French Creek at Utica, PA

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

--------

					03024000  FRENCH CREEK AT UTICA, PA
                                   (National water-quality assessment station)

LOCATION.--Lat 41`26'15", long 79`57'22", Venango County, Hydrologic Unit 05010004, on right bank at upstream side
   of bridge on SR 3017 at Utica and 2,000 ft upstream from Mill Creek.

DRAINAGE AREA.--1,028 mi2.

                                             WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--August 1932 to current year.

REVISED RECORDS.--WSP 743:   Drainage area.  WSP 823:   1936 (M).  WSP 1275:   1933, 1936.

GAGE.--Water-stage recorder.  Datum of gage is 1,019.44 ft above sea level.  Prior to Nov. 27, 1933, nonrecording
   gage at same site and datum.

REMARKS.--Records good except for estimated daily discharges, which are fair.  Flow regulated since 1971 by Union
   City Reservoir 50 mi upstream, serving as a retarding basin, and since January 1974 by Woodcock Creek Lake,
   25 mi upstream.  Several measurements of water temperature were made during the year.  U.S. Army Corps of
   Engineers satellite telemeter at station.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage since at least 1912, 15.7 ft in March 1913, discharge
   35,600 ft3/s.

                    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      5220     2830     5050     2790     2480    10100     3860     1390     1310      512      152      259
  2      3770     2170     5790     2540     2290     8240     3450     1190     3140      552      148      237
  3      2900     1840     5090     2680     2230     7050     3020     1350     5400      571      141      227
  4      2310     1690     4460     2810     2530     5910     2650     1930     6080      545      135      211
  5      1970     1620     4000     2970     4970     5020     2360     1830     5160      499      134      199

  6      1760     1680     3610     3580     5450     5760     2160     2240     4040      450      161      219
  7      1570     1730     3290     3500     5090     5890     1980     2640     3010      411      166      217
  8      1360     4060     3010     2940     4310     5390     1810     2320     2440      378      149      193
  9      1110     6880     2810     2530     3450     5190     1610     2170     2120      360      134      175
 10      1440     7550     2660     2340     2740     6780     1390     2150     1860      391      120      181

 11      2190     6620     3010     2030     2270     7160     1210     3070     1650      879      109      255
 12      2040     5630     4960     1430     1980     6560     1850     3310     1760      997      108      309
 13      1730     5130     5970     1360     1580     5280     4250     3200     1830      867      127      286
 14      1430     4640     5510     1270    e1400     6370     4010     2770     1390      631      160      293
 15      1170     4080     4580     1260    e1250     8200     3350     2480     1070      425      163      276

 16       959     3680     3900    e1190    e1150     7850     2820     2480      888      357      181      266
 17       845     3390     3730    e1130    e1050     6040     2620     2600      940      329      248      245
 18       908     4180     3880    e1130    e1000     5000     2220     2370     1210      304      379      233
 19      3990     5400     3460    e1180    e1700     4320     2000     3110     1350      272      563      214
 20      5890     5210     2860    e1200     4990     3650     1780     5520     1300      246      466      296

 21      5870     4620     2240     1250     6000     3280     1580     5200     1170      227      333      356
 22      5200     4000     1870     1390     7050     3150     1380     4170      942      241      281      324
 23      4440     3470     1700     2960     6640     3270     1300     3280      781      230      342      301
 24      3810     3080     3560     4090     5040     3000     1400     2660      656      224      647      265
 25      3200     3040     5100     4770     3820     2770     1420     2530      604      221      818      233

 26      2750     5280     4260     5060     3200     4010     1270     2590     1230      212      642      210
 27      2350     5980     3910     4580     7190     4290     1120     2270     1030      205      460      191
 28      2150     5080     3470     4020     9880     3560     1260     1940      861      196      408      185
 29      2020     4230     3680     3660      ---     3050     1550     1720      658      182      367      560
 30      2520     3650     3650     3220      ---     3010     1610     1530      550      171      332      992
 31      3240      ---     3240     2720      ---     3750      ---     1300      ---      161      295      ---

TOTAL   82112   122440   118310    79580   102730   162900    64290    79310    56430    12246     8869     8408
MEAN     2649     4081     3816     2567     3669     5255     2143     2558     1881      395      286      280
MAX      5890     7550     5970     5060     9880    10100     4250     5520     6080      997      818      992
MIN       845     1620     1700     1130     1000     2770     1120     1190      550      161      108      175
CFSM     2.58     3.97     3.71     2.50     3.57     5.11     2.08     2.49     1.83      .38      .28      .27
IN.      2.97     4.43     4.28     2.88     3.72     5.89     2.33     2.87     2.04      .44      .32      .30

   e  Estimated.
                                                FRENCH CREEK BASIN

                                  03024000  FRENCH CREEK AT UTICA, PA--Continued

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1972 - 1997, BY WATER YEAR (WY)  (SINCE REGULATION)

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

MEAN     1315     2441     2942     2538     2890     3917     3015     1756     1409      889      699      963
MAX      3954     6309     6029     5426     6394     6466     5101     4081     4659     2629     3297     3409
(WY)     1991     1986     1978     1993     1976     1972     1994     1996     1986     1987     1980     1990
MIN       121      176     1049      869      629     2085     1655      452      209      192      112     71.7
(WY)     1992     1992     1990     1977     1987     1990     1976     1985     1991     1995     1991     1995

SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1972 - 1997

ANNUAL TOTAL                     1068423                     897625
ANNUAL MEAN                         2919                       2459                       2060
HIGHEST ANNUAL MEAN                                                                       2459              1997
LOWEST ANNUAL MEAN                                                                        1349              1995
HIGHEST DAILY MEAN                 15600     Jan 20           10100     Mar  1           18100       Feb 21 1981
LOWEST DAILY MEAN                    202     Sep  6             108     Aug 12              60       Sep 15 1991
ANNUAL SEVEN-DAY MINIMUM             227     Aug 31             130     Aug  8              67       Sep  7 1995
INSTANTANEOUS PEAK FLOW                                       10600     Mar  1           18400       Feb 21 1981
INSTANTANEOUS PEAK STAGE                                          8.81  Mar  1              11.64    Feb 21 1981
ANNUAL RUNOFF (CFSM)                   2.84                       2.39                       2.00
ANNUAL RUNOFF (INCHES)                38.66                      32.48                      27.22
10 PERCENT EXCEEDS                  5810                       5240                       4620
50 PERCENT EXCEEDS                  2350                       2120                       1400
90 PERCENT EXCEEDS                   585                        227                        264

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1933 - 1971, BY WATER YEAR (WY)  (PRIOR TO REGULATION)

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

MEAN      695     1506     2238     2590     2713     3915     3147     1684      953      555      408      440
MAX      3744     3983     4471     7284     5894     7359     6688     4160     3717     2015     1907     2148
(WY)     1946     1971     1951     1937     1938     1964     1947     1956     1947     1967     1956     1958
MIN      69.5      183      227      403      523     1768      575      349      124     77.1     77.8     80.4
(WY)     1964     1954     1961     1961     1934     1937     1946     1934     1934     1934     1954     1954

SUMMARY STATISTICS           WATER YEARS 1933 - 1971

ANNUAL MEAN                   1732
HIGHEST ANNUAL MEAN           2539              1956
LOWEST ANNUAL MEAN            1146              1934
HIGHEST DAILY MEAN           23000       Mar  6 1964
LOWEST DAILY MEAN               45       Sep  1 1933
ANNUAL SEVEN-DAY MINIMUM        48       Aug 27 1933
INSTANTANEOUS PEAK FLOW      23800       Mar  7 1964
INSTANTANEOUS PEAK STAGE       a13.2     Mar  7 1964
INSTANTANEOUS LOW FLOW          43       Jul 30 1934
ANNUAL RUNOFF (CFSM)             1.68
ANNUAL RUNOFF (INCHES)          22.89
10 PERCENT EXCEEDS            4350
50 PERCENT EXCEEDS             909
90 PERCENT EXCEEDS             144

   a  From floodmark in gage well.

                                                FRENCH CREEK BASIN

                                  03024000  FRENCH CREEK AT UTICA, PA--Continued
                                   (National Water-Quality Assessment station)

                                              WATER-QUALITY RECORDS

PERIOD OF RECORD.--February to October 1956, October 1959 to May 1973, December 1975 to August 1978, April 1996
	 to current year.

PERIOD OF DAILY RECORD.--
	WATER TEMPERATURE:  October 1996 to current year.
	SUSPENDED SEDIMENT DISCHARGE:  October 1971 to September 1972.

INSTRUMENTATION.--Suspended-sediment samples were collected daily and more often during storm events
	 by an observer from October 1971 to September 1972.  Water temperature was measured and collected at hourly
	 intervals using an in-situ probe with an electronic data logger from October 1996 to current year.

REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey except those 	
     furnished by the Pennsylvania Department of Environmental Resources as noted.  Interruptions in the daily  	
     records were due 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.

EXTREMES FOR PERIOD OF DAILY RECORD.--
	SEDIMENT CONCENTRATIONS:  Maximum daily, 404 µg/L, June 24, 1972; minimum daily, 3 µg/L on several days during
	 February 1972.
	SEDIMENT DISCHARGES:  Maximum daily, 10400 tons, June 24, 1972; minimum daily, 3.5 tons, September 11, 1972.


                          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
       29...       1130   2020    203      7.6     10.5      730      10.0       78      24      4.5      5.9
     NOV
       15...       1000   4090    184      7.4      2.0      748      12.2       --      --       --       --
     DEC
       06...       0900   3620    177      7.5      3.0      725      12.2       66      20      4.0      5.9
     JAN
       15...       1000   1320    222      7.5      0.0      733      13.7       92      28      5.3      7.6
     FEB
       26...       0915   3210    157      7.5      1.0      732      13.4       55      17      3.1      6.9
     MAR
       11...       0930   7200    143      7.4      4.0      726      12.4       49      15      2.9      6.2
     APR
       22...       1045   1370    205      8.2      9.0      722      13.8       79      24      4.5      7.2
     MAY
       07...       0930   2700    196      8.0     12.0      737      10.2       78      24      4.3      7.5
     JUN
       25...       1015    588    253      8.1     24.0      731       7.1      100      32      5.8      8.8
     JUL
       31...       1000    160    317      7.2     21.5      741       7.2      130      39      7.2     12
     AUG
       21...       0940    338    296      8.0     20.0      724       7.8      120      36      6.8      9.1
     SEP
       30...       0945    725    298      7.7     16.0      717       7.4      120      35      6.6     11


                                                FRENCH CREEK BASIN

                                  03024000  FRENCH CREEK AT UTICA, 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
       29...        1.8        71    13       11       <0.10    5.0        110    0.020    0.490    0.020     0.30
     NOV
       15...        --         64     --       --       --       --       --     <0.010    0.540    0.020     0.40
     DEC
       06...        1.5        47    12       11       <0.10    4.4         94    0.020    0.590    0.030     0.30
     JAN
       15...        1.4        67    16       14        1.6     4.8        134    0.014    0.937    0.057     0.26
     FEB
       26...        0.94       40    12       12       <0.10    3.7         88    0.020    0.820    0.090     0.30
     MAR
       11...        0.90       39    11       11       <0.10    3.4         80   <0.010    0.680    0.030     0.50
     APR
       22...        1.3        62    14       14       <0.10    0.98       115   <0.010    0.436    0.019     0.24
     MAY
       07...        1.1        58    13       14       <0.10    1.8        108    0.012    0.349   <0.015     0.40
     JUN
       25...        1.4        86    12       14        0.12    1.3        151    0.015    0.531   <0.015     0.29
     JUL
       31...        1.8       108    16       19       <0.10    2.6        182   <0.010    0.496    0.018     0.36
     AUG
       21...        1.8       110    15       17       <0.10    3.4        174    0.030    0.644    0.050     0.28
     SEP
       30...        2.2       109    19       20       <0.10    2.2        170    0.022    0.541    0.070     0.55



                  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
       29...        0.40    0.030    0.010    0.010     72      25        4.2      0.40      9       94
     NOV
       15...       <0.20    0.020    0.020    0.010     --       --       4.2      0.40      8       89
     DEC
       06...        0.20    0.040   <0.010   <0.010     70      18        3.0      0.50      7       76
     JAN
       15...        0.22   <0.010   <0.010   <0.010     74      39        2.0      0.20      3       50
     FEB
       26...       <0.20    0.020   <0.010   <0.010     49      14        2.5      0.40     23       90
     MAR
       11...       <0.20    0.090   <0.010   <0.010     47       9.0      3.4      0.80     65       87
     APR
       22...       <0.20    0.018   <0.010   <0.010    130      35        2.9      0.60      3       83
     MAY
       07...       <0.20    0.016   <0.010   <0.010    140      34        3.7     >2.0      29       65
     JUN
       25...        0.25    0.029    0.033    0.013    130      27        4.0      0.60     21       76
     JUL
       31...        0.20    0.035    0.035    0.020     21      25        3.0      0.20      8       76
     AUG
       21...        0.21    0.032   <0.010    0.024     17      21        --       --        9       58
     SEP
       30...        0.42    0.074    0.063    0.039     50      16        3.9      1.0      21       28






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