EAGLE RIVER BASIN

392511106164000 EAST FORK EAGLE RIVER NEAR RED CLIFF, CO.

WATER-QUALITY RECORDS

LOCATION.--Lat 39°25'11", long 106°16'40", in SE14SE14 sec. 24, T 7 S. R. 80 W., Eagle County, Hydrologic Unit 14010003, at Resolution Road No. 702, 0.25 mi east of East Fork Eagle ford on East Fork Eagle Road, 1.0 mi west of Camp Hale Campground, and 10.2 mi south-southeast of Red Cliff.

DRAINAGE AREA.--10.9 mi2.

PERIOD OF RECORD.--November 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=392511106164000

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 inc tit field, mg/L as CaCO3 (39086)
NOV
13...	0900	0.63	9.5	7.9	182	0.0	94	22.3	9.40	0.75	0.1	1.76	82
FEB
20...	0936	0.54	9.2	8.0	219	0.0	--	--	--	--	--	--	86
APR
16...	0930	1.6	9.8	8.2	222	1.0	110	26.8	11.2	0.96	0.1	2.10	94
MAY
21...	1500	29	8.3	7.9	160	7.3	--	--	--	--	--	--	68
JUN
06...	0910	49	9.1	8.1	148	4.2	75	17.7	7.51	0.83	0.0	0.99	56
AUG
13...	0955	3.0	8.4	8.1	172	8.0	85	20.0	8.58	0.87	0.1	1.67	73

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

Date	Bicar- bonate, wat flt incrm. titr., field, mg/L (00453)	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)
NOV
13...	100	0.26	<0.17	5.5	8.8	98	0.13	0.17	E.05	E.06	<0.015	0.087	<0.002
FEB
20...	105	--	--	--	--	--	--	--	E.06	<0.10	<0.015	0.066	<0.002
APR
16...	115	0.83	0.20	5.1	19.4	124	0.17	0.52	<0.10	E.06	<0.015	0.089	<0.002
MAY
21...	83	--	--	--	--	--	--	--	0.16	0.23	<0.015	0.029	<0.002
JUN
06...	69	0.34	0.2	4.3	15.6	81	0.11	10.8	0.14	0.18	<0.015	0.042	<0.002
AUG
13...	89	0.26	<0.2	5.5	7.9	89	0.12	0.71	E.07	E.09	<0.015	0.051	<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, 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)
NOV
13...	<0.007	<0.004	<0.004	<1	<1
FEB
20...	<0.007	<0.004	<0.004	<1	<1
APR
16...	<0.007	E.002	E.003	<1	<1
MAY
21...	<0.007	0.005	0.009	<1	<1
JUN
06...	<0.007	<0.004	0.010	<1	--
AUG
13...	<0.007	<0.004	E.004	43	46
< -- 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)
NOV
13...	<0.2	<1.2	280	<1	32.0	35.4	<0.02	<3	<0.3	<24
APR
16...	<0.2	<1.2	180	<1	10.3	14.4	<0.02	<3	<0.3	<24
JUN
06...	<0.2	<1.2	550	<1	5.1	12.2	<0.02	<3	<0.3	E2
AUG
13...	<0.2	<1.2	270	<1	20.6	21.8	<0.02	<3	<0.3	<3
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.