WRIR 00-4001
Surface- and Ground Water Characteristics in the Upper Truckee River and Trout Creek Watersheds

Table 6. Water-quality data for selected streamflow sites in Upper Truckee River and Trout Creek watersheds, California, July - December 1996

[Abbreviations: ft3/s, cubic feet per second; mg/L, milligrams per liter; µS/cm, microsiemens per centimeter at 25 degrees Celsius; oC, degrees Celsius; USFS, U.S. Forest Service. Symbol: --, not determined]

Date

Time

Discharge,
instantaneous
(ft3/s)

Specific
conductance
(µS/cm)

pH
field
(standard
units)

Air
temper-
ature
( °C)

Water
temper-
ature
( °C)

Oxygen,
dissolved
(mg/L)

Nitrogen,
NO2+NO3
dissolved
(mg/L as N)

Nitrogen,
ammonia
dissolved
(mg/L as N)

Nitrogen,
ammonia +
organic,
total
(mg/L as N)

Phosphorus
total
(mg/L as P)

Phosphorus,
ortho,
dissolved
(mg/L as P)

Iron,
bio-
reactive
total
(µg/L as Fe)

Upper Truckee River watershed

Site No. 6 - Upper Truckee River at South Lake Tahoe

07-03-96

1110

 130 35 -- 23.5 13.5 -- 0.008 0.001 0.11 0.028 0.006 318

07-19-96

1320

 57 51 7.8 20.0 16.0 8.4 .003 <.001 .07 .038 .006 228

08-16-96

1030

 24 77 -- 23.0 17.0 -- .003 <.001 .05 .019 .004 53

09-06-96

1115

 11 96 7.8 14.0 12.0 9.4 .008 <.001 .13 .028 .003 352

09-23-96

1147

 11 96 -- -- 13.5 -- -- -- -- -- -- --

 

 

                        

10-01-96

1030

 10 100 7.7 14.0 11.5 8.8 .011 .004 .15 .023 .003 215

11-05-96

1240

 12 90 -- 5.0 3.0 -- .009 .001 .33 .017 .006 372

11-18-96

1530

 627 27 -- 7.5 4.5 -- .020 .005 .27 .105 .015 1,630

11-19-96

1335

 200 25 -- 2.5 4.5 -- .018 .002 .28 .067 .006 1,030

12-05-96

1315

 770 39 -- 1.5 1.0 -- .011 .010 .08 .144 .032 919

 

 

                        

12-09-96

1430

 70 57 -- 3.0 3.0 -- .017 .002 .19 .020 .007 278

12-12-96

1400

 700 43 -- 4.5 2.5 -- .010 .013 .20 .074 .016 737

12-13-96

1300

 200 40 -- 6.5 3.5 -- .006 .008 .17 .047 .009 767

12-31-96

1545

 200 40 -- 7.0 1.5 -- .012 .003 .34 .078 .010 231

Site No. 17 - Upper Truckee River at Hwy 50 abv Meyers

07-03-96

1310

 118 34 -- 24.0 13.0 -- .008 .001 .12 .021 .006 186

07-19-96

1400

 45 47 7.6 23.0 14.0 8.3 .007 <.001 .14 .037 .007 198

07-31-96

0915

 29 43 -- 19.0 13.0 -- -- -- -- -- -- --

08-16-96

1230

 19 71 -- 24.0 15.0 -- .010 <.001 .06 .019 .007 45

09-06-96

1300

 9.7 87 7.8 22.5 12.5 9.4 .002 <.001 .07 .033 .016 182

 

 

                        

09-23-96

1030

 8.5 91 -- 14.5 9.5 -- -- -- -- -- -- --

10-02-96

1630

 7.1 101 -- 16.0 12.5 -- .010 .003 .51 .016 .004 430

11-05-96

1350

 8.8 82 -- 5.0 3.5 -- .012 .001 .16 .014 .005 206

11-18-96

1610

 445 22 -- 6.0 4.5 -- .016 .001 .15 .031 .005 484

11-19-96

1605

 277 21 -- 3.0 4.0 -- .012 <.001 .09 .016 .003 859

12-12-96

1515

 290 41 -- 2.0 2.0 -- .007 .005 .07 .032 .008 1,180

Site No. 43 - Upper Truckee River at S. Upper Truckee Rd

07-03-96

1440

 73 23 -- 23.0 12.0 -- 0.004 0.002 0.04 0.022 0.009 115

07-19-96

1520

 30 31 7.6 22.5 12.0 8.6 .006 .003 .06 .043 .014 167

07-31-96

1200

 13 37 -- 24.0 13.0 -- -- -- -- -- -- --

08-16-96

1305

 12 41 -- 26.0 13.0 -- .015 .007 .08 .030 .018 139

09-06-96

1410

 3.7 49 7.8 23.0 10.0 9.5 .021 <.001 .06 .056 .034 180

 

 

                        

09-23-96

0930

 3.1 51 -- 10.0 6.0 -- -- -- -- -- -- --

10-02-96

1710

 3.0 52 -- 14.0 9.5 -- .036 .013 .42 .032 .026 438

11-05-96

1430

 2.7 49 -- 4.5 1.5 -- .002 .001 .17 .021 .021 187

11-18-96

1700

 102 18 -- 3.5 2.0 -- .012 .002 .22 .032 .007 170

11-19-96

1705

 67 24 -- 4.0 3.0 -- .008 <.001 .09 .026 .008 221

 

 

                        

12-05-96

1550

 103 18 -- .5 1.0 -- .003 <.001 .23 .021 .007 246

12-12-96

1600

 109 17 -- 1.0 1.0 -- .003 .002 .28 .016 .006 135

Trout Creek watershed

Site No. 49 - Trout Creek at South Lake Tahoe

07-02-96

1040

 87 33 -- 20.5 10.0 -- .006 .002 .17 .038 .009 657

07-19-96

1235

 66 35 7.3 18.0 10.0 -- .007 .001 .25 .062 .009 689

08-16-96

0950

 34 44 -- 19.0 12.0 -- .010 <.001 .12 .030 .009 397

09-06-96

1030

 25 46 7.6 13.0 7.0 9.8 .003 <.001 .26 .030 .012 137

09-26-96

1010

 23 50 -- 14.0 7.0 -- -- -- -- -- -- --

 

 

                        

10-02-96

1840

 20 50 -- 14.0 10.5 -- .004 .002 .24 .023 .009 273

11-05-96

1200

 22 52 -- 5.0 3.0 -- .007 .002 .22 .019 .009 283

11-18-96

1410

 70 41 -- 8.0 4.5 -- .017 .003 .37 .133 .018 2,650

12-05-96

1120

 150 40 -- 3.0 0.5 -- .014 <.001 .24 .241 .020 1,680

12-09-96

1340

 40 50 -- 2.5 2.0 -- .006 .002 .17 .027 .012 600

 

 

                        

12-12-96

1210

 40 46 -- 4.5 2.5 -- .011 .002 .31 .109 .016 357

12-31-96

1415

 100 48 -- 6.5 2.0 -- .010 <.001 .28 .067 .011 440

Site No. 57 - Trout Creek at Pioneer Trail

07-02-96

1205

 41 34 -- 23.0 10.5 -- 0.004 0.002 0.10 0.032 0.009 362

07-19-96

1555

 20 40 6.6 21.5 13.0 8.3 .004 .001 .15 .040 .009 442

07-29-96

0935

 24 54 -- 19.0 11.0 -- -- -- -- -- -- --

08-16-96

1500

 18 49 -- 23.0 14.5 -- .005 <.001 .12 .028 .010 146

09-06-96

1615

 14 51 7.7 20.0 11.5 8.7 .005 .001 .40 .026 .011 202

 

 

                        

09-26-96

1547

 11 54 -- 14.5 10.5 -- -- -- -- -- -- --

10-02-96

1420

 11 55 -- 20.0 10.0 -- .004 .003 .31 .020 .007 313

11-05-96

1510

 12 53 -- 3.0 2.0 -- .004 .001 .19 .016 .006 197

11-18-96

1640

 36 43 -- 5.5 4.0 -- .015 .002 .25 .074 .014 1,060

12-05-96

1520

 72 38 -- 1.0 1.0 -- .010 .001 .18 .087 .016 758

12-12-96

1530

 79 41 -- 2.0 2.5 -- .009 .001 .32 .071 .018 629

Site No. 68 - Trout Creek at USFS Rd 12N01

07-02-96

1300

 22 31 -- 25.0 10.0 -- .003 .001 .16 .025 .009 130

07-19-96

1440

 14 37 7.1 18.5 10.0 8.7 .004 .001 .06 .039 .009 144

07-29-96

1300

 12 46 -- 23.0 11.0 -- -- -- -- -- -- --

08-16-96

1430

 10 47 -- 23.0 10.5 -- .003 .001 .07 .021 .009 65

09-06-96

1530

 8.4 49 7.7 18.5 7.5 9.3 .006 <.001 .35 .027 .011 125

 

 

                        

09-26-96

1014

 6.1 53 -- 9.5 5.0 -- -- -- -- -- -- --

10-02-96

1455

 5.5 52 -- 16.5 7.0 -- .004 .003 .25 .018 .009 137

11-04-96

1145

 7.2 50 -- 4.5 2.0 -- .002 .002 .13 .016 .009 127

11-21-96

1455

 10 46 -- 6.5 4.5 -- .003 <.001 .27 .018 .009 79

12-13-96

1040

 8.0 46 -- 3.0 2.5 -- .003 .001 .07 .022 .010 194

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