GUNNISON RIVER BASIN

CURECANTI WATER-QUALITY NETWORK-Continued

382702107203900 PINE CREEK AT HIGHWAY 50 NEAR SAPINERO, CO

WATER-QUALITY RECORDS

LOCATION.--Lat 38°27'02", long 107°20'39", in NW14NE14 sec.5, T.48 N., R.4 W., Gunnison County, Hydrologic Unit 14020002, approximately 600 ft upstream of confluence with Gunnison River below Blue Mesa Reservoir dam, 0.8 mi downstream of U.S. Highway 50 bridge over Pine Creek inlet,and 2.4 mi west of Sapinero.

PERIOD OF RECORD.--For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=382702107203900

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)
FEB
18...	1052	--	11.0	8.0	116	0.2	48	13.9	3.23	0.11	<0.015	0.241	<0.002
APR
30...	0930	14	9.9	8.0	78	4.4	33	9.78	2.20	0.55	E.008	0.273	0.003
JUN
04...	1330	4.6	7.5	8.1	111	13.8	51	14.9	3.38	0.44	<0.015	0.032	E.002
JUL
07...	1015	1.6	7.7	8.1	146	11.9	71	21.4	4.31	0.30	<0.015	0.043	<0.002
AUG
04...	1135	1.6	7.4	8.1	151	15.1	70	21.1	4.14	0.27	<0.015	E.019	<0.002
19...	1443	1.6	7.3	8.3	144	15.8	65	19.3	3.97	0.28	<0.015	E.018	<0.002
SEP
22...	0915	1.5	9.3	8.1	137	7.2	58	17.4	3.51	0.21	<0.015	E.013	<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)
FEB
18...	0.047	0.074	<0.04	E.2	<0.08	8.4	<0.5	<0.2	<1
APR
30...	0.041	0.122	<0.04	0.8	<0.08	4.7	<0.5	<0.2	<1
JUN
04...	0.065	0.133	<0.04	0.4	<0.08	9.2	<0.5	<0.2	<1
JUL
07...	0.079	0.134	<0.04	0.4	<0.08	12.3	<0.5	<0.2	M
AUG
04...	0.089	0.160	<0.04	0.4	<0.08	13.2	<0.5	<0.2	2
19...	0.088	0.145	<0.04	0.4	<0.08	12.2	<0.5	<0.2	<1
SEP
22...	0.066	0.110	<0.04	0.3	<0.08	17.3	<0.5	<0.2	<1
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value. M -- Presence of material verified but not quantified.