PLATTE RIVER BASIN

BIG THOMPSON PROJECT-Continued

403814105111800 HANSEN CANAL ABV GREELEY FILTRATION PLANT NR LAPORTE, CO

WATER-QUALITY RECORDS

LOCATION.--Lat 40°38'14", long 105°11'18", in SW14NE14 sec.23, T.8 N., R.70 W., Larimer County, Hydrologic Unit 10190006, 9.4 mi north of
Fort Collins.

PERIOD OF RECORD.--August 2000 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=403814105111800

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

Date	Time	Instan- taneous dis- charge, cfs (00061)	Turbid- ity, wat unf lab, Hach 2100AN NTU (99872)	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)
JUL
11...	1155	76	8.1	9.2	7.8	79	14.0	33	10.3	1.86	0.88	0.2	3.12
25...	1045	35	8.1	9.7	7.8	77	15.5	33	10.2	1.74	0.82	0.2	2.91
AUG
15...	1050	239	5.2	9.5	7.8	56	19.0	24	7.38	1.31	0.67	0.2	2.14
SEP
12...	0905	92	2.2	8.3	7.6	51	18.0	20	6.10	1.20	0.47	0.2	1.71

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

Date	Alka- linity, wat flt fxd end lab, mg/L as CaCO3 (29801)	Chlor- ide, water, fltrd, mg/L (00940)	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)	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)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, fltrd, mg/L (00666)	Phos- phorus, water, unfltrd mg/L (00665)
JUL
11...	34	1.67	4.2	43	0.07	10.8	53	0.18	<0.015	0.166	<0.007	0.005	0.020
25...	32	2.02	4.2	42	0.07	4.88	51	0.33	<0.015	0.152	<0.007	0.005	0.018
AUG
15...	23	1.53	2.7	30	0.06	26.3	41	0.20	<0.015	0.127	<0.007	0.005	0.017
SEP
12...	21	1.31	3.0	27	0.05	9.54	38	0.18	<0.015	0.075	<0.007	E.004	0.014

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

Date	Arsenic water, fltrd, ug/L (01000)	Copper, water, fltrd, ug/L (01040)	Iron, water, fltrd, ug/L (01046)	Lead, water, fltrd, ug/L (01049)	Mangan- ese, water, fltrd, ug/L (01056)	Mercury water, fltrd, ug/L (71890)	Nickel, water, fltrd, ug/L (01065)	Silver, water, fltrd, ug/L (01075)
JUL
11...	0.3	2.6	E6	<0.08	0.7	<0.02	0.48	<0.20
25...	0.4	2.8	9	<0.08	0.8	<0.02	0.54	<0.20
AUG
15...	0.3	3.3	22	<0.08	2.0	<0.02	0.51	<0.20
SEP
12...	0.3	3.5	17	<0.08	0.7	<0.02	0.20	<0.20
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.

403814105111800 HANSEN CANAL ABV GREELEY FILTRATION PLANT NR LAPORTE, CO-Continued

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

Date	Benzene water unfltrd ug/L (34030)	Ethyl- benzene water unfltrd ug/L (34371)	meta- + para- Xylene, water, unfltrd ug/L (85795)	o- Xylene, water, unfltrd ug/L (77135)	Toluene water unfltrd ug/L (34010)
JUL
11...	<0.4	<0.4	<0.4	<0.4	<0.4
25...	<0.4	<0.4	<0.4	<0.4	<0.4
AUG
15...	<0.4	<0.4	<0.4	<0.4	<0.4
SEP
12...	<0.4	<0.4	<0.4	<0.4	<0.4
< -- Actual value is known to be less than the value shown.