PLATTE RIVER BASIN

06752280 CACHE LA POUDRE RIVER ABOVE BOXELDER CREEK NEAR TIMNATH, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--October 1979 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=06752280

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)	Sodium adsorp- tion ratio (00931)	Sodium, water, fltrd, mg/L (00930)	ANC, wat unf fixed end pt, lab, mg/L as CaCO3 (90410)	Chlor- ide, water, fltrd, mg/L (00940)
OCT
17...	1415	2.0	11.0	8.3	1,780	11.5	880	227	76.8	--	--	E154	--
NOV
15...	1545	1.9	11.8	8.3	1,830	6.0	990	258	84.5	--	--	222	--
DEC
17...	1245	2.4	11.8	8.4	1,770	3.0	950	250	79.5	--	--	E187	--
JAN
29...	0920	2.6	10.8	8.3	1,570	1.5	800	212	65.0	1	71.6	226	24.3
FEB
27...	1225	2.0	12.2	8.4	1,690	2.5	870	227	73.8	--	--	E224	--
APR
03...	0920	4.5	8.8	7.7	1,860	9.5	920	231	84.2	--	--	209	--
29...	1235	4.9	11.2	8.2	1,810	17.5	880	227	76.9	--	--	204	--
MAY
20...	0900	6.9	8.0	8.3	760	10.0	330	90.2	26.2	--	--	112	--
JUL
02...	1445	293	8.1	8.3	149	20.0	60	16.8	4.25	--	--	39	--
15...	0915	18	--	8.5	457	20.5	200	52.2	15.9	0.6	20.0	85	8.58
AUG
05...	0845	33	7.7	8.2	293	20.0	120	34.0	9.10	--	--	63	--
SEP
17...	0915	12	--	8.2	575	15.0	240	63.9	19.6	--	--	117	--

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

Date	Fluor- ide, water, fltrd, mg/L (00950)	Silica, water, fltrd, mg/L (00955)	Sulfate water, fltrd, mg/L (00945)	Residue on evap. at 180degC wat flt mg/L (70300)	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)	Phos- phorus, water, fltrd, mg/L (00666)	Alum- inum, water, fltrd, ug/L (01106)	Arsenic water, fltrd, ug/L (01000)	Cadmium water, fltrd, ug/L (01025)	Chrom- ium, water, fltrd, ug/L (01030)
OCT
17...	--	--	--	--	<0.04	0.582	0.015	<0.02	<0.04	--	--	--	--
NOV
15...	--	--	--	--	<0.04	1.10	0.021	<0.02	<0.04	--	--	--	--
DEC
17...	--	--	--	--	0.04	1.37	0.018	<0.02	<0.04	--	--	--	--
JAN
29...	0.95	8.1	662	1,310	E.03	1.24	0.016	<0.02	<0.04	<2	<2	<0.2	<0.8
FEB
27...	--	--	--	--	0.06	1.29	0.010	<0.02	E.03	--	--	--	--
APR
03...	--	--	--	--	E.03	0.804	0.017	<0.02	<0.04	--	--	--	--
29...	--	--	--	--	0.05	0.576	0.019	<0.02	E.02	--	--	--	--
MAY
20...	--	--	--	--	0.07	0.403	0.010	E.01	<0.04	--	--	--	--
JUL
02...	--	--	--	--	<0.04	0.156	<0.008	E.01	E.03	--	--	--	--
15...	0.4	8.79	115	288	<0.04	0.309	0.010	0.04	0.06	8	<2	<0.04	<0.8
AUG
05...	--	--	--	--	0.015	0.321	0.009	0.041	0.04	--	--	--	--
SEP
17...	--	--	--	--	<0.015	0.587	0.009	0.114	0.12	--	--	--	--

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

Date	Copper, water, fltrd, ug/L (01040)	Iron, water, fltrd, ug/L (01046)	Iron, water, unfltrd recover -able, ug/L (01045)	Lead, water, fltrd, ug/L (01049)	Mangan- ese, water, unfltrd recover -able, ug/L (01055)	Mercury water, fltrd, ug/L (71890)	Nickel, water, fltrd, ug/L (01065)	Selen- ium, water, fltrd, ug/L (01145)	Silver, water, fltrd, ug/L (01075)	Zinc, water, fltrd, ug/L (01090)
OCT
17...	4.2	21	110	--	--	--	--	--	<0.3	--
NOV
15...	2.7	26	80	--	--	--	--	--	<0.3	--
DEC
17...	3.4	14	90	--	--	--	--	--	<0.3	--
JAN
29...	2.6	E9	90	<1	37	<0.02	<2.0	7.1	<0.3	2
FEB
27...	4.6	14	140	--	--	--	--	--	<0.3	--
APR
03...	5.1	45	290	--	--	--	--	--	<0.5	--
29...	5.8	42	390	--	--	--	--	--	<0.3	--
MAY
20...	3.3	49	360	--	--	--	--	--	<0.3	--
JUL
02...	0.8	56	310	--	--	--	--	--	<0.3	--
15...	1.1	32	460	<0.08	49	<0.02	2.02	1.2	<0.20	1
AUG
05...	1.2	26	380	--	--	--	--	--	<0.20	--
SEP
17...	1.2	41	220	--	--	--	--	--	<0.20	--
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.