10346000  TRUCKEE RIVER AT FARAD, CA

LOCATION.--Lat 39°25'41", long 120°01'59", in SE 1/4 NE 1/4 sec.12, T.18 N., R.17 E., Nevada County, Hydrologic
   Unit 16050102, on left bank 0.5 mi upstream from Mystic Canyon, 0.7 mi downstream from Farad Powerplant,
   2.5 mi north of Floriston, and 3.5 mi upstream from California-Nevada State line.

DRAINAGE AREA.--932 mi2.

                                             WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--March to October 1890 (monthly discharge only), September 1899 to current year.  Monthly
   discharge only for January 1944 to July 1957, published in WSP 1734.  Published as "near Boca," March to
   October 1890, "at or near Nevada-California State Line," September 1899 to August 1912, and as "at Iceland,"
   August 1912 to December 1937.

REVISED RECORDS.--WSP 1714:  Drainage area.  WDR CA-88-3:  1906-07 (monthly runoff).

GAGE.--Water-stage recorder.  Datum of gage is 5,153.21 ft above sea level (U.S. Bureau of Reclamation
   benchmark).  See WSP 2127 for history of changes prior to Aug. 26, 1957.

REMARKS.--Records good.  Flow regulated by Lake Tahoe and Donner, Martis Creek, and Independence Lakes, and
   Prosser Creek, Stampede, and Boca Reservoirs (stations 10337000, 10338400, 10339380, 10342900, 10340300,
   10344300, and 10344490), and by several powerplants.  See schematic diagram of Truckee River basin.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 17,500 ft3/s, Nov. 21, 1950, gage height, 14.5 ft, present
   datum, from floodmarks, from slope-area measurement of peak flow; minimum, 28 ft3/s, Dec. 18, 1930.


                  DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
                                               DAILY MEAN VALUES

DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

  1       479      313      225      324      277      788     1960     2650     2300     1220      558      569
  2       458      310      208      289      271      781     2170     2780     2370     1180      544      581
  3       436      306      263      291      278      798     2130     2770     2390     1120      541      602
  4       419      304      333      284      638      976     2090     2680     2300     1240      548      601
  5       410      303      376      280     1850      999     2090     2600     2350     1250      553      601

  6       415      312      325      282     1390      898     2150     2510     2320     1420      547      601
  7       415      301      326      275     1340      788     2220     2450     2340     1490      535      599
  8       408      278      337      271     1670      803     2350     2420     2440     1460      534      599
  9       404      252      334      270     1750      839     2480     2360     2450     1400      536      613
 10       402      247      330      274     1500      859     2130     2400     2230     1290      541      625

 11       399      240      373      335     1470     1020     1770     2000     1960     1160      541      600
 12       397      235     1810      360     1270     1130     1610     2100     2020      953      546      603
 13       418      231      962      391     1090     1110     1520     2230     2040     1060      559      618
 14       402      227      674      382     1110     1090     1520     2480     1970     1000      551      617
 15       397      220      496      390     1110     1270     1560     2910     1920      912      548      620

 16       392      219      450      453     1210     1480     1810     4880     1860      806      554      627
 17       388      216      416      518     1460     1540     1660     5610     1780      772      551      606
 18       379      215      362      401     1520     1780     1630     6260     1720      683      550      600
 19       385      213      281      390     1830     2040     1800     5490     1650      644      553      590
 20       385      213      262      360     2340     2270     1750     5200     1710      601      557      579

 21       386      212      243      354     2560     2470     1680     4640     1570      562      556      576
 22       387      215      232      335     2210     2530     1650     4710     1540      528      556      575
 23       383      215      206      292     1710     2460     1600     4080     1530      502      557      591
 24       391      216      190      302     1070     2380     1710     3820     1480      484      562      609
 25       397      217      187      279     1020     2020     2050     4040     1350      485      559      605

 26       397      242      186      302      958     1690     2350     3910     1290      529      561      602
 27       402      214      182      324      875     1610     2600     3480     1420      620      574      602
 28       406      235      191      298      849     1930     2530     3340     1520      667      578      601
 29       400      234      208      299      818     1900     2460     3000     1680      723      576      601
 30       397      235      261      292      ---     1820     2540     2730     1550      662      573      597
 31       381      ---      407      290      ---     1830      ---     2270      ---      601      570      ---

TOTAL   12515     7390    11636    10187    37444    45899    59570   104800    57050    28024    17169    18010
MEAN      404      246      375      329     1291     1481     1986     3381     1902      904      554      600
MAX       479      313     1810      518     2560     2530     2600     6260     2450     1490      578      627
MIN       379      212      182      270      271      781     1520     2000     1290      484      534      569
AC-FT   24820    14660    23080    20210    74270    91040   118200   207900   113200    55590    34050    35720



                                 10346000  TRUCKEE RIVER AT FARAD, CA--Continued

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1909 - 1996, BY WATER YEAR (WY)

          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

MEAN      381      421      520      543      628      777     1269     1725     1257      651      508      461
MAX       982     2469     3596     3053     2394     4073     3887     5674     5214     2921     1084     1482
(WY)     1972     1984     1984     1984     1986     1986     1952     1952     1983     1983     1975     1983
MIN      51.0     55.6     80.4     77.7     85.3      142      369      349      142     53.9     53.9     47.3
(WY)     1978     1991     1991     1991     1933     1933     1977     1934     1931     1931     1931     1933

SUMMARY STATISTICS           FOR 1995 CALENDAR YEAR        FOR 1996 WATER YEAR           WATER YEARS 1909 - 1996

ANNUAL TOTAL                      340334                     409694
ANNUAL MEAN                          932                       1119                        754
HIGHEST ANNUAL MEAN                                                                       2443              1983
LOWEST ANNUAL MEAN                                                                         184              1931
HIGHEST DAILY MEAN                  3880     May  1            6260     May 18           13400       Dec 23 1955
LOWEST DAILY MEAN                     83     Jan  4             182     Dec 27              37       Sep 15 1933
ANNUAL SEVEN-DAY MINIMUM              93     Jan  1             193     Dec 23              40       Sep  9 1933
INSTANTANEOUS PEAK FLOW                                        6840     May 18           17500       Nov 21 1950
INSTANTANEOUS PEAK STAGE                                          8.93  May 18              14.50    Nov 21 1950
ANNUAL RUNOFF (AC-FT)             675100                     812600                     546500
10 PERCENT EXCEEDS                  2070                       2410                       1670
50 PERCENT EXCEEDS                   604                        604                        504
90 PERCENT EXCEEDS                   238                        268                        193

                                 10346000  TRUCKEE RIVER AT FARAD, CA--Continued

                                              WATER-QUALITY RECORDS

PERIOD OF RECORD.--
  CHEMICAL DATA:  Water years 1951-61, 1964-81.  Published as Truckee River at Floriston (station 10345900)
   January 1964 to September 1971.
  BIOLOGICAL DATA:  Water years 1975-77.
  SPECIFIC CONDUCTANCE:  Water years 1964-80, July 1993 to current year.
  WATER TEMPERATURE:  Water years 1964-81, July 1993 to current year.
  SUSPENDED SEDIMENT:  Water years 1974, 1978.

PERIOD OF DAILY RECORD.--
  SPECIFIC CONDUCTANCE:  January 1964 to September 1980, July 1993 to current year.
  WATER TEMPERATURE:  January 1964 to September 1981, July 1993 to current year.

INSTRUMENTATION.--Water-quality monitor since July 1993.

REMARKS.--Water temperature and specific conductance are affected by upstream reservoirs and several powerplants.
	
EXTREMES FOR PERIOD OF DAILY RECORD.--
  SPECIFIC CONDUCTANCE:  Maximum daily recorded, 377 micromhos, Dec. 27, 1979; minimum daily recorded,
   39 micromhos, Dec. 23, 1964.
  WATER TEMPERATURE:  Maximum recorded, 23.0°C, Aug. 5, 1994; minimum recorded, -0.5°C, Nov. 25, 1993.

EXTREMES FOR CURRENT YEAR.--
  SPECIFIC CONDUCTANCE:  Maximum recorded, 136 microsiemens, Dec. 25; minimum recorded, 49 microsiemens, May 16.
  WATER TEMPERATURE:  Maximum recorded, 20.5°C, July 25; minimum recorded, 0.0°C, several days.


          SPECIFIC CONDUCTANCE, US/CM @ 25 DEGREES CELSIUS, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996

 DAY      MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN

            OCTOBER           NOVEMBER          DECEMBER          JANUARY           FEBRUARY           MARCH

   1       91      89       103      94       126     117       106      90       128     122        92      90
   2       91      89       103     102       128     126       111     106       129     127        93      91
   3       93      90       103     102       128     116       111     109       130     128       100      92
   4       94      92       104     102       116     113       113     110       133      83       108      90
   5       95      93       104     102       113     107       113     109        83      71        93      87

   6       95      94       105     102       116     111       111     110        87      80        96      87
   7       95      94       104     103       116     111       112     110        88      83        96      94
   8       96      94       112     103       112     111       116     110        88      77        98      93
   9       97      94       113     111       112     111       112     111        80      76        97      93
  10       97      95       114     112       112     111       113     111        81      79        96      93

  11       97      95       116     112       112     107       112     102        81      79        99      89
  12       96      95       117     114       107      56       104      95        87      79        93      87
  13      101      90       115     113        82      64        96      95        87      85        91      86
  14       91      90       117     114        93      81        96      95        86      83        94      86
  15       91      90       116     114        94      91        98      95        84      83        94      89

  16       92      90       116     115        93      92       105      95        84      81        90      89
  17       92      91       117     115        95      92       105      91        82      77        90      89
  18       95      91       117     115       112      94       116     102        80      76        89      83
  19       92      87       116     115       114     112       110     105        88      78        84      82
  20       90      89       117     115       118     114       109     107        84      72        82      79

  21       89      87       117     115       121     118       108     104        76      70        79      77
  22       89      88       117     115       128     119       115      83        75      71        80      77
  23       89      88       117     115       130     127       117     101        92      73        80      77
  24       90      88       117     116       134      99       116     110        92      87        80      78
  25       89      88       117     115       136     106       121     110        92      87        84      79

  26       89      88       127     115       135     120       119      99        91      87        88      83
  27       90      86       133     120       135     130       121     110        91      89        89      86
  28      100      90       120     118       134     123       127      79        92      90        90      82
  29       93      92       122     118       128     122       121     119        91      90        84      81
  30       93      92       120     117       125     110       120     118       ---     ---        84      83
  31       94      92       ---     ---       110      85       123     119       ---     ---        84      83

 MONTH    101      86       133      94       136      56       127      79       133      70       108      77



                                 10346000  TRUCKEE RIVER AT FARAD, CA--Continued

          SPECIFIC CONDUCTANCE, US/CM @ 25 DEGREES CELSIUS, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996

 DAY      MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN

             APRIL              MAY               JUNE              JULY             AUGUST          SEPTEMBER

   1       85      82        81      77        71      68        92      87        93      90        88      87
   2       83      80        80      75        70      65        90      81        93      91        88      86
   3       80      79        79      76        69      63        81      75        92      91        86      85
   4       80      79        80      77        66      63        78      74        93      91        86      85
   5       80      79        81      78        67      62        77      75        93      90        86      85

   6       80      79        81      77        69      63        77      67        92      90        86      85
   7       79      78        82      79        68      63        68      67        92      91        86      85
   8       79      76        82      78        70      62        68      67        93      91        87      85
   9       77      75        82      80        71      66        68      66        92      91        89      85
  10       80      74        82      78        70      67        70      65        92      90        90      87

  11       83      79        80      75        69      65        78      70        92      91        97      88
  12       84      81        76      71        69      66        77      70        92      91        94      89
  13       85      83        74      69        70      64        77      71        92      90        90      89
  14       85      84        70      67        69      65        77      75        92      90        90      89
  15       85      82        69      61        70      66        80      76        92      90        90      88

  16       86      81        65      49        70      66        82      79        90      89        91      88
  17       86      81        67      61        72      68        82      79        91      89        91      90
  18       89      84        68      59        72      68        85      82        91      89        91      90
  19       88      86        71      68        73      68        86      83        91      88        91      90
  20       91      87        72      69        69      66        89      85        89      88        92      90

  21       90      89        74      69        69      67        91      88        89      88        92      91
  22       90      89        74      72        69      67        93      90        90      88       105      91
  23       93      89        74      70        69      67        94      92        90      89       105      91
  24       91      85        74      69        69      66        96      93        90      88       101      93
  25       87      83        70      69        70      66        96      95        90      88       101      90

  26       85      80        73      69        84      68        95      85        90      88       101      92
  27       82      78        72      70        91      84        88      84        89      87       102      92
  28       82      79        72      69        91      87        86      81        88      87       103      91
  29       83      81        70      68        93      90        83      81        88      87       103      91
  30       82      79        73      68        94      89        88      83        88      87       103      91
  31      ---     ---        74      68       ---     ---        91      87        88      87       ---     ---

 MONTH     93      74        82      49        94      62        96      65        93      87       105      85





                                 10346000  TRUCKEE RIVER AT FARAD, CA--Continued

                WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996

DAY      MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN       MAX     MIN

           OCTOBER           NOVEMBER          DECEMBER          JANUARY           FEBRUARY           MARCH

  1     15.0    11.0      11.0     8.5       8.0     6.0       3.5     2.0       5.0     2.5       5.0     2.0
  2     15.5    11.0       9.5     7.5       8.0     5.5       3.5     2.0       4.0     2.0       5.5     2.5
  3     15.5    11.0       8.5     6.0       6.0     4.5       4.0     2.5       4.0     2.5       5.0     3.0
  4     14.0    10.5       8.5     5.0       8.5     6.0       4.0     2.5       4.5     1.5       4.5     1.5
  5     13.5     9.5       9.0     6.0       8.5     8.0       5.0     3.0       3.0     1.5       3.5     1.5
  6     13.5    10.0       9.0     6.0       8.5     7.0       5.0     3.0       4.0     2.5       4.0     1.0
  7     14.5    11.0       9.5     6.5       8.5     7.0       4.5     2.0       4.5     2.5       5.0     2.5
  8     14.0    10.0       9.5     7.0       7.0     5.5       4.5     2.0       4.5     2.5       5.5     2.5
  9     14.0    10.0       9.0     8.0       7.0     5.5       5.0     2.5       4.5     2.5       5.5     3.5
 10     14.5    10.0       9.0     6.0       6.5     5.0       5.0     4.0       5.0     3.5       5.5     3.5

 11     14.0    11.0       9.0     5.5       7.0     6.5       4.5     2.5       5.0     3.0       5.0     3.5
 12     13.5    10.5       9.5     6.5       7.0     4.0       4.5     2.0       5.0     3.0       4.0     3.5
 13     12.5    10.0       9.5     6.5       5.0     3.5       4.5     2.5       5.0     3.0       4.5     3.0
 14     13.0     9.0       9.5     6.0       5.0     4.0       4.5     2.0       5.0     3.0       6.5     3.0
 15     13.5    10.0       9.0     6.0       4.0     3.0       4.5     4.0       5.5     3.0       6.5     3.0
 16     13.5    10.0      10.0     8.0       4.0     3.0       4.5     4.0       6.0     4.5       7.0     4.0
 17     13.5     9.5       9.0     6.0       3.0     1.5       4.0     2.0       5.5     4.0       7.5     4.0
 18     13.5    10.0       9.5     7.0       4.0     2.5       2.5     2.0       5.5     3.5       7.0     4.5
 19     13.0    10.0       8.5     5.5       3.5     1.5       2.5     1.5       4.5     3.0       7.5     4.5
 20     13.0     9.5       8.0     5.5       2.5     1.0       2.5     1.0       4.0     2.5       7.0     4.5

 21     13.0    10.0       8.0     6.0       2.0      .5       1.5      .0       3.5     2.5       7.0     4.5
 22     11.0     8.5       7.0     4.5       1.5     1.0       2.0      .0       4.0     2.5       6.0     4.0
 23     11.0     8.0       7.0     4.5       2.0     1.0       1.0      .0       4.5     2.0       5.5     3.5
 24     11.0     7.5       7.5     5.0       1.0      .0       2.0      .0       3.5     2.0       6.5     4.0
 25     11.0     7.5       7.5     4.0        .5      .0       2.0      .0       3.0     1.5       6.0     4.0
 26     12.0     8.5       7.5     4.5       1.0      .0       1.5      .0       3.0     1.0       6.5     3.5
 27     12.0     9.0       5.0     3.0       3.0      .5       2.0      .0       3.0     1.5       7.5     4.5
 28     11.5     9.5       6.5     4.0       3.0     2.0       2.0      .0       4.5     1.5       6.0     4.5
 29     12.0     9.0       7.0     4.5       4.5     3.0       3.0      .5       4.5     2.0       6.5     3.5
 30     11.5     9.0       7.5     4.5       6.0     4.5       3.5     2.0       ---     ---       7.5     4.5
 31     11.5     9.5       ---     ---       6.0     3.5       3.5     3.0       ---     ---       7.5     4.5

MONTH   15.5     7.5      11.0     3.0       8.5      .0       5.0      .0       6.0     1.0       7.5     1.0


            APRIL              MAY               JUNE              JULY             AUGUST          SEPTEMBER

  1      7.0     5.0      11.0     7.0      12.5     9.0      18.5    14.0      19.0    14.5      17.5    13.0
  2      7.5     4.5      10.0     7.0      13.0     9.0      18.0    14.0      18.5    13.5      17.5    13.0
  3      7.5     5.0      10.0     6.5      13.0     9.0      17.0    13.5      18.0    13.5      17.5    13.0
  4      8.0     5.0       9.5     5.5      13.0     9.0      16.5    13.0      18.5    13.5      17.0    13.5
  5      8.0     5.0      10.0     6.5      13.0     9.0      16.5    12.0      18.5    13.5      16.0    11.5
  6      8.5     5.5      10.0     6.0      13.5     9.5      16.0    13.0      17.5    13.5      16.5    12.0
  7      9.0     5.5      10.5     7.0      13.5    10.0      16.5    13.0      18.5    13.5      17.0    12.5
  8      9.0     6.0       9.5     6.0      13.5    10.0      16.5    13.0      19.0    13.5      17.5    12.5
  9      8.5     6.0      10.5     6.0      13.5    10.0      17.0    13.5      19.5    14.5      17.5    13.5
 10      8.0     5.5      11.0     6.5      13.0     9.5      16.5    12.5      19.0    14.5      18.0    13.5

 11      8.0     5.0      11.5     7.0      13.5     9.5      18.5    14.0      19.0    15.5      17.5    13.5
 12      7.5     5.0      11.5     7.5      13.5    10.5      17.0    14.5      18.5    15.5      17.5    13.5
 13      8.5     4.5      11.5     7.5      14.0    10.5      17.5    14.5      17.5    15.0      15.5    13.5
 14      9.0     5.5      10.5     8.0      14.0    10.0      17.5    14.5      19.0    15.5      16.5    13.0
 15      9.0     6.5       8.5     7.0      14.0    10.5      18.5    14.5      19.5    15.0      15.0    13.5
 16      8.0     6.0       8.0     5.5      14.5    10.5      18.0    13.5      19.0    14.5      15.5    12.5
 17      8.0     4.5       7.5     7.0      14.5    11.0      17.5    13.5      18.5    14.0      15.5    12.0
 18      7.5     4.5       8.5     6.5      14.0    10.5      17.5    13.0      17.5    13.5      15.5    12.0
 19      7.0     5.0      10.0     7.0      14.5    11.0      17.5    12.0      17.5    13.5      16.0    12.5
 20      7.0     4.5      11.0     8.0      15.0    11.5      18.5    13.0      17.5    13.0      16.5    12.5

 21      8.5     5.0      10.5     8.5      14.5    11.5      19.5    13.5      17.5    13.0      17.0    13.5
 22      8.5     6.0      10.0     8.0      15.0    11.0      20.0    14.5      18.0    13.5      17.0    13.5
 23     10.0     6.5       9.5     7.0      15.0    11.5      19.5    15.5      18.5    14.0      16.5    13.0
 24      9.5     7.0      10.5     7.5      13.5    11.5      19.5    15.5      18.0    15.0      16.5    13.0
 25     10.0     5.5      11.0     8.0      12.0    11.0      20.5    15.0      19.0    15.0      16.0    13.0
 26     10.0     6.0      11.5     8.5      12.0    10.5      19.5    15.0      18.5    14.5      16.0    13.0
 27      9.5     6.0      10.5     8.5      13.5    10.5      19.5    15.0      17.5    13.5      16.0    12.5
 28      9.5     5.5      11.0     8.0      16.0    11.5      17.5    16.0      18.0    13.0      16.5    12.5
 29     11.0     6.0      11.5     8.5      17.5    13.0      18.5    14.0      18.5    14.0      16.5    13.0
 30     11.0     7.0      11.5     8.0      18.5    14.0      19.0    14.5      18.5    14.0      17.0    14.0
 31      ---     ---      11.5     8.5       ---     ---      20.0    14.5      18.0    13.5       ---     ---

MONTH   11.0     4.5      11.5     5.5      18.5     9.0      20.5    12.0      19.5    13.0      18.0    11.5