ARKANSAS RIVER BASIN

07105600 SAND CREEK ABOVE MOUTH AT COLORADO SPRINGS, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--April to September 2003. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07105600

PERIOD OF DAILY RECORD.--

SUSPENDED SEDIMENT: April to September 2003 (seasonal records only).

INSTRUMENTATION.--Pumping sediment sampler with satellite telemetry.

EXTREMES FOR PERIOD OF RECORD.--

SEDIMENT CONCENTRATION (seasonal only): Maximum daily mean, 1,890 mg/L, July 28, 2003; minimum daily mean, 69 mg/L, Apr. 17, 2003.

SUSPENDED-SEDIMENT DISCHARGE (seasonal only): Maximum daily, 3,670 tons (estimated), Aug. 31, 2003; minimum daily, 0.22 ton (estimated), Aug. 21, 2003.

EXTREMES FOR CURRENT YEAR.--

SEDIMENT CONCENTRATION (seasonal only): Maximum daily mean, 1,890 mg/L, July 28; minimum daily mean, 69 mg/L, Apr. 17.

SUSPENDED-SEDIMENT DISCHARGE (seasonal only): Maximum daily, 3,670 tons (estimated), Aug. 31; minimum daily, 0.22 ton (estimated),
Aug. 21.

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Time	Instan- taneous dis- charge, cfs (00061)	Dis- solved oxygen, mg/L (00300)	pH, water, unfltrd field, std units (00400)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, water, deg C (00010)	Arsenic water unfltrd ug/L (01002)	Boron, water, unfltrd recover -able, ug/L (01022)	Cadmium water, unfltrd ug/L (01027)	Chrom- ium, water, unfltrd recover -able, ug/L (01034)	Copper, water, unfltrd recover -able, ug/L (01042)	Iron, water, unfltrd recover -able, ug/L (01045)	Lead, water, unfltrd recover -able, ug/L (01051)
APR
30...	1530	1.7	7.3	8.2	1,350	19.0	3	195	0.13	E.7	8.4	1,370	2.77
JUL
21...	1150	5.5	4.8	8.0	1,170	31.0	3	152	0.06	E.5	5.7	1,500	2.44

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Mangan- ese, water, unfltrd recover -able, ug/L (01055)	Mercury water, unfltrd recover -able, ug/L (71900)	Nickel, water, unfltrd recover -able, ug/L (01067)	Selen- ium, water, unfltrd ug/L (01147)	Silver, water, unfltrd recover -able, ug/L (01077)	Zinc, water, unfltrd recover -able, ug/L (01092)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
APR
30...	98.7	<0.02	6.13	5.9	0.35	15	--	--
JUL
21...	79.5	<0.02	5.81	4.8	<0.16	12	94	1.4
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.

WATER-QUALITY DATA DURING STORMWATER-RUNOFF SAMPLING, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Time	Instan- taneous dis- charge, cfs (00061)	Dis- solved oxygen, mg/L (00300)	pH, water, unfltrd field, std units (00400)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, water, deg C (00010)	E coli, modif. m-TEC, water, col/ 100 mL (90902)	E coli, m-TEC MF, water, col/ 100 mL (31633)	Fecal coli- form, M-FC 0.7u MF col/ 100 mL (31625)	Arsenic water unfltrd ug/L (01002)	Boron, water, unfltrd recover -able, ug/L (01022)	Cadmium water, unfltrd ug/L (01027)	Chrom- ium, water, unfltrd recover -able, ug/L (01034)
APR
24...	1130	47	8.6	7.9	423	12.0	--	370	730	5	41	0.64	9.6
JUL
28...	1645	324	7.7	8.1	224	19.5	>8000	--	>6000	13	E34	1.84	19.7

WATER-QUALITY DATA DURING STORMWATER-RUNOFF SAMPLING, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Copper, water, unfltrd recover -able, ug/L (01042)	Iron, water, unfltrd recover -able, ug/L (01045)	Lead, water, unfltrd recover -able, ug/L (01051)	Mangan- ese, water, unfltrd recover -able, ug/L (01055)	Mercury water, unfltrd recover -able, ug/L (71900)	Nickel, water, unfltrd recover -able, ug/L (01067)	Selen- ium, water, unfltrd ug/L (01147)	Silver, water, unfltrd recover -able, ug/L (01077)	Zinc, water, unfltrd recover -able, ug/L (01092)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
APR
24...	41.4	28,600	41.8	826	--	18.9	5.3	0.35	177	--	--
JUL
28...	97.4	66,600	125	3,630	0.22	49.7	4.4	0.51	405	8,810	7,710
> -- Actual value is known to be greater than the value shown. E -- Estimated laboratory analysis value.

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

Date	Time	Instan- taneous dis- charge, cfs (00061)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, water, deg C (00010)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
MAR
27...	1445	42	774	12.5	305	35
APR
08...	1700	14	--	16.5	128	4.8
08...	1705	15	842	--	--	--
17...	1315	3.0	1,410	22.0	66	0.53
23...	1845	102	435	5.5	5,140	1,420
23...	1850	102	435	--	--	--
MAY
12...	1215	3.0	1,360	23.5	77	0.62
13...	1520	2.4	1,380	17.5	--	--
JUN
05...	1415	89	337	16.5	1,680	404
05...	1420	85	344	--	--	--
09...	1315	2.6	1,180	26.0	67	0.47
09...	1505	2.7	1,180	26.0	--	--
18...	1500	7.9	867	--	--	--
JUL
22...	1610	2.2	1,250	--	--	--
AUG
18...	1455	1.9	1,320	--	--	--
26...	1245	1.7	1,080	28.0	112	0.51
SEP
03...	1400	35	475	18.0	2,120	200
03...	1410	39	484	--	--	--
16...	1150	3.1	1,250	--	--	--
16...	1215	3.8	1,200	22.5	110	1.1

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)
	APRIL			MAY			JUNE
1	19	74	4.0	2.0	---	e0.36	3.3	---	e0.65
2	17	79	3.6	2.6	---	e0.47	2.8	---	e0.52
3	20	---	e5.0	2.4	---	e0.43	7.8	181	14
4	18	---	e4.8	2.6	---	e0.46	53	752	248
5	27	---	e7.7	2.9	---	e0.52	34	858	108
6	29	---	e8.8	2.3	---	e0.42	9.4	---	e5.4
7	18	---	e5.9	2.3	---	e0.41	22	184	22
8	13	127	4.6	2.6	---	e0.47	3.9	---	e0.73
9	11	---	e3.6	2.8	---	e0.50	5.8	79	1.6
10	8.8	---	e2.7	6.5	---	e2.3	7.1	---	e1.7
11	3.9	---	e1.1	3.3	---	e0.71	5.2	---	e1.1
12	3.2	---	e0.82	3.2	77	0.66	7.5	---	e4.5
13	3.9	---	e0.89	2.7	---	e0.55	9.0	---	e3.0
14	3.6	---	e0.75	2.9	---	e0.59	49	412	174
15	3.5	---	e0.72	23	315	96	6.6	---	e2.2
16	2.8	---	e0.66	9.0	306	21	7.1	---	e1.8
17	3.2	69	0.59	3.2	---	e0.76	65	1,600	1,050
18	4.0	---	e0.73	2.7	---	e0.54	29	1,310	242
19	4.8	---	e1.0	3.0	---	e0.59	181	780	1,830
20	4.4	---	e0.82	3.2	---	e0.61	45	---	e130
21	3.4	---	e0.62	2.3	---	e0.44	7.1	313	6.1
22	3.6	---	e0.78	2.0	---	e0.37	5.0	---	e2.8
23	31	1,090	215	5.7	96	5.5	5.6	---	e1.8
24	51	---	e311	3.6	---	e0.77	7.4	---	e2.2
25	4.2	---	e0.77	11	144	13	67	397	137
26	2.1	---	e0.38	3.2	---	e0.64	147	605	468
27	1.8	---	e0.33	3.3	---	e0.61	42	---	e37
28	2.2	---	e0.40	2.9	---	e0.53	31	---	e26
29	2.0	---	e0.36	2.3	---	e0.42	28	---	e19
30	2.0	---	e0.37	2.9	---	e0.54	16	100	4.6
31	---	---	---	3.1	---	e0.56	---	---	---
TOTAL	321.4	---	588.79	127.5	---	151.73	909.6	---	4,545.70
	JULY			AUGUST			SEPTEMBER
1	10	83	2.4	3.8	---	e0.69	14	---	e11
2	9.6	90	2.3	2.9	---	e0.55	18	---	e25
3	6.8	---	e1.7	5.1	---	e2.3	26	471	100
4	5.4	---	e1.3	4.0	---	e1.2	7.1	---	e1.9
5	4.4	---	e1.1	2.3	---	e0.43	5.3	---	e1.2
6	4.8	---	e1.1	2.4	---	e0.44	20	---	e56
7	4.2	---	e0.97	2.1	---	e0.38	4.6	---	e0.84
8	3.7	---	e0.83	2.8	---	e0.50	3.6	---	e0.64
9	3.6	---	e0.79	2.3	---	e0.42	3.1	---	e0.55
10	3.8	---	e0.82	2.6	---	e0.47	3.0	---	e0.53
11	4.0	---	e0.86	18	221	56	3.0	---	e0.52
12	3.8	---	e0.80	5.1	---	e2.6	2.9	---	e0.51
13	4.3	---	e0.88	2.4	---	e0.48	5.2	---	e1.5
14	3.9	---	e0.79	2.8	---	e0.54	3.5	---	e0.75
15	5.0	---	e1.0	2.3	---	e0.45	4.2	---	e1.1
16	4.2	---	e0.81	2.0	---	e0.38	3.5	108	1.0
17	3.3	---	e0.63	2.0	---	e0.37	3.4	---	e0.99
18	3.0	---	e0.55	11	156	23	3.6	---	e1.0
19	31	346	94	2.7	---	e0.56	3.2	---	e0.86
20	18	498	38	1.5	---	e0.28	2.5	---	e0.66
21	6.1	104	1.8	1.2	---	e0.22	2.7	---	e0.70
22	3.7	---	e0.85	1.9	---	e0.35	2.5	---	e0.63
23	3.3	---	e0.66	2.3	---	e0.50	2.8	---	e0.66
24	2.4	---	e0.46	4.0	---	e2.5	2.7	---	e0.62
25	1.8	---	e0.33	24	269	75	2.8	---	e0.64
26	3.0	---	e1.6	2.7	133	1.1	2.7	---	e0.59
27	13	295	22	7.7	202	18	3.0	---	e0.63
28	196	1,890	2,280	18	271	32	2.2	---	e0.43
29	83	1,300	559	8.8	---	e5.3	2.1	---	e0.40
30	6.2	---	e2.2	120	1,050	449	2.4	---	e0.43
31	3.8	---	e0.69	301	---	e3,670	---	---	---
TOTAL	459.1	---	3,021.22	571.7	---	4,346.01	165.6	---	212.28

e Estimated.