. Apr. 10, 1973 to Apr. 22, 1976, non-recording gage, and Apr. 23, 1976 to Sept. 30, 1995, water-stage recorder at site 0.5 mi upstream at different datum. Oct. 1, 1995 to present at various locations within 70 ft downstream from underflow mouth (see district office for location history).

REMARKS.--Records fair except for estimated daily discharges, which are poor. Natural flow of stream affected by storage reservoirs, power developments, ground-water withdrawals, transmountain diversions, diversions for irrigation and municipal use, return flows from irrigated areas, and flows from sewage-treatment plants.

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	28	76	66	92	90	120	115	50	60	69	46	322
2	54	88	65	93	94	151	111	47	105	51	46	153
3	45	95	65	98	94	157	107	48	50	43	57	137
4	20	85	67	96	94	133	104	42	61	38	76	190
5	e33	89	65	89	94	106	108	52	328	31	63	108
6	e35	89	58	84	104	103	159	56	261	22	45	87
7	e35	85	59	76	87	97	142	58	131	20	39	129
8	27	99	62	73	88	94	111	56	118	17	40	115
9	38	106	63	69	87	102	102	62	87	14	51	86
10	48	107	61	63	89	94	91	87	96	21	88	68
11	46	109	60	60	108	91	66	93	86	27	62	63
12	38	105	e65	68	107	87	40	71	67	34	69	64
13	39	108	e66	69	114	87	36	67	74	39	49	64
14	43	100	69	71	115	83	34	66	77	39	39	73
15	47	93	67	65	121	82	33	57	278	38	40	66
16	54	77	67	62	98	82	37	121	98	50	43	65
17	50	60	75	60	91	96	35	77	86	32	47	64
18	50	50	73	61	91	195	33	62	310	35	47	63
19	48	46	74	64	100	258	54	58	164	38	50	68
20	48	51	73	62	131	182	61	47	1,430	224	36	68
21	49	46	75	61	98	196	53	45	302	72	33	65
22	44	50	75	72	94	150	49	42	171	39	39	68
23	64	63	80	94	92	127	171	40	122	30	37	69
24	e65	69	87	100	89	129	297	54	96	34	41	67
25	81	70	82	101	86	369	181	139	82	35	49	65
26	78	74	76	103	94	165	88	142	332	34	59	63
27	215	66	80	106	98	131	64	87	139	70	38	65
28	187	69	90	101	102	128	48	57	104	145	101	68
29	77	70	96	96	---	117	45	36	108	425	79	70
30	69	68	93	95	---	115	51	20	91	177	285	64
31	68	---	88	94	---	118	---	20	---	79	1,290	---
TOTAL	1,823	2,363	2,242	2,498	2,750	4,145	2,626	1,959	5,514	2,022	3,084	2,717
MEAN	58.8	78.8	72.3	80.6	98.2	134	87.5	63.2	184	65.2	99.5	90.6
MAX	215	109	96	106	131	369	297	142	1,430	425	1,290	322
MIN	20	46	58	60	86	82	33	20	50	14	33	63
AC-FT	3,620	4,690	4,450	4,950	5,450	8,220	5,210	3,890	10,940	4,010	6,120	5,390
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1973 - 2003, BY WATER YEAR (WY)
MEAN	83.7	105	94.5	102	109	118	137	277	191	108	152	78.4
MAX	457	289	201	174	180	229	664	1,599	1,083	365	794	241
(WY)	(1985)	(1985)	(2000)	(1996)	(2000)	(1998)	(1999)	(1999)	(1997)	(1985)	(1999)	(1999)
MIN	0.81	5.77	30.0	19.0	35.2	20.0	3.36	0.96	8.39	4.34	3.87	0.000
(WY)	(1976)	(1979)	(1977)	(1979)	(1978)	(1978)	(1975)	(1975)	(1978)	(1976)	(1974)	(1975)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1973 - 2003
ANNUAL TOTAL	28,294	33,743
ANNUAL MEAN	77.5	92.4	129
HIGHEST ANNUAL MEAN			438 1999
LOWEST ANNUAL MEAN			29.4 1978
HIGHEST DAILY MEAN	859 Jul 6	1,430 Jun 20	11,000 Apr 30, 1999
LOWEST DAILY MEAN	20 Oct 4	14 Jul 9	a0.00 Jul 6, 1973
ANNUAL SEVEN-DAY MINIMUM	31 May 6	22 Jul 5	0.00 Aug 18, 1973
MAXIMUM PEAK FLOW		3,230 Jun 20	b19,100 Apr 30, 1999
MAXIMUM PEAK STAGE		4.40 Jun 20	c9.80 Apr 30, 1999
ANNUAL RUNOFF (AC-FT)	56,120	66,930	93,590
10 PERCENT EXCEEDS	138	139	234
50 PERCENT EXCEEDS	62	72	87
90 PERCENT EXCEEDS	39	38	7.0

e Estimated. a No flow at times many years. b From rating curve extended above 9,590 ft3/s. c From floodmark.