10336790  TROUT CREEK AT SOUTH LAKE TAHOE, CA

LOCATION.-Lat 38°55'56", long 119°58'40", in SE 1/4 NW 1/4 sec.3, T.12 N., R.18 E., El Dorado County, Hydrologic Unit 16050101, near 
  center of bridge span on downstream side of U.S. Highway 50 bridge, 1.2 mi upstream from Lake Tahoe, and 1.9 mi northeast of South Lake 
  Tahoe Post Office.
PERIOD OF RECORD.-Water years 1972-74, 1989 to current year.
PERIOD OF DAILY RECORD.-
  WATER TEMPERATURE:  October 1971 to June 1974, October 1988 to September 1992.
  SUSPENDED-SEDIMENT DISCHARGE:  October 1971 to June 1974, October 1988 to September 1992.
REMARKS.-In October 1992, station was incorporated into the expanded Lake Tahoe Interagency Monitoring Program to monitor tributary 
  contributions of nutrients and sediment to Lake Tahoe.  See schematic diagram of Truckee River Basin.  These data are reviewed and provided 
  by the Nevada District Office, U.S. Geological Survey. 

                         WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
                       DIS-              PH                        BARO-            OXYGEN,
                     CHARGE,   SPE-     WATER                      METRIC             DIS- 
                      INST.    CIFIC    WHOLE                      PRES-             SOLVED
                      CUBIC    CON-     FIELD   TEMPER-  TEMPER-    SURE   OXYGEN,   (PER- 
                       FEET    DUCT-   (STAND-   ATURE    ATURE     (MM      DIS-     CENT 
    DATE      TIME     PER     ANCE      ARD      AIR     WATER      OF     SOLVED   SATUR-
                      SECOND  (US/CM)   UNITS)  (DEG C)  (DEG C)    HG)     (MG/L)   ATION)
                     (00061)  (00095)  (00400)  (00020)  (00010)  (00025)  (00300)  (00301)

OCT     
  02...       1810     22          50     --       14.0     10.5     --       --       --  
  02...       1840     22          50     --       14.0     10.5     --       --       --  
NOV     
  05...       1200     20          52     --        5.0      3.0     --       --       --  
  18...       1410     74          41     --        8.0      4.5     --       --       --  
DEC     
  05...       1120    120          40     --        3.0      0.5     --       --       --  
  09...       1340     36          50     --        2.5      2.0     --       --       --  
  12...       1210    111          46     --        4.5      2.5     --       --       --  
  31...       1415    101          48     --        6.5      2.0     --       --       --  
JAN     
  02...       1440    526          23     --        2.0      1.0     --       --       --  
  08...       1140    157          42     --        3.5      1.0     --       --       --  
FEB     
  14...       0930     52          49      7.4      2.5      0.5      611     11.2       97
MAR     
  13...       1200     46          53     --        9.0      3.5     --       --       --  
  27...       0950     81          46     --       11.5      3.5     --       --       --  
APR     
  09...       1050     59          47      7.3      0.0      2.0      600     --       --  
MAY     
  02...       1130     87          38     --       10.5      4.5     --       --       --  
  08...       1615    105          34      7.3     14.0      9.5      605      9.2      102
  15...       1550    153          28     --       22.5     10.5     --       --       --  
  16...       0630    176          27     --        7.0      5.5     --       --       --  
  22...       1145    172          27     --       13.0      6.0     --       --       --  
  30...       0950    142          28     --       16.0      7.5     --       --       --  
JUN     
  06...       1300    130          30     --       16.5      9.0     --       --       --  
  13...       1005    110          31      7.3      6.0      6.0      598      9.5       97
  20...       1500    102          31     --       23.0     16.0     --       --       --  
  27...       1230     82          34     --       23.0     11.5     --       --       --  
JUL     
  23...       1210     49          39     --       19.0     11.0     --       --       --  
AUG     
  19...       1110     30          46     --       22.0     10.5     --       --       --  
SEP     
  16...       1130     24          49      7.8     15.0      8.0      605      9.4      100

10336790  TROUT CREEK AT SOUTH LAKE TAHOE, CA

                         WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
             NITRO-   NITRO-   NITRO-            PHOS-    IRON,             SEDI-     SED. 
              GEN,     GEN,   GEN,AM-           PHORUS    BIO.              MENT,     SUSP.
            NO2+NO3  AMMONIA  MONIA +   PHOS-    ORTHO,   REACT-   SEDI-     DIS-    SIEVE 
              DIS-     DIS-   ORGANIC  PHORUS    DIS-      IVE     MENT,   CHARGE,    DIAM.
             SOLVED   SOLVED   TOTAL    TOTAL   SOLVED    TOTAL    SUS-      SUS-   % FINER
    DATE     (MG/L    (MG/L    (MG/L    (MG/L   (MG/L    (UG/L     PENDED   PENDED    THAN 
             AS N)    AS N)    AS N)    AS P)   AS P)     AS FE)   (MG/L)  (T/DAY)  .062 MM
            (00631)  (00608)  (00625)  (00665)  (00671)  (46568)  (80154)  (80155)  (70331)

OCT     
  02...       0.004    0.002     0.24    0.023    0.009      273        3     0.16     --  
  02...       0.004    0.002     0.24    0.023    0.009      273     --       --       --  
NOV     
  05...       0.007    0.002     0.22    0.019    0.009      283        2     0.11     --  
  18...       0.017    0.003     0.37    0.133    0.018     2650       76    15        --  
DEC     
  05...       0.014   <0.001     0.24    0.241    0.020     1680      169    55          45
  09...       0.006    0.002     0.17    0.027    0.012      600       11     1.1      --  
  12...       0.011    0.002     0.31    0.109    0.016      357       56    17        --  
  31...       0.010   <0.001     0.28    0.067    0.011      440       43    12        --  
JAN     
  02...       0.010   <0.001     0.23    0.100    0.023      367       39    55        --  
  08...       0.009   <0.001     0.26    0.038    0.009      159       35    15        --  
FEB     
  14...       0.013   <0.001     0.25    0.021    0.007      219        6     0.84     --  
MAR     
  13...       0.016   <0.001     0.24    0.025    0.009      261        5     0.62     --  
  27...       0.011    0.002     0.12    0.031    0.008      669       12     2.6      --  
APR     
  09...       0.011    0.003     0.17    0.022    0.008      112       10     1.6      --  
MAY     
  02...       0.008    0.001     0.14    0.027    0.007      370        8     1.9      --  
  08...       0.008    0.001     0.12    0.034    0.007      647       19     5.4      --  
  15...       0.006    0.002     0.14    0.037    0.008      103       24     9.9      --  
  16...       0.008    0.002     0.22    0.044    0.009      526       23    11        --  
  22...       0.005   <0.001     0.14    0.049    0.007      632       16     7.4      --  
  30...       0.005   <0.001     0.10    0.035    0.007      717       16     6.1      --  
JUN     
  06...       0.032    0.001     0.15    0.032    0.005      383       14     4.9      --  
  13...       0.007   <0.001     0.10    0.051    0.008      569       12     3.6      --  
  20...       0.005   <0.001     0.07    0.056    0.009      317       10     2.8      --  
  27...       0.004   <0.001     0.18    0.024    0.009      298        9     2.0      --  
JUL     
  23...       0.008    0.001     0.09    0.041    0.010      454        9     1.2      --  
AUG     
  19...       0.012   <0.001     0.08    0.032    0.008      357        6     0.49     --  
SEP     
  16...       0.042    0.002     0.05    0.037    0.010      272        3     0.19     --