10257720 CHINO CANYON CREEK BELOW TRAMWAY, NEAR PALM SPRINGS, CA

LOCATION.-Lat 33°50'39", long 116°36'16", in NW 1/4 NE 1/4 sec.7, T.4 S., R.4 E., Riverside County, Hydrologic Unit 18100200, on left bank 0.5 mi downstream from tram building, 3.5 mi west of Highway 111 on road leading to Palm Springs aerial tramway, and 5.5 mi west of Palm Springs. 
DRAINAGE AREA.-4.71 mi2. 
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.-October 1986 to current year. 
REVISED RECORDS.-WDR CA-89-1: 1987(M). 
GAGE.-Water-stage recorder and crest-stage gage. Concrete control with low water v-notch weir since June 25, 1996.  Elevation of gage is 2,100 ft above sea level, from topographic map. 
REMARKS.-Records poor through June 22 and good thereafter.  Two small diversions 2 mi upstream, one for city of Palm Springs and one for Palm Springs aerial tramway.  See schematic diagram of Salton Sea Basin. 
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 153 ft3/s, Jan. 7, 1993, gage height, 10.18 ft, from rating curve extended above 35 ft3/s on basis of critical depth computation; maximum gage height, 10.32 ft, Feb. 14, 1998; no flow for many days in some years. 

                  DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998

                                               DAILY MEAN VALUES
 
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
  1       .62      .37      .59      .55      .83      5.4      3.5      1.3     2.2       .51      .04      .20
  2       .55      .39      .54      .56     1.2       4.6      3.9      1.2     2.1       .50      .05      .13
  3       .52      .48      .52      .61     2.0       4.3      3.8      1.1     2.4       .50      .05      .10
  4       .55      .46      .59      .59     1.6       4.2      3.7      1.7     2.4       .48      .04      .12
  5       .57      .46      .54      .62     1.3       4.0      3.9      2.3      .89      .45      .05      .13
 
  6       .60      .48     1.3       .60     2.6       3.6      4.0      3.2     1.0       .43      .06      .11
  7       .59      .53     1.8       .60     3.3       7.8      3.2      2.1      .82      .42      .05      .13
  8       .58      .49     1.9       .56     8.0       3.6      2.8      1.9      .80      .40      .10      .13
  9       .70      .48     1.4       .81     5.2       3.3      3.2      2.0      .77      .35      .21      .14
 10       .58      .49     1.3      1.7      5.6       3.3      2.7      1.9      .71      .34      .47      .17
 
 11       .60      .55     1.2       .98     5.2       3.1      2.7      2.5      .72      .32      .36      .19
 12       .59      .52     1.2       .79     4.6       2.8      2.7      4.2      .72      .28      .32      .20
 13       .57      .59     1.2       .89     3.7       2.9      2.5      3.0      .80      .23      .28      .20
 14       .54      .58     1.2       .84     6.0       3.3      2.6      2.7      .80      .00      .27      .15
 15       .53      .56     1.1       .86     5.9       2.6      2.4      2.9      .72      .02      .22      .00
 
 16       .45      .57     1.1       .86     5.1       2.5      2.7      2.7      .55      .01      .21      .00
 17       .49      .58     1.0       .77     6.1       2.5      2.4      2.7      .47      .00      .20      .00
 18       .48      .59     1.0       .75     4.9       4.3      2.4      2.5      .40      .00      .22      .00
 19       .49      .58     1.1       .79     4.6       2.5      2.2      1.4      .46      .30      .14      .00
 20       .51      .50     1.1       .73     4.5       2.1      2.3      1.5      .56      .58      .00      .00
 
 21       .52      .51     1.2       .78     4.2       2.1      2.0      1.7      .62      .52      .00      .01
 22       .51      .46     1.1       .80     4.0       2.3      1.9      2.3      .75      .46      .00      .01
 23       .50      .49     1.0       .79     4.1       2.4      2.1      2.1      .74      .47      .00      .00
 24       .51      .48     1.1       .85     7.3       2.5      2.1      2.2      .67      .26      .00      .00
 25       .54      .52     1.1       .76     7.4       2.7      2.0      2.8      .64      .00      .01      .00
 
 26       .54      .71     1.4       .75     6.7       2.4      3.3      2.5      .59      .00      .00      .00
 27       .54      .68     1.4       .73     6.3       2.2      3.5      3.0      .55      .00      .00      .00
 28       .53      .61     1.3       .71     6.1       5.0      3.5      2.8      .50      .00      .00      .00
 29       .53      .61      .73      .72      ---      2.8      2.0      3.0      .50      .01      .00      .17
 30       .48      .60      .59      .70      ---      3.1      2.3      2.9      .52      .04      .00      .33
 31       .39      ---      .59      .70      ---      3.7      ---      2.5      ---      .04      .08      ---
 
TOTAL   16.70    15.92    33.19    23.75   128.33    103.9     84.3     72.6    26.37     7.92     3.43     2.62
MEAN      .54      .53     1.07      .77     4.58     3.35     2.81     2.34      .88      .26      .11     .087
MAX       .70      .71      1.9      1.7      8.0      7.8      4.0      4.2      2.4      .58      .47      .33
MIN       .39      .37      .52      .55      .83      2.1      1.9      1.1      .40      .00      .00      .00
AC-FT      33       32       66       47      255      206      167      144       52       16      6.8      5.2


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1987 - 1998, BY WATER YEAR (WY)                                 
 
          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
MEAN      .33      .46      .56     2.09     2.98     2.38     1.48      .78      .29     .074      .11      .26
MAX      1.19     1.32     1.49     14.0     17.8     8.82     3.85     2.34      .88      .28      .65     1.38
(WY)     1994     1987     1994     1993     1993     1993     1993     1998     1998     1987     1993     1993
MIN      .000     .000     .000     .031     .096      .28      .11     .057     .000     .000     .000     .000
(WY)     1991     1991     1991     1991     1991     1989     1989     1989     1992     1989     1990     1990
 
SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1987 - 1998
 
ANNUAL TOTAL                         173.48                     519.03                                          
ANNUAL MEAN                             .48                       1.42                        .97               
HIGHEST ANNUAL MEAN                                                                          4.02           1993
LOWEST ANNUAL MEAN                                                                            .19           1989
  HIGHEST DAILY MEAN                     3.7   Sep 25               8.0   Feb  8              49       Jan 17 1993
  LOWEST DAILY MEAN                       .00  Mar 19                .00  Jul 14                .00    Jun 15 1989
  ANNUAL SEVEN-DAY MINIMUM                .00  Apr 26                .00  Aug 20                .00    Jun 15 1989
  INSTANTANEOUS PEAK FLOW                                          27     Feb 14             153       Jan  7 1993
  INSTANTANEOUS PEAK STAGE                                         10.32  Feb 14              10.32    Feb 14 1998
ANNUAL RUNOFF (AC-FT)                344                       1030                        705                  
10 PERCENT EXCEEDS                     1.1                        3.6                        2.4                
50 PERCENT EXCEEDS                      .45                        .71                        .33               
90 PERCENT EXCEEDS                      .05                        .04                        .00               
 

   
   

                  10257720 CHINO CANYON CREEK BELOW TRAMWAY, NEAR PALM SPRINGS, CA-Continued

WATER-QUALITY RECORDS
PERIOD OF RECORD.-  
  CHEMICAL DATA: Water years 1987 to current year. 

                         WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
                         DIS-              PH                        HARD-                                     
                       CHARGE,   SPE-     WATER             HARD-    NESS              MAGNE-                  
                        INST.    CIFIC    WHOLE             NESS    NONCARB  CALCIUM    SIUM,  SODIUM,         
                        CUBIC    CON-     FIELD   TEMPER-   TOTAL   DISSOLV   DIS-      DIS-    DIS-           
                         FEET    DUCT-   (STAND-   ATURE    (MG/L   FLD. AS   SOLVED   SOLVED  SOLVED          
      DATE      TIME     PER     ANCE      ARD     WATER     AS      CACO3    (MG/L    (MG/L    (MG/L    SODIUM
                        SECOND  (US/CM)   UNITS)  (DEG C)   CACO3)  (MG/L)    AS CA)   AS MG)   AS NA)  PERCENT
                       (00061)  (00095)  (00400)  (00010)  (00900)  (00904)  (00915)  (00925)  (00930)  (00932)
 
  NOV     
    17...       1425     .58      213      8.4     12.0      76        0       26       2.5      11       22   

                                BICAR-    CAR-     ALKA-                                       SOLIDS,  SOLIDS,
               SODIUM   POTAS-  BONATE   BONATE   LINITY             CHLO-    FLUO-   SILICA,  RESIDUE  SUM OF 
                 AD-     SIUM,   WATER    WATER   WAT DIS  SULFATE   RIDE,    RIDE,    DIS-    AT 180   CONSTI-
               SORP-     DIS-   DIS IT   DIS IT   TOT IT    DIS-     DIS-      DIS-    SOLVED   DEG. C  TUENTS,
                TION    SOLVED   FIELD    FIELD    FIELD    SOLVED   SOLVED   SOLVED   (MG/L     DIS-     DIS- 
      DATE     RATIO    (MG/L   MG/L AS  MG/L AS  MG/L AS   (MG/L    (MG/L    (MG/L     AS      SOLVED   SOLVED
                        AS K)    HCO3      CO3     CACO3   AS SO4)   AS CL)   AS F)    SIO2)    (MG/L)   (MG/L)
              (00931)  (00935)  (00453)  (00452)  (39086)  (00945)  (00940)  (00950)  (00955)  (70300)  (70301)
 
  NOV     
    17...       .5       5.8      122       1       102      4.6      2.5      <.1      18       138      132  

                        NITRO-   NITRO-   NITRO-   NITRO-            PHOS-                                     
              SOLIDS,    GEN,     GEN,     GEN,   GEN,AM-   PHOS-   PHORUS                               MANGA-
                DIS-   NITRITE  NO2+NO3  AMMONIA  MONIA +  PHORUS    ORTHO,  ARSENIC   BORON,   IRON,    NESE, 
               SOLVED    DIS-     DIS-     DIS-   ORGANIC    DIS-    DIS-      DIS-     DIS-     DIS-     DIS- 
               (TONS    SOLVED   SOLVED   SOLVED   DIS.     SOLVED  SOLVED    SOLVED   SOLVED   SOLVED   SOLVED
      DATE      PER     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L   (MG/L     (UG/L    (UG/L    (UG/L    (UG/L 
               AC-FT)   AS N)    AS N)    AS N)    AS N)    AS P)   AS P)     AS AS)   AS B)    AS FE)   AS MN)
              (70303)  (00613)  (00631)  (00608)  (00623)  (00666)  (00671)  (01000)  (01020)  (01046)  (01056)
 
  NOV     
    17...       .19      <.01     <.05     <.02     <.1      <.01     <.01     <1       17.9       4       <1