e Estimated.

ARKANSAS RIVER BASIN

07103977 COTTONWOOD CREEK AT COWPOKE ROAD AT COLORADO SPRINGS, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--April 1998 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07103977

PERIOD OF DAILY RECORD.--

SUSPENDED SEDIMENT: April 1998 to October 2002 (seasonal records only) (discontinued).

INSTRUMENTATION.--Pumping sediment sampler with satellite telemetry.

REMARKS.--Daily suspended-sediment records are poor.

EXTREMES FOR PERIOD OF RECORD.--

SEDIMENT CONCENTRATION (seasonal only): Maximum daily mean, 6,760 mg/L, May 25, 1999; minimum daily mean, 7 mg/L, June 13, 2000.

SUSPENDED-SEDIMENT DISCHARGE (seasonal only): Maximum daily, 2,510 tons (estimated), Apr. 30, 1999; minimum daily, 0.0 ton (most estimated), on many days in 2000 and 2002.

EXTREMES FOR CURRENT YEAR.--

SUSPENDED-SEDIMENT DISCHARGE (seasonal only): Maximum daily during October, 0.09 ton (estimated), Oct. 2-3; minimum daily, 0.03 ton (estimated), Oct. 20-22.

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)	Ammonia water, fltrd, mg/L as N (00608)	Nitrite + nitrate water fltrd, mg/L as N (00631)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, unfltrd mg/L (00665)	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)
NOV
06...	1300	0.05	8.8	7.9	412	10.0	0.052	E.04	<0.02	0.47	--	E2100	E1600
JUN
24...	1035	0.05	6.5	7.6	503	22.5	0.043	E.04	<0.02	0.08	4,200	--	3,900

WATER-QUALITY DATA,

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
NOV
06...	2,000	0.27
JUN
24...	178	0.02
< -- 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)	Ammonia water, fltrd, mg/L as N (00608)	Nitrite + nitrate water fltrd, mg/L as N (00631)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, unfltrd mg/L (00665)	E coli, modif. m-TEC, water, col/ 100 mL (90902)	Fecal coli- form, M-FC 0.7u MF col/ 100 mL (31625)	Sus- pended sedi- ment concen- tration mg/L (80154)
JUL
28...	1935	2.5	7.3	e5.5	273	17.0	0.635	1.04	<0.02	4.30	18,000	20,000	17,600

WATER-QUALITY DATA DURING STORMWATER-RUNOFF SAMPLING,

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Sus- pended sedi- ment load, tons/d (80155)
JUL
28...	121
< -- Actual value is known to be less than the value shown. e -- Estimated.

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)
OCT
02...	1045	0.07	453	9.0	501	0.09
09...	0800	0.07	435	7.5	253	0.05
22...	1145	0.05	453	9.5	214	0.03
NOV
05...	0745	0.05	534	0.0	580	0.08
06...	1300	0.05	412	10.0	2,000	0.27
JUN
24...	1035	0.05	503	22.5	178	0.02
JUL
28...	1935	2.5	273	17.0	17,600	121

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY) 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Day	Mean discharge (cfs)	Mean concen- tration (mg/l)	Load (tons/ day)
OCTOBER
1	e0.07	---	e0.07
2	e0.07	---	e0.09
3	e0.07	---	e0.09
4	e0.07	---	e0.08
5	e0.07	---	e0.07
6	e0.07	---	e0.07
7	e0.07	---	e0.06
8	e0.07	---	e0.05
9	e0.07	---	e0.05
10	e0.07	---	e0.05
11	e0.07	---	e0.05
12	e0.07	---	e0.05
13	e0.07	---	e0.05
14	e0.07	---	e0.04
15	e0.06	---	e0.04
16	e0.06	---	e0.04
17	e0.06	---	e0.04
18	e0.06	---	e0.04
19	e0.06	---	e0.04
20	e0.05	---	e0.03
21	e0.04	---	e0.03
22	e0.05	---	e0.03
23	e0.06	---	e0.04
24	e0.06	---	e0.04
25	e0.06	---	e0.05
26	e0.07	---	e0.06
27	e0.08	---	e0.07
28	e0.06	---	e0.07
29	e0.05	---	e0.06
30	e0.05	---	e0.06
31	e0.05	---	e0.06
TOTAL	1.96	---	1.67