Allegheny River at New Kensington, PA

1996 Water-Year
Basic Fixed-Site Water-Quality Records
[drop]

--------

                                               OHIO RIVER MAIN STEM

                                     03049500  ALLEGHENY RIVER AT NATRONA, PA
                                   (National water-quality assessment station)

LOCATION.--Lat 40`36'55", long 79`43'07", Allegheny County, Hydrologic Unit 05010009, on right bank 520 ft
   upstream from dam at lock 4 at Natrona, 5.8 mi downstream from Kiskiminetas River, at mile 24.3.

DRAINAGE AREA.--11,410 mi2, approximately.

                                             WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1938 to current year.

REVISED RECORDS.--WSP 1435:   1939.

GAGE.--Water-stage recorder and concrete dam control.  Datum of gage is 736.36 ft above sea level (U.S. Army Corps
   of Engineers bench mark).  Prior to Apr. 14, 1940, nonrecording gage and Apr. 15, 1940 to Oct. 22, 1990, water-
   stage recorder at same site at datum 0.75 ft higher.

REMARKS.--No estimated daily discharges.  Records good.  Flow regulated by Allegheny Reservoir, Chautauqua and
   Tionesta Lakes, Union City Reservoir, Woodcock Creek, East Branch Clarion River, Mahoning Creek, Crooked Creek,
   Yellow Creek, Conemaugh River, and Loyalhanna Lakes and by 15 smaller reservoirs, combined capacity, excluding
   that of Chautauqua Lake, 2,069,000 acre-ft.  Slight diversion since 1952 from Beaver Run Reservoir into the
   Monongahela River Basin.  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.--Flood of Mar. 18, 1936 reached a stage of 32.06 ft, discharge, 365,000 ft3/s,
   determined by U.S. Army Corps of Engineers.

                 DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
                                               DAILY MEAN VALUES

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

  1      3310     5730    31000     8520    53200    66000    22700    59000    10500    13200    11900     4020
  2      3310     7450    29700    10400    46800    61500    21600    61900     8770    12200    12600     4300
  3      4040     8960    28600    12400    40500    56300    20400    56800     7720    11900    11500     3640
  4      4890    10400    26900    11800    36100    49000    19500    50000     8250    10800     9740     4260
  5      4820    10600    26700    11400    30500    42800    18000    44200     8830    10400     7880     4450

  6      5760     9400    27400     8380    28200    52400    18200    38100     6910    10200     7280     4220
  7      6530     9400    25400     7540    23200    55000    17100    32200     6620     7230     6130     8710
  8      6360     8990    24700     6920    17100    50200    16400    31300     8060     6380     6010    10500
  9      6040    10300    21200     6690    18100    48900    14800    28400    14400     6620     8720    10100
 10      5420    11200    18000     7590    20700    44800    14500    31300    15700     6250    10300    17200

 11      4820    11200    12400     8050    23600    40000    13300    51200    14400     6230     9710    17200
 12      5060    15800    11600     7310    26300    34200    11200    91600    15400     5690     7180    15700
 13      3650    27200     9120     7690    26500    27500    11000    80100    15500     4830     7190    19800
 14      4080    28100    11400     7540    25700    25800    12500    67200    16400     4240     5380    30600
 15      4530    27900    13400     8210    23800    25100    21900    65500    15700     6030     4970    31200

 16      4740    27700    16000     7920    19500    27000    27700    60100    12900     6830     5960    27600
 17      5690    27300    19900     9720    16200    27300    31900    57300    11100    11700     6980    26700
 18      4290    25900    22100    15200    16300    25300    34400    59500    11200    13900     5760    41000
 19      5540    25100    19800    83300    15700    25400    37500    57900    27100    38600     5380    49900
 20      4960    27300    14400   166000    18400    38500    34900    52500    53700    85500     4940    44800

 21      4550    29000    13500   108000    32200    40000    31600    41100    46000    39700     6810    38300
 22      5930    27600    11000    65800    44300    38500    27400    35500    39600    33900    10100    31800
 23      7810    27300    11700    65100    51700    39800    26600    35100    34400    30100     8920    28400
 24      5730    24500    12500    63800    49000    36900    29200    33200    32300    25900     8870    27400
 25      7950    22300    11000    69200    47600    34900    36600    30900    32900    22600     8980    22900

 26     10200    19700    10600    63300    45100    33900    37000    27800    32400    15500     6810    18700
 27      9360    18200     9560    59300    52400    32400    33500    22100    27000    13200     7810    16600
 28      9490    19400     9820    58800    63800    31400    31200    17800    21300    11000     5710    17500
 29      7200    24700     9300    60400    69500    30800    29700    11900    18800     9490     4360    41900
 30      6210    31000     8780    60400      ---    27000    42200    13200    15900     9700     4020    44500
 31      7740      ---     8460    59700      ---    25000      ---    12200      ---    11000     3770      ---

TOTAL  180010   579630   525940  1146380   982000  1193600   744500  1356900   589760   500820   231670   663900
MEAN     5807    19320    16970    36980    33860    38500    24820    43770    19660    16160     7473    22130
MAX     10200    31000    31000   166000    69500    66000    42200    91600    53700    85500    12600    49900
MIN      3310     5730     8460     6690    15700    25000    11000    11900     6620     4240     3770     3640
CFSM      .51     1.69     1.49     3.24     2.97     3.37     2.17     3.84     1.72     1.42      .65     1.94
IN.       .59     1.89     1.71     3.74     3.20     3.89     2.43     4.42     1.92     1.63      .76     2.16


                                               OHIO RIVER MAIN STEM

                               03049500  ALLEGHENY RIVER AT NATRONA, PA--Continued

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1939 - 1996, BY WATER YEAR (WY)

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

MEAN     9616    16350    23980    24680    27350    39040    35840    22970    14790     9271     6716     7041
MAX     34470    45220    48690    68600    53390    87030    83780    48400    45820    34630    23020    22690
(WY)     1991     1986     1978     1952     1976     1945     1940     1943     1989     1972     1956     1990
MIN      1227     2686     2316     4520     7167    10410     9000     6129     3759     1944     1786     1444
(WY)     1964     1954     1961     1961     1963     1969     1946     1941     1991     1966     1962     1939

SUMMARY STATISTICS           FOR 1995 CALENDAR YEAR        FOR 1996 WATER YEAR           WATER YEARS 1939 - 1996

ANNUAL TOTAL                     5067150                    8695110
ANNUAL MEAN                        13880                      23760                      19760
HIGHEST ANNUAL MEAN                                                                      27810              1956
LOWEST ANNUAL MEAN                                                                       13540              1963
HIGHEST DAILY MEAN                 44700     Jan 24          166000     Jan 20          206000       Dec 31 1942
LOWEST DAILY MEAN                   2210     Aug 25            3310     Oct  1,2           949       Oct 26 1963
ANNUAL SEVEN-DAY MINIMUM            2600     Aug 23            4050     Aug 29            1030       Oct 25 1963
INSTANTANEOUS PEAK FLOW                                      182000     Jan 20          238000       Dec 30 1942
INSTANTANEOUS PEAK STAGE                                        a24.18  Jan 20             b27.46    Dec 30 1942
INSTANTANEOUS LOW FLOW                                                                     985       Oct 22 1963
ANNUAL RUNOFF (CFSM)                                2.08                                     1.73
ANNUAL RUNOFF (INCHES)                             28.35                                    23.53
10 PERCENT EXCEEDS                 28800                      51900                      45200
50 PERCENT EXCEEDS                 10600                      17900                      13100
90 PERCENT EXCEEDS                  3610                       5750                       3090

   a  From floodmark in gage.
   b  Datum then in use.



                                               OHIO RIVER MAIN STEM

                                 03049625  ALLEGHENY RIVER AT NEW KENSINGTON, PA
                                   (National water-quality assessment station)

                                              WATER-QUALITY RECORDS

LOCATION.--Lat  40`33'52", long 79`46'22", Allegheny County, Hydrologic Unit 05010009, at New Kensington highway
   bridge, 5.1 mi downstream from dam at Lock 4 at Natrona, 5.3 mi down stream from gaging station at Natrona, and
   19.0 mi upstream from mouth.
DRAINAGE AREA.--11,500 mi2.
PERIOD OF RECORD.--July 1972 to December 1973, October 1974 to current year.
REMARKS.--Records of discharge are given for 03049500 Allegheny River at Natrona, Pa.  Additional sites in the
   fixed-station network are shown in figure 4, page 26.

                          WATER-QUALITY DATA, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
                     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)
DEC
  06...     1200    28200     210      6.1      4.0      740     13.0       68      19        5.1      9.3
JAN
  20...     1445   180000     177      5.5      1.5      --       --        47      13        3.6      9.6
APR
  25...     0930    37800     194      7.4     12.0      735     10.0       65      18        4.8      8.6
MAY
  16...     0900    58500     147      7.3     11.0      737     12.0       50      14        3.7      5.5
JUN
  24...     0845    31700     194      6.7     22.0      735     10.0       65      18        4.8      7.2
JUL
  22...     0930    36700     167      6.9     20.5      734      7.2       51      14        4.0      6.9
AUG
  08...     0900     5830     290      7.6     25.0      739      7.4       97      26        7.7     14
SEP
  11...     0930    14500     350      7.6     23.5      741      8.8      110      31        8.8     16

                     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)
DEC
  06...        1.4     27       42       14       <0.10    4.9      112     <0.010    0.800    0.030    <0.20
JAN
  20...        2.0     --       30       14        0.10    4.3       96      0.010    1.00     0.200     2.3
APR
  25...        1.2     25       40       12       <0.10    3.6      110     <0.010    0.480   <0.015    <0.20
MAY
  16...        1.2     20       28        8.2     <0.10    4.7       91     <0.010    0.500    0.040     0.30
JUN
  24...        1.6     25       40        9.2      0.10    5.5      108      0.020    0.740    0.060     0.20
JUL
  22...        2.1     15       41        8.0     <0.10    4.6      102      0.020    0.620    0.070     0.40
AUG
  08...        1.7     37       73       15        0.10    4.2      180     <0.010    0.500   <0.015     0.20
SEP
  11...        2.1     43       87       19        0.10    3.3      203      0.020    0.500    0.050     0.30

             NITRO-                     PHOS-                                       CARBON,             SED.
            GEN,AM-            PHOS-   PHORUS    ALUM-             MANGA-  CARBON,  ORGANIC             SUSP.
            MONIA +   PHOS-   PHORUS    ORTHO,   INUM,    IRON,    NESE,   ORGANIC   SUS-     SEDI-    SIEVE
            ORGANIC  PHORUS     DIS-    DIS-      DIS-     DIS-     DIS-    DIS-    PENDED    MENT,     DIAM.
             DIS.     TOTAL    SOLVED  SOLVED    SOLVED   SOLVED   SOLVED  SOLVED    TOTAL    SUS-    % FINER
    DATE     (MG/L    (MG/L    (MG/L   (MG/L     (µG/L    (µG/L    (µG/L    (MG/L    (MG/L    PENDED    THAN
             AS N)    AS P)    AS P)   AS P)     AS AL)   AS FE)   AS MN)   AS C)    AS C)    (MG/L)  .062 MM
            (00623)  (00665)  (00666)  (00671)  (01106)  (01046)  (01056)  (00681)  (00689)  (80154)  (70331)
DEC
  06...     <0.20     0.020    <0.010   <0.010     30       52      200       --       --       --       --
JAN
  20...      0.60     0.650     0.010    0.010     --      160      620       --       --       --       --
APR
  25...     <0.20     0.020    <0.010   <0.010     --       49      180       2.2      0.40     12       92
MAY
  16...     <0.20     0.050    <0.010   <0.010     --       53      110       2.5      1.5      30       86
JUN
  24...      0.30    <0.010    <0.010   <0.010     --       34       97       3.6      0.70     30       96
JUL
  22...      0.30     0.050    <0.010   <0.010     --       65      140       4.2      3.6     190       99
AUG
  08...     <0.20     0.030    <0.010   <0.010     --       14      120       2.1      0.60      9       98
SEP
  11...     <0.20    <0.010    <0.010   <0.010     --       12      100       2.0      0.40     13       98 





- QUICK LINKS:

  Back to the Allegheny River at New Kensington, PA page. [arrow]

  To the Basic Fixed Sites list. [arrow]

  To the Bed-Sediment and Tissue Study sites list. [arrow]

  To the main ALMN NAWQA Data page. [arrow]




Return to ALMN Home


[an error occurred while processing this directive]