ARKANSAS RIVER BASIN

07126200 VAN BREMER ARROYO NEAR MODEL, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--January 1983 to April 1998, May 1999 to current year (seasonal peak flows only). For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07126200

PERIOD OF DAILY RECORD.--

SPECIFIC CONDUCTANCE: January 1983 to April 1998.

WATER TEMPERATURE: January 1983 to April 1998.

SUSPENDED SEDIMENT: May 1999 to current year (seasonal peak flows only).

INSTRUMENTATION.--Pumping sediment sampler with satellite telemetry.

EXTREMES FOR PERIOD OF RECORD.--

SEDIMENT CONCENTRATION (seasonal peak flows only): Maximum daily mean, 1,810 mg/L, June 18, 2003; minimum daily mean, 111 mg/L,
Aug. 12, 2003.

SUSPENDED-SEDIMENT DISCAHRGE (seasonal peak flows only): Maximum daily, 4,000 tons (estimated), Aug. 3, 1999; minimum daily,
0.02 ton, (estimated), June 22, Aug 14, 23, 2003.

EXTREMES FOR CURRENT YEAR.--

SEDIMENT CONCENTRATION (seasonal peak flows only): Maximum daily mean, 1,810 mg/L, June 18; minimum daily mean, 111 mg/L, Aug. 12.

SUSPENDED-SEDIMENT DISCHARGE (seasonal peak flows only): Maximum daily, 545 tons, June 18; minimum daily, 0.02 ton, (estimated),
June 22, Aug 14, 23.

MISCELLANEOUS FIELD AND SUSPENDED-SEDIMENT DISCHARGE DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Time	Instan- taneous dis- charge, cfs (00061)	Temper- ature, water, deg C (00010)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
OCT
03...	1640	0.10	16.5	--	--
NOV
13...	1500	0.18	10.5	--	--
JAN
09...	0940	0.16	4.0	--	--
MAR
04...	1030	0.14	7.5	--	--
APR
09...	1100	0.14	12.0	--	--
JUN
06...	1340	0.16	22.0	--	--
30...	1550	0.10	27.0	--	--
AUG
12...	1315	0.58	26.5	101	0.16
SEP
16...	1710	0.09	22.5	--	--

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY) 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Day	Mean discharge (cfs)	Mean concen- tration (mg/l)	Load (tons/ day)	Mean discharge (cfs)	Mean concen- tration (mg/l)	Load (tons/ day)	Mean discharge (cfs)	Mean concen- tration (mg/l)	Load (tons/ day)
OCTOBER                          NOVEMBER                          DECEMBER
1	0.08	---	---	0.14	---	---	0.14	---	---
2	0.08	---	---	0.14	---	---	0.15	---	---
3	0.10	---	---	0.13	---	---	0.22	---	---
4	0.10	---	---	0.13	---	---	0.23	---	---
5	0.10	---	---	0.14	---	---	0.20	---	---
6	0.11	---	---	0.14	---	---	0.19	---	---
7	0.11	---	---	0.12	---	---	0.19	---	---
8	0.11	---	---	0.12	---	---	0.18	---	---
9	0.11	---	---	0.13	---	---	0.18	---	---
10	0.11	---	---	0.18	---	---	0.18	---	---
11	0.10	---	---	0.17	---	---	0.18	---	---
12	0.09	---	---	0.17	---	---	0.15	---	---
13	0.10	---	---	0.17	---	---	0.14	---	---
14	0.10	---	---	0.17	---	---	0.15	---	---
15	0.10	---	---	0.19	---	---	0.16	---	---
16	0.10	---	---	0.18	---	---	0.17	---	---
17	0.09	---	---	0.19	---	---	0.17	---	---
18	0.10	---	---	0.17	---	---	0.18	---	---
19	0.10	---	---	0.16	---	---	0.22	---	---
20	0.11	---	---	0.15	---	---	0.18	---	---
21	0.12	---	---	0.16	---	---	0.18	---	---
22	0.13	---	---	0.16	---	---	0.18	---	---
23	0.14	---	---	0.17	---	---	0.18	---	---
24	0.11	---	---	0.17	---	---	0.17	---	---
25	0.10	---	---	0.17	---	---	0.16	---	---
26	0.12	---	---	0.17	---	---	0.16	---	---
27	0.21	---	---	0.16	---	---	0.15	---	---
28	0.16	---	---	0.17	---	---	0.15	---	---
29	0.12	---	---	0.18	---	---	0.16	---	---
30	0.12	---	---	0.16	---	---	0.18	---	---
31	0.13	---	---	---	---	---	0.17	---	---
TOTAL	3.46	---	0	4.76	---	0	5.40	---	0
	JANUARY			FEBRUARY			MARCH
1	0.23	---	---	0.14	---	---	0.19	---	---
2	0.21	---	---	0.15	---	---	0.18	---	---
3	0.17	---	---	0.16	---	---	0.17	---	---
4	0.16	---	---	0.14	---	---	0.16	---	---
5	0.18	---	---	0.13	---	---	0.16	---	---
6	0.20	---	---	0.15	---	---	0.17	---	---
7	0.18	---	---	0.14	---	---	0.17	---	---
8	0.18	---	---	0.14	---	---	0.17	---	---
9	0.17	---	---	0.16	---	---	0.15	---	---
10	0.15	---	---	0.16	---	---	0.15	---	---
11	0.15	---	---	0.17	---	---	0.15	---	---
12	0.17	---	---	0.18	---	---	0.15	---	---
13	0.16	---	---	0.19	---	---	0.16	---	---
14	0.17	---	---	0.19	---	---	0.17	---	---
15	0.19	---	---	0.17	---	---	0.16	---	---
16	0.19	---	---	0.17	---	---	0.17	---	---
17	0.18	---	---	0.17	---	---	0.20	---	---
18	0.17	---	---	0.16	---	---	0.24	---	---
19	0.16	---	---	0.21	---	---	0.49	---	---
20	0.17	---	---	0.21	---	---	0.58	---	---
21	0.17	---	---	0.20	---	---	0.43	---	---
22	0.15	---	---	0.17	---	---	0.35	---	---
23	0.15	---	---	0.15	---	---	0.25	---	---
24	0.17	---	---	0.14	---	---	0.20	---	---
25	0.17	---	---	0.14	---	---	0.18	---	---
26	0.16	---	---	0.15	---	---	0.18	---	---
27	0.16	---	---	0.18	---	---	0.17	---	---
28	0.17	---	---	0.20	---	---	0.17	---	---
29	0.15	---	---	---	---	---	0.17	---	---
30	0.15	---	---	---	---	---	0.17	---	---
31	0.15	---	---	---	---	---	0.18	---	---
TOTAL	5.29	---	0	4.62	---	0	6.59	---	0
	APRIL			MAY			JUNE
1	0.19	---	---	0.07	---	---	0.08	---	---
2	0.18	---	---	0.10	---	---	0.10	---	---
3	0.14	---	---	0.09	---	---	0.10	---	---
4	0.16	---	---	0.06	---	---	0.10	---	---
5	0.16	---	---	0.07	---	---	0.21	---	---
6	0.22	---	---	0.07	---	---	0.17	---	---
7	0.17	---	---	0.06	---	---	0.14	---	---
8	0.17	---	---	0.05	---	---	0.14	---	---
9	0.14	---	---	0.06	---	---	0.11	---	---
10	0.14	---	---	0.07	---	---	0.10	---	---
11	0.15	---	---	0.07	---	---	0.10	---	---
12	0.17	---	---	0.08	---	---	0.10	---	---
13	0.16	---	---	0.08	---	---	0.14	---	---
14	0.14	---	---	0.07	---	---	0.14	---	---
15	0.14	---	---	0.08	---	---	0.13	---	---
16	0.14	---	---	0.10	---	---	0.12	---	---
17	0.11	---	---	0.08	---	---	0.26	---	e0.03
18	0.11	---	---	0.08	---	---	65	1,810	545
19	0.15	---	---	0.08	---	---	5.2	315	6.3
20	0.18	---	---	0.08	---	---	1.1	---	e0.40
21	0.16	---	---	0.08	---	---	0.41	---	e0.07
22	0.14	---	---	0.07	---	---	0.19	---	e0.02
23	0.12	---	---	0.06	---	---	0.11	---	---
24	0.10	---	---	0.05	---	---	0.08	---	---
25	0.10	---	---	0.07	---	---	0.08	---	---
26	0.11	---	---	0.06	---	---	0.10	---	---
27	0.10	---	---	0.06	---	---	0.09	---	---
28	0.08	---	---	0.06	---	---	0.08	---	---
29	0.07	---	---	0.05	---	---	0.08	---	---
30	0.06	---	---	0.05	---	---	0.10	---	---
31	---	---	---	0.06	---	---	---	---	---
TOTAL	4.16	---	0	2.17	---	0	74.86	---	551.82
	JULY			AUGUST			SEPTEMBER
1	0.10	---	---	0.07	---	---	0.12	---	---
2	0.09	---	---	0.07	---	---	0.10	---	---
3	0.07	---	---	0.07	---	---	0.11	---	---
4	0.07	---	---	0.08	---	---	0.11	---	---
5	0.06	---	---	0.10	---	---	0.09	---	---
6	0.06	---	---	0.10	---	---	0.08	---	---
7	0.06	---	---	0.09	---	---	10	359	51
8	0.06	---	---	0.09	---	---	4.1	250	3.8
9	0.05	---	---	26	313	75	0.45	---	e0.23
10	0.05	---	---	38	869	105	0.31	---	e0.12
11	0.05	---	---	3.6	---	e2.9	0.22	---	e0.07
12	0.05	---	---	0.70	111	0.23	0.20	---	e0.06
13	0.05	---	---	0.23	---	e0.08	0.18	---	---
14	0.05	---	---	0.12	---	e0.02	0.15	---	---
15	0.06	---	---	0.07	---	---	0.14	---	---
16	0.06	---	---	0.05	---	---	0.10	---	---
17	0.05	---	---	0.05	---	---	0.10	---	---
18	0.05	---	---	0.05	---	---	0.10	---	---
19	0.05	---	---	19	300	44	0.10	---	---
20	0.05	---	---	3.0	172	2.6	0.10	---	---
21	0.05	---	---	0.29	---	e0.08	0.11	---	---
22	0.06	---	---	0.15	---	e0.03	0.08	---	---
23	0.06	---	---	0.11	---	e0.02	0.09	---	---
24	0.06	---	---	0.07	---	---	0.09	---	---
25	0.05	---	---	0.06	---	---	0.10	---	---
26	0.05	---	---	0.05	---	---	0.10	---	---
27	0.07	---	---	0.05	---	---	0.10	---	---
28	0.07	---	---	0.06	---	---	0.09	---	---
29	0.08	---	---	0.09	---	---	0.09	---	---
30	0.07	---	---	0.25	---	---	0.10	---	---
31	0.07	---	---	0.15	---	---	---	---	---
TOTAL	1.88	---	0	92.87	---	229.96	17.81	---	55.28
YEAR	223.87	837.06

e Estimated.