USGS Water-Year Summary for Site 02388975

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	Available Parameters
	00010 Temperature, water(Max.,Mean,Min.)
	00045 Precipitation(Sum)
	00060 Discharge(Mean)
	00065 Gage height(Min.,Max.,Mean)
	00095 Specific cond at 25C(Max.,Mean,Min.)
	63680 Turbidity, Form Neph(Max.,Min.,Med.) [YSI 6136]
	63680 Turbidity, Form Neph(Med.,Max.,Min.) [YSI EXO]

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

02388975 ETOWAH RIVER AT GA 136 NEAR LANDRUM GA

LOCATION - Lat 34°24'32.7", long 84°01'11.3" referenced to North American Datum of 1983, Dawson County, GA, Hydrologic Unit 03150104,

DRAINAGE AREA - 97.3 mi².

REVISIONS HISTORY -

The mean gage-heights associated with discharge measurements #074-#087 were revised on July. 9, 2024, based on changes to the gage datum.

Gage datum was revised on October 22, 2024 based on an error in the determination of the gage datum.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
DISCHARGE: October 2007 to current year.
GAGE HEIGHT: October 2007 to current year.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 1,067.026 feet above North American Vertical Datum (NAVD) of 1988. (from GNSS survey)

COOPERATION - Etowah Water and Sewer Authority.

REMARKS - Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-ga_nwisweb_data_inquiries@usgs.gov.

EXTREMES FOR PERIOD OF RECORD - Maximum gage height recorded, 13.87 feet, February 6, 2020; minimum daily discharge, 24 cfs, August 23, 2008.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - October 2007 to current year.

INSTRUMENTATION - Tipping-bucket raingage.

WATER-QUALITY RECORDS

EXTREMES FOR PERIOD OF RECORD -

Water Temperature: Maximum recorded, 26.2°C, August 27, 2023*; minimum recorded, 0.0°C, December 25, 2022.

Specific Conductance: Maximum recorded, 77 uS/cm, January 16, 2022; minimum recorded, 10 uS/cm, August 29, 2023.

Turbidity: Maximum recorded, 1080 FNU, March 26, 2021; minimum recorded, 1.2 FNU, November 24, 2022.