Youghiogheny River at Sutersville, PA

1997 Water-Year
Basic Fixed-Site Water-Quality Records
[drop]

--------
               YOUGHIOGHENY RIVER BASIN

                                 03083500  YOUGHIOGHENY RIVER AT SUTERSVILLE, PA
                                   (National water-quality assessment station)

LOCATION.--Lat 40`14'24", long 79`48'24", Allegheny County, Hydrologic Unit 05020006, on left bank 500 ft upstream
   from highway bridge at Sutersville, 2.1 mi downstream from Sewickley Creek, at mile 15.2.

DRAINAGE AREA.--1,715 mi2.

                                             WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1920 to current year.  Monthly discharge only for some periods, published in WSP 1305.

REVISED RECORDS.--WSP 743:   Drainage area.  WSP 1305:   1924, 1926 (M), 1931 (M).  WSP 1435:   1935-36.

GAGE.--Water-stage recorder.  Datum of gage is 733.36 ft above sea level.  Prior to June 1, 1939, nonrecording
   gage at site 500 ft downstream at same datum.

REMARKS.--Records good except for estimated daily discharges, which are fair.  Flow regulated since 1925 by Deep
   Creek Reservoir, since 1943 by Youghiogheny River Lake 58 mi upstream, and by several smaller reservoirs above
   station.  Several measurements of water temperature were made during the year.  U.S. Army Corps of Engineers
   satellite telemeter at station.

                   DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
                                               DAILY MEAN VALUES

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

  1      3640     3180     7510     4260     3180     2330     5380     2050     3600      810      776     1070
  2      3310     3040    14600     3930     3010     8520     4250     1960     4400      955      803     1030
  3      3120     2920    10600     3800     2720    12700     4130     1870     6460     1050     1010     1040
  4      2870     2780     7980     3760     2840    10100     3850     1960     6240      985      941     1030
  5      2660     2690     7560     3690     5630     9050     3490     2060     6250     1050      801      992

  6      2530     2640     7140     3660     7060    10300     3100     1900     5120      988      801      964
  7      2430     2630     6500     3400     4890     9190     2780     1920     3510      912      812      964
  8      1950     6670     5140     3150     4010     7880     2340     1840     2820      697      780      980
  9      1830    15400     4830     3010     3580     6680     2140     2050     2500      691      760      918
 10      2040    11200     4490     3090     3120     6260     1820     2830     2250      840      784     1070

 11      2200     7990     4040     2560     2810     6090     1630     3690     2040      902      775     1140
 12      2010     7190     7400     2120     2610     5280     1610     3480     1710      853      737     1180
 13      1800     6300     9720    e2000     2400     4750     1720     3840     1830      889      813     1110
 14      1700     4820     9610    e1900     2290     4190     1830     3910     2560      915     1100     1050
 15      1640     3990     7260    e1850    e2100     4690     1660     3780     2170      802     1050     1010

 16      1630     3640     6030    e1800    e2000     4540     1480     2840     2060      768      995      990
 17      1490     3420     5720    e1700    e1900     3830     1440     2220     2380      735     1430      977
 18      1630     3410     5180    e1650    e1800     3620     1770     2030     2270      726     4500      994
 19      3310     3150     4720    e1600    e1700     3950     2050     2680     1900      939     2960      971
 20     12600     3160     4280    e1600     7280     5080     2110     4740     1450     1180     1930      996

 21     12600     3220     3820    e1550     7040     4670     1820     6020     1270     1060     2770     1070
 22     11900     3090     3630    e1550     6390     4500     1550     5350     1280      820     2290     1070
 23      9800     2970     3720    e1500     5820     4180     1490     4670     1220      890     1660     1030
 24      7790     2850     4020    e2000     4270     3950     1460     3150     1060      901     1430      981
 25      6650     2800     4700    e2300     3350     2910     1430     8800      899      872     1200      959

 26      4670     2930     4320    e2100     2880     7850     1490    25000      895      912      955      950
 27      3930     4610     3540    e2000     2680     9000     1590    12100     1080     1020      883      935
 28      3740     3760     3520    e3500     2500     6850     1720     9260     1150      938     1080      933
 29      3930     3800     4000     6230      ---     6030     2140     7940     1390      891     1270     2570
 30      3680     3740     5690     4460      ---     5720     2210     5810     1150      850     1190     3060
 31      3400      ---     4890     3550      ---     5510      ---     3810      ---      814     1120      ---

TOTAL  128480   133990   186160    85270   101860   190200    67480   145560    74914    27655    40406    34034
MEAN     4145     4466     6005     2751     3638     6135     2249     4695     2497      892     1303     1134
MAX     12600    15400    14600     6230     7280    12700     5380    25000     6460     1180     4500     3060
MIN      1490     2630     3520     1500     1700     2330     1430     1840      895      691      737      918
>        -576     -417      -67     -185     +721     +797     +8.4      +75      -47     -483     -309     -658

   >  Change in contents, equivalent in cubic feet per second, in Deep Creek Reservoir and Youghiogheny River
         Lake.  Records of contents in Deep Creek Reservoir furnished by Pennsylvania Electric Co.  Records of
         contents in Youghiogheny River Lake furnished by U.S. Army Corps of Engineers.
   e  Estimated.
                                             YOUGHIOGHENY RIVER BASIN

                            03083500  YOUGHIOGHENY RIVER AT SUTERSVILLE, PA--Continued

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 1997 BY WATER YEAR (WY)  (SINCE REGULATION)

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

MEAN     1540     2119     3695     4003     4582     5966     4894     3698     2260     1585     1450     1369
MAX      7006     5818     9373     8488     9630    13720    10230     8012     7318     4853     5707     6382
(WY)     1955     1922     1973     1974     1939     1936     1940     1996     1941     1985     1956     1971
MIN       107      209      596      611      716     1539     1637     1012      585      614      309      185
(WY)     1924     1923     1954     1925     1934     1990     1921     1982     1925     1942     1922     1922

SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1921 - 1997

ANNUAL TOTAL                     1947810                    1216009
ANNUAL MEAN                         5322  >+9.1                3332  >-100                3090
HIGHEST ANNUAL MEAN                                                                       4537              1996
LOWEST ANNUAL MEAN                                                                        1496              1925
HIGHEST DAILY MEAN                 53000     Jan 20           25000     May 26           79000       Mar 18 1936
LOWEST DAILY MEAN                   1060     Jul 12             691     Jul  9              57       Sep 30 1922
ANNUAL SEVEN-DAY MINIMUM            1230     Jul  9             778     Aug  6              64       Sep 24 1922
INSTANTANEOUS PEAK FLOW                                       29500     May 26          108000       Oct 16 1954
INSTANTANEOUS PEAK STAGE                                         15.29  May 26             a32.50    Oct 16 1954
INSTANTANEOUS LOW FLOW                                          682     Jul  8,9           b57       Sep 29 1922
10 PERCENT EXCEEDS                  9650                       6930                       6850
50 PERCENT EXCEEDS                  4030                       2570                       1940
90 PERCENT EXCEEDS                  1640                        927                        692

   >  Change in contents, equivalent in cubic feet per second, in Deep Creek Reservoir and Youghiogheny River
         Lake.  Records of contents in Deep Creek Reservoir furnished by Pennsylvania Electric Co.  Records of
         contents in Youghiogheny River Lake furnished by U.S. Army Corps of Engineers.
   a  From floodmark.
   b  Minimum observed.

                                             MONONGAHELA RIVER BASIN

                            03083500  YOUGHIOGHENY RIVER AT SUTERSVILLE, PA--Continued
                                   (National Water-Quality Assessment station)

                                              WATER-QUALITY RECORDS

PERIOD OF RECORD.--October 1947 to September 1950, October 1958 to September 1959, October 1968 to September 1972,
   November 1975 to September 1981, April 1996 to current year.

PERIOD OF DAILY RECORD.--
  WATER TEMPERATURE:  October 1996 to June 1997.

INSTRUMENTATION.--Daily record measured and collected at hourly intervals with an in-situ probe and electronic
     data logger.

REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey except for those  
     furnished by the Pennsylvania Department of Environmental Resources as noted.  Interruptions in the daily  
     record were do to malfunctions of the equipment.  Additional sites in the (NAWQA) fixed-station network are  
     shown in figure 6 on page 28.  An explanation of selected abbreviations used in the water-quality tables are
     given on pages 29-31.


                          WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997

                            DIS-              PH               BARO-
                          CHARGE,   SPE-     WATER             METRIC            HARD-             MAGNE-
                           INST.    CIFIC    WHOLE             PRES-             NESS    CALCIUM    SIUM,  SODIUM,
                           CUBIC    CON-     FIELD   TEMPER-    SURE   OXYGEN,   TOTAL    DIS-      DIS-    DIS-
                            FEET    DUCT-   (STAND-   ATURE     (MM      DIS-    (MG/L    SOLVED   SOLVED  SOLVED
         DATE      TIME     PER     ANCE      ARD     WATER      OF     SOLVED    AS      (MG/L    (MG/L    (MG/L
                           SECOND  (µS/CM)   UNITS)  (DEG C)    HG)     (MG/L)   CACO3)   AS CA)   AS MG)   AS NA)
                          (00061)  (00095)  (00400)  (00010)  (00025)  (00300)  (00900)  (00915)  (00925)  (00930)

     OCT
       28...       1015     3700     209      7.4     14.0      739      9.7       65       18      4.9      9.9
     NOV
       07...       0930     2630     240      7.4     11.0      738      9.6       76       21      5.7     13
     DEC
       17...       0945     5780     180      7.2      5.0      728     13.1       58       16      4.5      8.4
     JAN
       28...       1115     4970     500      7.2      0.0      746     13.6      100       29      7.5     46
     FEB
       10...       1000     3140     282      7.2      2.0      745     13.8       77       21      5.9     20
     MAR
       20...       1100     5160     211      7.0      6.0      735     13.0       68       18      5.5     11
     APR
       09...       1030     2150     275      7.3      8.5      744     10.6       85       23      6.8     15
     MAY
       23...       1000     4740     176      7.4     11.5      743     10.8       52       15      3.9     10
       26...       1600    24600     150      7.4     15.0      740     10.2       50       15      3.4      6.4
     JUN
       18...       0945     2260     233      7.5     20.5      733      7.8       66       18      5.0     14
     JUL
       10...       0955      759     429      7.6     22.0      742      8.5      120       32     10       33
     AUG
       13...       1015      750     348      7.5     24.0      737      7.0       91       25      7.2     29
     SEP
       10...       0930     1050     319      7.5     21.0      733      7.7       84       23      6.6     21


                                             MONONGAHELA RIVER BASIN


                            03083500  YOUGHIOGHENY RIVER AT SUTERSVILLE, PA--Continued

                          WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997

                           ALKA-                                       SOLIDS,   NITRO-   NITRO-   NITRO-   NITRO-
                  POTAS-  LINITY             CHLO-    FLUO-   SILICA,  RESIDUE    GEN,     GEN,     GEN,   GEN,AM-
                   SIUM,  WAT DIS  SULFATE   RIDE,    RIDE,    DIS-    AT 180   NITRITE  NO2+NO3  AMMONIA  MONIA +
                   DIS-   TOT IT    DIS-     DIS-      DIS-    SOLVED   DEG. C    DIS-     DIS-     DIS-   ORGANIC
                  SOLVED   FIELD    SOLVED   SOLVED   SOLVED   (MG/L     DIS-    SOLVED   SOLVED   SOLVED   TOTAL
         DATE     (MG/L   MG/L AS   (MG/L    (MG/L    (MG/L     AS      SOLVED   (MG/L    (MG/L    (MG/L    (MG/L
                  AS K)    CACO3   AS SO4)   AS CL)   AS F)    SIO2)    (MG/L)   AS N)    AS N)    AS N)    AS N)
                 (00935)  (39086)  (00945)  (00940)  (00950)  (00955)  (70300)  (00613)  (00631)  (00608)  (00625)

     OCT
       28...        1.5      41      50       10       <0.10    4.6      116      0.010    0.730    0.030     0.20
     NOV
       07...        1.4      39      60       11       <0.10    3.9      137      0.020    0.960    0.050    <0.20
     DEC
       17...        1.0      36      40       10       <0.10    4.6      107      0.010    0.960    0.030    <0.20
     JAN
       28...        2.5      52      68       72        0.20    5.1      272      0.020    1.20     0.250     1.7
     FEB
       10...        1.4      38      57       24        0.10    4.9      161      0.010    1.10     0.050    <0.20
     MAR
       20...        1.2      33      49       14       <0.10    4.4      125      0.030    1.00     0.040    <0.20
     APR
       09...        1.4      25      74       14       <0.10    4.1      165     <0.010    0.730    0.040    <0.20
     MAY
       23...        1.2      18      38       12       <0.10    4.2      108     <0.010    0.720   <0.015     0.23
       26...        1.7      18      26        8.9     <0.10    4.8       85     <0.010    1.17     0.065     0.90
     JUN
       18...        1.4      25      55       12       <0.10    3.3      134     <0.010    0.075   <0.015    <0.20
     JUL
       10...        1.9      39     120       19       <0.10    3.4      269     <0.010    0.863    0.029    <0.20
     AUG
       13...        1.6      32      99       14        0.12    2.4      210      0.016    0.843    0.029     0.26
     SEP
       10...        1.7      34      83       14       <0.10    1.6      186     <0.010    0.625   <0.015     0.23



                 NITRO-                     PHOS-                              CARBON,             SED.
                 GEN,AM-            PHOS-   PHORUS             MANGA-  CARBON,  ORGANIC             SUSP.
                 MONIA +   PHOS-   PHORUS    ORTHO,   IRON,    NESE,   ORGANIC   SUS-     SEDI-    SIEVE
                 ORGANIC  PHORUS     DIS-    DIS-      DIS-     DIS-    DIS-    PENDED    MENT,     DIAM.
                  DIS.     TOTAL    SOLVED  SOLVED    SOLVED   SOLVED  SOLVED    TOTAL    SUS-    % FINER
         DATE     (MG/L    (MG/L    (MG/L   (MG/L     (µG/L    (µG/L    (MG/L    (MG/L    PENDED    THAN
                  AS N)    AS P)    AS P)   AS P)     AS FE)   AS MN)   AS C)    AS C)    (MG/L)  .062 MM
                 (00623)  (00665)  (00666)  (00671)  (01046)  (01056)  (00681)  (00689)  (80154)  (70331)

     OCT
       28...       <0.20    0.020   <0.010   <0.010      8.0    65        1.7      0.30        3       85
     NOV
       07...       <0.20    0.020   <0.010   <0.010     47      74        1.7      0.30        1       71
     DEC
       17...       <0.20   <0.010   <0.010   <0.010     30     110        1.2      0.50        3       64
     JAN
       28...        0.40    0.690   <0.010   <0.010     15     190        1.8      1.4       249       90
     FEB
       10...       <0.20   <0.010    0.010   <0.010     89     160        1.3      0.30        3       82
     MAR
       20...       <0.20    0.030   <0.010   <0.010     41     170        1.3      0.60        8       59
     APR
       09...       <0.20    0.030   <0.010   <0.010    110     110        1.4      0.30        4       69
     MAY
       23...       <0.20    0.014   <0.010   <0.010     31      57        1.5      1.1        14       65
       26...        0.29    0.208   <0.010   <0.010     44     101        3.4      3.6       161       79
     JUN
       18...       <0.20   <0.010   <0.010   <0.010     79      27        1.6      1.9         4       61
     JUL
       10...       <0.20   <0.010   <0.010    0.019     82      45        1.6      0.30        5       55
     AUG
       13...        0.21   <0.010   <0.010    0.016     52      22        2.0      0.30        5       40
     SEP
       10...       <0.20    0.021   <0.010   <0.010     44      19        2.1      0.20        4       64






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