ROARING FORK RIVER BASIN

09081600 CRYSTAL RIVER ABOVE AVALANCHE CREEK, NEAR REDSTONE, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--October 1996 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09081600

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)
OCT
09...	0935	93	9.7	7.8	469	5.8	210	71.6	8.26	1.42	0.5	17.6	E107
FEB
06...	1520	36	10.4	7.6	740	3.0	--	--	--	--	--	--	--
APR
22...	1250	186	10.4	7.8	404	7.9	180	58.7	8.04	1.14	0.5	14.6	105
MAY
27...	1440	1,360	9.5	--	165	10.4	72	22.9	3.50	0.51	0.2	3.35	61
JUL
23...	1355	212	8.7	7.7	331	15.6	--	--	--	--	--	--	--
SEP
04...	1350	84	8.4	7.7	525	14.2	240	78.9	10.2	1.78	0.5	17.1	116

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)	Ammonia + org-N, water, fltrd, mg/L as N (00623)	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)
OCT
09...	5.54	0.3	7.9	126	--	--	--	E.06	0.13	<0.015	0.067	E.002	<0.007
FEB
06...	--	--	--	--	--	--	--	<0.10	E.08	0.028	0.078	<0.002	<0.007
APR
22...	4.23	0.19	6.9	92.1	250	0.34	125	E.06	0.19	<0.015	0.193	<0.002	<0.007
MAY
27...	0.95	<0.2	5.3	20.3	94	0.13	346	E.08	0.37	<0.015	0.179	<0.002	<0.007
JUL
23...	--	--	--	--	--	--	--	<0.10	<0.10	<0.015	0.053	<0.002	<0.007
SEP
04...	7.44	0.3	8.8	141	335	0.46	76.0	<0.10	<0.10	E.009	0.046	<0.002	<0.007

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

Date	Phos- phorus, water, fltrd, mg/L (00666)	Phos- phorus, water, unfltrd mg/L (00665)	E coli, m-TEC MF, water, col/ 100 mL (31633)	Fecal coli- form, M-FC 0.7u MF col/ 100 mL (31625)
OCT
09...	<0.004	0.005	E7	E15
FEB
06...	<0.004	E.003	<1	<1
APR
22...	E.004	0.050	<1	<1
MAY
27...	E.002	0.25	<33	E18
JUL
23...	<0.004	E.003	E2	E5
SEP
04...	<0.004	E.003	E4	E6
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.

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

Date	Cadmium water, fltrd, ug/L (01025)	Copper, water, fltrd, ug/L (01040)	Iron, water, unfltrd recover -able, ug/L (01045)	Lead, water, fltrd, ug/L (01049)	Mangan- ese, water, fltrd, ug/L (01056)	Mangan- ese, water, unfltrd recover -able, ug/L (01055)	Mercury water, fltrd, ug/L (71890)	Selen- ium, water, fltrd, ug/L (01145)	Silver, water, fltrd, ug/L (01075)	Zinc, water, fltrd, ug/L (01090)
OCT
09...	<0.2	<1.2	90	<1	7.4	9.8	<0.02	<3	<0.3	<24
APR
22...	<0.2	<1.2	970	<1	5.5	28.8	<0.02	<3	<0.3	<24
MAY
27...	<0.2	E.7	4,740	<1	4.0	143	<0.02	<3	<0.3	3
SEP
04...	<0.2	<1.2	80	<1	9.8	12.1	<0.02	E1	<0.3	<3
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.

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						APR
03...	1145	118	440	8.4		03...	1130	61	604	4.1
NOV						30...	1055	305	321	5.4
14...	1115	61	595	3.6		JUN
JAN						02...	1240	1,690	152	7.3
16...	1055	26	808	3.2		JUL
						02...	0900	613	196	7.5