GREEN RIVER BASIN

09306200 PICEANCE CREEK BELOW RYAN GULCH, NEAR RIO BLANCO, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--December 1970 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09306200

PERIOD OF DAILY RECORD.--

SPECIFIC CONDUCTANCE: December 1979 to September 1982, November 1985 to September 1998.

WATER TEMPERATURE: December 1979 to September 1982, November 1985 to September 1998.

SUSPENDED-SEDIMENT DISCHARGE: October 1972 to September 1983.

INSTRUMENTATION.--Automatic pumping sediment sampler, October 1972 to September 1983. Water-quality monitor, December 1979 to September 1982 and November 1985 to July 1996; water-quality monitor with satellite telemetry, July 1, 1996 to September 30, 1998.

REMARKS.--Prior to October 1995, unpublished maximum and minimum specific conductance data for daily record are available in district office.

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)	Potas- sium, water, fltrd, mg/L (00935)	Sodium adsorp- tion ratio (00931)	Sodium, water, fltrd, mg/L (00930)	Alka- linity, wat flt fxd end lab, mg/L as CaCO3 (29801)
NOV
13...	0947	4.4	12.1	8.3	1,910	3.5	620	84.9	96.9	2.53	4	232	445
MAR
24...	1148	9.6	9.9	8.3	1,670	8.1	590	89.0	88.3	2.61	3	181	468
JUN
18...	1248	3.5	8.4	8.4	1,630	19.2	560	75.0	90.0	2.68	4	193	466
AUG
05...	1115	4.5	8.3	8.5	1,530	19.7	490	59.5	82.4	2.60	4	190	422

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

Date	Chlor- ide, water, fltrd, mg/L (00940)	Fluor- ide, water, fltrd, mg/L (00950)	Silica, water, fltrd, mg/L (00955)	Sulfate water, fltrd, mg/L (00945)	Residue water, fltrd, sum of consti- tuents mg/L (70301)	Residue water, fltrd, tons/ acre-ft (70303)	Residue water, fltrd, tons/d (70302)	Residue on evap. at 180degC wat flt mg/L (70300)	Residue total at 105 deg. C, sus- pended, mg/L (00530)	Ammonia + org-N, water, fltrd, mg/L as N (00623)	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)
NOV
13...	21.8	0.8	15.0	496	1,220	1.82	16.0	1,340	<10	0.30	E.03	0.07	<0.008
MAR
24...	17.9	0.67	14.8	429	1,010	1.55	29.7	1,140	<10	0.33	E.04	0.16	<0.008
JUN
18...	18.8	0.8	13.7	419	1,100	1.53	10.6	1,130	<10	0.34	<0.04	<0.06	<0.008
AUG
05...	18.5	0.8	10.1	400	1,020	1.42	12.7	1,040	<10	0.37	<0.04	<0.06	<0.008

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

Date	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, fltrd, mg/L (00666)	Organic carbon, water, fltrd, mg/L (00681)	Alum- inum, water, fltrd, ug/L (01106)	Anti- mony, water, fltrd, ug/L (01095)	Arsenic water, fltrd, ug/L (01000)	Barium, water, fltrd, ug/L (01005)	Beryll- ium, water, fltrd, ug/L (01010)	Boron, water, fltrd, ug/L (01020)	Cadmium water, fltrd, ug/L (01025)	Chrom- ium, water, fltrd, ug/L (01030)	Cobalt water, fltrd, ug/L (01035)	Copper, water, fltrd, ug/L (01040)
NOV
13...	0.03	E.03	5.1	<2	E.16	2	72	<0.06	229	E.03	<0.8	0.494	1.5
MAR
24...	0.03	0.04	3.9	E1	<0.30	2	72	<0.06	167	E.03	<0.8	0.573	1.5
JUN
18...	E.02	E.02	5.3	2	<0.30	3	58	<0.06	191	<0.04	<0.8	0.435	4.2
AUG
05...	E.01	<0.04	5.5	3	<0.30	3	42	<0.06	199	E.03	<0.8	0.357	2.9

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

Date	Iron, water, fltrd, ug/L (01046)	Lead, water, fltrd, ug/L (01049)	Lithium water, fltrd, ug/L (01130)	Mangan- ese, water, fltrd, ug/L (01056)	Mercury water, fltrd, ug/L (71890)	Molyb- denum, water, fltrd, ug/L (01060)	Nickel, water, fltrd, ug/L (01065)	Selen- ium, water, fltrd, ug/L (01145)	Silver, water, fltrd, ug/L (01075)	Stront- ium, water, fltrd, ug/L (01080)	Vanad- ium, water, fltrd, ug/L (01085)	Zinc, water, fltrd, ug/L (01090)	Uranium natural water, fltrd, ug/L (22703)
NOV
13...	10	<0.08	10	111	E.01	9.0	4.21	<3	<0.2	3,760	E5	2	3.62
MAR
24...	13	E.04	9	106	<0.02	7.9	3.02	<3	<0.2	3,680	E6	1	3.34
JUN
18...	18	E.04	11	48.1	<0.02	7.2	1.77	<3	<0.2	3,170	7	2	3.55
AUG
05...	11	<0.08	12	12.1	<0.02	7.2	2.16	<3	<0.2	2,520	E5	2	3.23
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.

RADIOCHEMICAL ANALYSES, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Alpha radio- activty 2-sigma wat flt Th-230, pCi/L (75987)	Alpha radio- activty water, fltrd, Th-230, pCi/L (04126)	Beta radio- activty 2-sigma wat flt CS-137, pCi/L (75989)	Gross beta radioac water, fltrd, Cs-137, pCi/L (03515)		Date	Alpha radio- activty 2-sigma wat flt Th-230, pCi/L (75987)	Alpha radio- activty water, fltrd, Th-230, pCi/L (04126)	Beta radio- activty 2-sigma wat flt CS-137, pCi/L (75989)	Gross beta radioac water, fltrd, Cs-137, pCi/L (03515)
NOV						JUN
13...	1.1	4	6.3	3		18...	--	7.5	--	5.2
MAR						AUG
24...	1.0	3	4.9	5		05...	--	7	--	3

MISCELLANEOUS FIELD MEASUREMENTS, 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)		Date	Time	Instan- taneous dis- charge, cfs (00061)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, water, deg C (00010)
OCT						MAY
02...	1327	5.0	2,010	13.0		14...	1234	11	1,820	13.9
DEC						JUL
13...	1210	5.3	1,750	0.5		15...	1518	7.8	1,680	25.1
MAR						29...	1515	3.1	1,530	26.3
09...	1156	17	1,350	0.6

SUSPENDED SEDIMENT DISCHARGE, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Time	Instan- taneous dis- charge, cfs (00061)	Temper- ature, water, deg C (00010)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
NOV
13...	0947	4.4	3.5	60	0.72
MAR
24...	1148	9.6	8.1	36	0.93
JUN
18...	1248	3.5	19.2	33	0.31
AUG
05...	1115	4.5	19.7	9	0.11