10256000 WHITEWATER RIVER AT WHITE WATER, CA


                         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...      1020     7.0      408      8.5     17.0      170        5       49       12       14       14   

                              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       4.9      198       4       169      32       3.4      1        16       246      236  

                      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...       .33      .03      .50      <.02     <.1      .02      .03      <1      17.9      <3        3   
LOCATION.-Lat 33°56'48", long 116°38'24", in NW 1/4 NE 1/4 sec.2, T.3 S., R.3 E., Riverside County, Hydrologic Unit 18100200, 1.5 mi north of White Water, and 3.5 mi upstream from San Gorgonio River.
DRAINAGE AREA.-57.5 mi2.
PERIOD OF RECORD.-
  CHEMICAL DATA: Water years 1967-1981,  October 1996 to current year.
  SEDIMENT DATA:  Water year 1972.
REMARKS.-Chemical-quality records for water years 1975-1981 were furnished by California Department of Water Resources.
          Water discharge records were collected during water years 1949-1981.