USGS Water-Year Summary for Site 03105500

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

03105500 BEAVER RIVER AT WAMPUM, PA

LOCATION - Lat 40°53'19", long 80°20'14" referenced to North American Datum of 1927, Lawrence County, PA, Hydrologic Unit 05030104, on right bank at downstream side of bridge on State Highway 288 at Wampum, 2.9 mi upstream from Connoquenessing Creek, at river mile 15.4.

DRAINAGE AREA - 2,235 mi².

REVISIONS HISTORY -

WSP 728: Drainage area. WSP 1385: 1933-40, 1946, 1951-52. WSP 1725: 1960 (adjusted runoff). WDR PA-85-3: 1984 (M).

Revisions: Gage height and discharge for the period Feb. 17-19, 2022, were revised on April 7, 2022, due to a stage sensor malfunction. Gage height record was deleted for the period and the peak gage height was determined from a crest stage gage reading.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1914 to September 1918, August 1932 to current year. Monthly discharge only for some periods, published in WSP 1305. Published as "at Newport" 1914-18.

GAGE - Water-stage recorder. Datum of gage is 735.8 ft above North American Vertical Datum of 1988. Prior to Sept. 20, 1914, non-recording gage at site 500 ft downstream at datum 0.76 ft lower. Oct. 1, 1914 to Sept. 30, 1918, non-recording gage at site 1 mi upstream at datum 0.84 ft higher. Aug. 26, 1932 to Nov. 16, 1938, non-recording gage at present site and datum. Since 1932, an auxiliary gage 10 mi downstream at Beaver Falls (station 03107500) is used during periods of backwater from Connoquenessing Creek. Prior to January 18, 2024, the datum of gage was reported as 736.24 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.

COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Pittsburgh District, the Pennsylvania Department of Environmental Protection, and the U.S. Geological Survey.

REMARKS - Flow regulated since 1916 by Milton Reservoir, since November 1929 by Meander Creek Reservoir, since December 1933 by Pymatuning Reservoir (station 03100500), since December 1942 by Berlin Lake, since October 1943 by Mosquito Creek Lake, since December 1966 by Michael J. Kirwan Reservoir, and since January 1967 by Shenango River Lake, 40 mi upstream. Records good except those for estimated daily discharge, which is poor.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since 1912, 29.9 ft, Mar. 26, 1913, from floodmark, discharge, about 87,000 ft³/s.

WATER-QUALITY RECORDS

PERIOD OF RECORD - November 2010 to current year.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: August 2010 to current year. PH: April 2011 to current year (seasonal operation, April to November). WATER TEMPERATURE: August 2010 to current year. DISSOLVED OXYGEN: April 2011 to current year (seasonal operation, April to November).

COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the Pennsylvania Department of Environmental Protection. Water-quality samples were collected as part of the Pennsylvania Department of Environmental Protection Water-Quality Network (WQN) with cooperation from the Pennsylvania Department of Environmental Protection.

INSTRUMENTATION - Continuous water-quality monitor interfaced with a data collection platform with 15-minute recording interval. Satellite telemetry at station.

REMARKS -

As of October 2013, results from discrete water quality samples collected at this site are available through the U.S. Geological Survey National Water Information System web interface on the "Water Quality for the Nation" webpage. Analyses for pH, water temperature, specific conductance, and dissolved oxygen were performed on site. All other sample analyses were performed at the Pennsylvania Department of Environmental Protection laboratory in Harrisburg, PA. Occasionally, values for filtered parameters may exceed values for the corresponding unfiltered parameter. These results are within the limits of analytical precision and methods.

Historically water temperatures below 0 degrees Celsius were not reported. Water temperature sensors now have the ability to accurately read water temperatures below 0 degrees Celsius.

Values reported by the monitor may not be representative of the entire river width. Cross-sectional water quality data is available upon request.

Data collection for pH and dissolved oxygen suspended in winter months. Other interruptions in the record were due to excessive fouling and malfunctions in the equipment.

For water year 2014, records for water temperature. pH and dissolved oxygen are rated good. Records for specific conductance are rated good, except for March 11 to May 30 and July 4-22, which are rated fair, and July 23-31, which are rated poor.

For water year 2015, records for water temperature and pH are rated good. Records for specific conductance are rated good, except for April 1-7 and My 12-20, which are rated poor. Records for dissolved oxygen are rated good, except for April 20 to May 4, which are rated fair, and for May 5-20 and May 28-29, which are rated poor.

For water year 2016, records for water temperature and dissolved oxygen are rated good. Records for specific conductance are rated good, except for January 29 to February 24, which are fair, and for February 25 to March 6, which are poor. Records for pH are good, except for March 6 to June 13, which are poor.

For water year 2017, records for water temperature, pH, and dissolved oxygen are rated good. Records for specific conductance are rated good, except for October 4 to March 22, which are fair.

For water year 2018, records for water temperature and pH are rated good. Records for dissolved oxygen are rated poor. Specific conductance records are rated good, except for February 19 to March 1 and April 20 to April 26, which are fair, and March 2 to March 6 and April 27 to May 8, which are poor.

For water year 2019, records for water temperature and pH are rated good. Records for specific conductance are rated good except for December 26 to January 13 and February 20 to March 28, which are fair, and for January 14 to February 4, which are poor. Record for dissolved oxygen are rated good except for October 1-31, which are fair.

Beginning water year 2020, water quality data were no longer assigned quality ratings "excellent', "good', "fair', or "poor".

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 994 microsiemens/cm, March 5, 2015; minimum, 94 microsiemens/cm, Feb 19, 2022. WATER TEMPERATURE: Maximum, 33.2°C, Jul 22, 2011; minimum, -0.1°C, many days in winter months.