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Water-Year Summary for Site 254543080491101

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Available Parameters
00060 Discharge(Mean) [TOTAL DISCHARGE MEAN]  
00065 Gage height(Mean)  
00065 Gage height(Mean)  
63160 Stream level, NAVD88(Mean)  
63160 Stream level, NAVD88(Mean)  

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

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USGS Water-Year Summary 2023
254543080491101 TAMIAMI CANAL AT S-12-A, NEAR MIAMI, FL
LOCATION - Lat 25°45'43", long 80°49'11" referenced to North American Datum of 1927, in T.54 S., R.35 E., Miami-Dade County, FL, Hydrologic Unit 03090202, in Tamiami Canal (L-29) on northwest bank 50 feet north of structure S-12-A.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1963 to September 1965, October 1970 to September 1971, October 1975 to September 1976, October 1977 to September 1980 (discharge only), October 1980 to current year. See REMARKS.
GAGE - Satellite data collection platform with water-stage shaft encoders for upstream and downstream stages. Datum of gage is National Geodetic Vertical Datum of 1929 and 1.51 feet below North American Vertical Datum of 1988 (NAVD 88). Satellite data collection platform installed April 1, 1990.
COOPERATION - U.S. Army Corps of Engineers, USGS Greater Everglades Priority Ecosystems Science, and National Park Service. Gate opening records provided by U.S. Army Corps of Engineers.
REMARKS - Station is one of several located downstream from the control structures, in Levee 29 at Tamiami Canal. Gage record is primarily used to determine discharge through control structure 12-A. Discharge is the total discharge through the S-12-A structure, from Conservation Area 3A. The daily discharge computed from relations between discharge, head, and gate-openings when flow is controlled by gates and computed by relation between stage and discharge under uncontrolled conditions. Stage and discharge records prior to 1980, were either fragmentary or unavailable from the files of the U.S. Geological Survey. Upstream gage height records were formerly published under 254543080491100. Upstream gage height records have been relocated under 254543080491101 as Published Upstream record in the files of the U.S. Geological Survey. October 1963 through September 1985, S12-A discharge was not published separately but is available in the NWIS database. The S-12-A discharge was part of the combined flow (S12 A,B, C, D) published under 02289040 TAMIAMI C OUTLETS L67A TO 40 MI BND NR MIAMI, FL for the water years 1963 through 2005. Some records are fragmentary because they were stored based upon records available in the files of the USGS. Starting 1986 water year the individual discharge for S12-A was published separately under 254543080491101.
EXTREMES FOR PERIOD OF RECORD - UPSTREAM STAGES: Maximum gage height, 11.83 ft Dec. 21, 1994; minimum, 5.17 ft June 18, 19, 1989. DOWNSTREAM STAGES: Maximum gage height, 11.80 ft Dec. 21, 1994; minimum, 5.21 ft June 19, 20, 1989.