GUNNISON RIVER BASIN

CURECANTI WATER-QUALITY NETWORK-Continued

382937107033500 STEUBEN CREEK NEAR MOUTH NEAR GUNNISON, CO

WATER-QUALITY RECORDS

LOCATION.--Lat 38°29'37", long 107°03'35", in SE14NE14 sec.22, T.49 N., R.2 W., Gunnison County, Hydrologic Unit 14020002, approximately 600 ft upstream of mouth of Steuben Creek, 0.3 mi from U.S. Highway 50 and State Highway 149 intersection, and 9.3 mi southwest of Gunnison.

PERIOD OF RECORD.--For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=382937107033500

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)	Hard- ness, water, unfltrd mg/L as CaCO3 (00900)	Calcium water, fltrd, mg/L (00915)	Magnes- ium, water, fltrd, mg/L (00925)	Ammonia + org-N, water, unfltrd mg/L as N (00625)	Ammonia water, fltrd, mg/L as N (00608)	Nitrite + nitrate water fltrd, mg/L as N (00631)	Nitrite water, fltrd, mg/L as N (00613)
JAN
22...	1030	--	10.0	7.7	93	0.0	36	11.3	1.86	E.08	<0.015	0.060	<0.002
APR
29...	0843	4.9	10.3	8.1	76	3.0	31	9.63	1.63	0.36	<0.015	<0.022	<0.002
JUN
04...	0945	50	10.1	7.3	41	4.8	16	5.07	0.887	0.27	<0.015	<0.022	<0.002
JUL
01...	1148	7.7	7.3	--	96	12.4	42	13.2	2.07	0.27	<0.015	<0.022	<0.002
31...	1020	2.0	7.6	7.9	92	13.1	40	12.7	1.99	0.16	<0.015	<0.022	<0.002
AUG
19...	0917	2.3	8.3	7.9	86	9.9	30	9.30	1.69	0.21	<0.015	<0.022	<0.002

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

Date	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, unfltrd mg/L (00665)	Cadmium water, fltrd, ug/L (01025)	Copper, water, fltrd, ug/L (01040)	Lead, water, fltrd, ug/L (01049)	Mangan- ese, water, fltrd, ug/L (01056)	Selen- ium, water, fltrd, ug/L (01145)	Silver, water, fltrd, ug/L (01075)	Zinc, water, fltrd, ug/L (01090)
JAN
22...	0.030	0.038	<0.04	E.2	E.07	5.0	<0.5	<0.2	<1
APR
29...	0.034	0.069	<0.04	0.4	<0.08	4.3	<0.5	<0.2	<1
JUN
04...	0.023	0.059	<0.04	0.3	<0.08	7.0	<0.5	<0.2	<1
JUL
01...	0.094	0.132	<0.04	0.3	<0.08	8.9	<0.5	<0.2	<1
31...	0.068	0.104	<0.04	E.2	<0.08	3.0	<0.5	<0.2	<1
AUG
19...	0.065	0.106	<0.04	0.3	<0.08	3.7	<0.5	<0.2	<1
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.