ROARING FORK RIVER BASIN

09081000 ROARING FORK RIVER NEAR EMMA, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--January 1998 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09081000

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
08...	1415	271	9.5	8.5	406	10.3	210	66.3	11.7	1.33	0.1	4.16	E115
FEB
05...	1700	173	11.9	8.8	435	0.8	--	--	--	--	--	--	--
APR
24...	0915	263	11.2	8.2	393	3.9	200	61.2	10.6	1.28	0.1	4.46	105
MAY
27...	1730	1,490	8.9	--	210	12.7	94	29.9	4.62	0.75	0.1	1.94	59
JUL
22...	1905	376	7.9	8.2	363	18.0	--	--	--	--	--	--	--
SEP
04...	0900	359	9.8	8.1	345	9.2	170	53.5	9.29	1.13	0.1	3.35	96

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
08...	3.17	0.2	7.7	96.1	--	--	--	E.09	0.17	E.009	0.131	E.002	0.010
FEB
05...	--	--	--	--	--	--	--	0.13	0.14	<0.015	0.263	0.004	0.027
APR
24...	4.48	0.23	6.6	90.5	243	0.33	173	0.12	0.23	E.012	0.195	E.002	0.009
MAY
27...	1.58	0.2	6.4	39.6	121	0.16	488	0.18	0.37	<0.015	0.122	E.002	E.005
JUL
22...	--	--	--	--	--	--	--	E.09	0.12	E.013	0.084	0.003	0.010
SEP
04...	2.56	0.2	7.7	74.5	211	0.29	204	0.12	0.19	<0.015	0.177	<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
08...	0.014	0.020	E2	E6
FEB
05...	0.035	0.046	<1	E1
APR
24...	0.014	0.038	E23	E18
MAY
27...	0.009	0.059	E51	83
JUL
22...	0.015	0.021	E19	E11
SEP
04...	0.015	0.023	E30	30
< -- 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
08...	<0.2	<1.2	50	<1	4.1	6.9	<0.02	<3	<0.3	<24
APR
24...	<0.2	<1.2	210	<1	4.5	15.3	<0.02	<3	<0.3	<24
MAY
27...	<0.2	E.9	700	<1	6.0	38.4	<0.02	<3	<0.3	4
SEP
04...	<0.2	1.2	90	<1	5.5	15.4	<0.02	<3	<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...	1445	297	400	9.5		02...	1525	183	422	11.4
NOV						MAY
12...	1415	183	427	2.9		08...	1350	302	346	9.0
JAN						JUL
15...	1500	164	425	1.4		02...	1215	804	283	11.8

SUSPENDED SEDIMENT DISCHARGE, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Time	Instan- taneous dis- charge, cfs (00061)	Temper- ature, water, deg C (00010)	Suspnd. sedi- ment, sieve diametr percent <.063mm (70331)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
OCT
08...	1415	271	10.3	--	2	1.3
FEB
05...	1700	173	0.8	--	3	1.3
APR
24...	0915	263	3.9	--	8	5.7
MAY
27...	1730	1,490	12.7	77	45	181
JUL
22...	1905	376	18.0	--	2	2.3
SEP
04...	0900	359	9.2	--	7	6.9