GUNNISON RIVER BASIN

CURECANTI WATER-QUALITY NETWORK-Continued

382831107172600 BLUE MESA RESERVOIR ABOVE SOAP CREEK NEAR SAPINERO, CO

WATER-QUALITY RECORDS

LOCATION.--Lat 38°28'31", long 107°17'26", in NW14SW14 sec.27, T.49 N., R.4 W., Gunnison County, Hydrologic Unit 14020002, 0.6 mi north of U.S. Highway 50, approximately 2.7 mi downstream of U.S. Highway 50 bridge, and 1.3 mi northeast 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=382831107172600

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

Date	Time	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)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)
APR
17...	1045	9.5	8.3	234	4.5	110	34.1	6.74	0.14	<0.015	E.021	<0.002	E.006
JUL
02...	1140	6.8	8.4	196	17.7	90	27.5	5.32	0.21	<0.015	<0.022	<0.002	<0.007
22...	0920	6.7	8.4	206	20.1	94	28.4	5.55	0.21	<0.015	<0.022	<0.002	<0.007
AUG
14...	1156	6.8	8.7	210	20.9	100	32.0	5.82	0.20	<0.015	<0.022	<0.002	<0.007
26...	1040	6.7	8.5	209	19.4	97	29.1	5.90	0.15	<0.015	<0.022	<0.002	<0.007
SEP
17...	0940	6.3	8.2	215	16.2	100	31.2	6.08	0.17	<0.015	<0.022	<0.002	<0.007

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

Date	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)
APR
17...	0.014	<0.04	0.6	<0.08	0.7	<0.5	<0.2	<1
JUL
02...	0.019	<0.04	1.0	<0.08	3.3	<0.5	<0.2	M
22...	0.011	<0.04	0.9	<0.08	0.7	<0.5	<0.2	<1
AUG
14...	0.007	<0.04	1.0	<0.08	0.4	E.3	<0.2	<1
26...	0.006	<0.04	1.1	<0.08	0.5	<0.5	<0.2	1
SEP
17...	0.012	<0.04	0.9	<0.08	0.5	<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.