BIG THOMPSON PROJECT-Continued
402518105131300 BIG THOMPSON RIVER BELOW BIG THOMPSON POWER PLANT NEAR LOVELAND, CO
WATER-QUALITY RECORDS
LOCATION.--Lat 40°25'18", long 105°13'13", in SW14SE14 sec.3, T.5 N., R.70 W., Larimer County, Hydrologic Unit 10190006, approximately 280 ft downstream of bridge, approximately 1.7 mi from Hwy 34, approximately 880 ft downstream of Big Thompson Hydroelectric Power Plant.
DRAINAGE AREA.--306 mi2.
PERIOD OF RECORD.--March 2001 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=402518105131300
WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
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Instan- taneous dis- charge, cfs (00061)
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Turbid- ity, wat unf lab, Hach 2100AN NTU (99872)
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Dis- solved oxygen, mg/L (00300)
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pH, water, unfltrd field, std units (00400)
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Specif. conduc- tance, wat unf uS/cm 25 degC (00095)
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Temper- ature, water, deg C (00010)
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Hard- ness, water, unfltrd mg/L as CaCO3 (00900)
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Calcium water, fltrd, mg/L (00915)
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Magnes- ium, water, fltrd, mg/L (00925)
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Potas- sium, water, fltrd, mg/L (00935)
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Sodium adsorp- tion ratio (00931)
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Sodium, water, fltrd, mg/L (00930)
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402518105131300 BIG THOMPSON RIVER BELOW BIG THOMPSON POWER PLANT NEAR LOVELAND, CO-Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
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Alka- linity, wat flt fxd end lab, mg/L as CaCO3 (29801)
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Chlor- ide, water, fltrd, mg/L (00940)
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Sulfate water, fltrd, mg/L (00945)
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Residue water, fltrd, sum of consti- tuents mg/L (70301)
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Residue water, fltrd, tons/ acre-ft (70303)
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Residue water, fltrd, tons/d (70302)
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Residue on evap. at 180degC wat flt mg/L (70300)
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Ammonia + org-N, water, unfltrd mg/L as N (00625)
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Ammonia water, fltrd, mg/L as N (00608)
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Nitrite + nitrate water fltrd, mg/L as N (00631)
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Ortho- phos- phate, water, fltrd, mg/L as P (00671)
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Phos- phorus, water, fltrd, mg/L (00666)
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Phos- phorus, water, unfltrd mg/L (00665)
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WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
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Arsenic water, fltrd, ug/L (01000)
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Copper, water, fltrd, ug/L (01040)
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Iron, water, fltrd, ug/L (01046)
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Lead, water, fltrd, ug/L (01049)
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Mangan- ese, water, fltrd, ug/L (01056)
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Mercury water, fltrd, ug/L (71890)
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Nickel, water, fltrd, ug/L (01065)
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Silver, water, fltrd, ug/L (01075)
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< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.
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402518105131300 BIG THOMPSON RIVER BELOW BIG THOMPSON POWER PLANT NEAR LOVELAND, CO-Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
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Benzene water unfltrd ug/L (34030)
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Ethyl- benzene water unfltrd ug/L (34371)
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meta- + para- Xylene, water, unfltrd ug/L (85795)
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o- Xylene, water, unfltrd ug/L (77135)
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Toluene water unfltrd ug/L (34010)
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< -- Actual value is known to be less than the value shown.
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