Water-level conditions in southern Florida
Water-level conditions in southern Florida
All data presented on this site are considered to be PROVISIONAL DATA and subject to revision pending further review.
USGS STATION NUMBER.-- USGS 263845081260703
LOCATION.-- Lat 26°38'45", long 81°26'07" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.21, T.44 S., R.29 E., Hendry County, FL, Hydrologic Unit 03090205, southeast corner of intersection of State Road 29 and Sears Road, and 3.6 mi west of Sears.
AQUIFER.-- Surficial aquifer of the Pleistocene Age, Geologic Unit 112 NRSD.
WELL CHARACTERISTICS.-- Depth 10 ft. Upper casing diameter 4 in.; top of first opening 5 ft, bottom of last opening 10 ft. Open-hole well.
DATUM.-- Top of casing, 32.26 ft above National Geodetic Vertical Datum of 1929, Oct. 1, 1991, to present
PERIOD OF RECORD.-- October 1977 to October 1983 (daily), October 1983 to September 1995 (monthly), February 2001 to current year. (Corrected)
REMARKS.-- Records of water levels prior to October 1986 are in error. See DATUM. Corrected records, including records of water levels prior to October 1979, are available in the files of the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD.-- Highest water level measured, 30.49 ft NGVD, Aug. 29, 1990; lowest, 24.42 ft NGVD, May 30, 1989. (Corrected)
Online map showing USGS_263845081260703 (through Google Maps - not a USGS site) at (26.6461811,-81.4350739).
Daily values tables - HTML tables
Daily values tables - raw retrieval
Most recent monitoring data received at HE - 851:
(Recorded within last 60 days of site monitoring or during site visit within past 180 days.)
Data type Value Date Time
Computed elevation, in ft (NGVD) 27.14 23-NOV-2009 18:00:00
Measured water level elevation 28.92 01-SEP-2009 11:00:00
Online data inventory for HE - 851: Data type Start End Number of records Computed elevation, in ft (NGVD) 15-FEB-2001 23-NOV-2009 73452 Daily maximum elevation, in ft (NGVD) 12-OCT-1977 22-NOV-2009 5178 Measured dissolved chloride content 22-FEB-1978 20-APR-1993 22 Measured specific conductance 22-FEB-1978 20-APR-1993 22 Measured water-level elevation 25-AUG-1977 01-SEP-2009 174
![Graph: Continuously recorded water levels for the past 30 days are compared to daily (maximum) water levels from last year, the minimum and maximum daily levels for the corresponding weeks of the year for the site period of record, and daily levels for the 2001 drought year.. Data used to produce this graph is available via the [data used] link on the page.](../graphics/graphs/graph_01696.gif)
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Continuously recorded water levels for the past 30 days are compared to daily (maximum) water levels from last year, the minimum and maximum daily levels for the corresponding weeks of the year for the site period of record, and daily levels for the 2001 drought year.
Data used to produce the current 30-day hydrograph at HE - 851 (263845081260703)
Description of information presented in the current 30-day hydrograph at HE - 851 (263845081260703)
The change in daily water-level elevations correlates with time to a 95-percent degree of confidence for the past 35 years of record. A linear regression has been performed against the daily maximum water-level elevations for the past 35 years to quantify a long-term trend in the data. The estimated long-term trend in water level is 0.016 ft/year. (Description of statistical methods)
![Graph: Continuously recorded water levels for the past 90 days are compared to daily (maximum) water levels from last year, the minimum and maximum daily levels for the corresponding weeks of the year for the site period of record, and daily levels for the 2001 drought year.. Data used to produce this graph is available via the [data used] link on the page.](../graphics/graphs/graph_01699.gif)
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Continuously recorded water levels for the past 90 days are compared to daily (maximum) water levels from last year, the minimum and maximum daily levels for the corresponding weeks of the year for the site period of record, and daily levels for the 2001 drought year.
Data used to produce the current 90-day hydrograph at HE - 851 (263845081260703)
Description of information presented in the current 90-day hydrograph at HE - 851 (263845081260703)
The change in daily water-level elevations correlates with time to a 95-percent degree of confidence for the past 35 years of record. A linear regression has been performed against the daily maximum water-level elevations for the past 35 years to quantify a long-term trend in the data. The estimated long-term trend in water level is 0.016 ft/year. (Description of statistical methods)
![Graph: Daily maximum water levels for the year are compared to water levels from last year, the minimum and maximum daily levels for the corresponding weeks of the year for the site period of record, and daily levels for the 2001 drought year.. Data used to produce this graph is available via the [data used] link on the page.](../graphics/graphs/graph_01702.gif)
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Daily maximum water levels for the year are compared to water levels from last year, the minimum and maximum daily levels for the corresponding weeks of the year for the site period of record, and daily levels for the 2001 drought year.
Data used to produce the current year-to-date hydrograph at HE - 851 (263845081260703)
Description of information presented in the current year-to-date hydrograph at HE - 851 (263845081260703)
The change in daily water-level elevations correlates with time to a 95-percent degree of confidence for the past 35 years of record. A linear regression has been performed against the daily maximum water-level elevations for the past 35 years to quantify a long-term trend in the data. The estimated long-term trend in water level is 0.016 ft/year. (Description of statistical methods)
![Graph: Long-term water-level elevation trends are estimated by statistical analysis, then water-level elevations for the past year are compared to the duration information, compensated for long-term trends, for the corresponding weeks of the year.. Data used to produce this graph is available via the [data used] link on the page.](../graphics/graphs/graph_01703.gif)
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Long-term water-level elevation trends are estimated by statistical analysis, then water-level elevations for the past year are compared to the duration information, compensated for long-term trends, for the corresponding weeks of the year.
Data used to produce the one-year hydrograph at HE - 851 (263845081260703)
Description of information presented in the one-year hydrograph at HE - 851 (263845081260703)
The change in daily water-level elevations correlates with time to a 95-percent degree of confidence for the past 35 years of record. A linear regression has been performed against the daily maximum water-level elevations for the past 35 years to quantify a long-term trend in the data. The estimated long-term trend in water level is 0.016 ft/year. (Description of statistical methods)
![Graph: Water-level elevations from the past 35 years . Data used to produce this graph is available via the [data used] link on the page.](../graphics/graphs/graph_01705.gif)
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Water-level elevations from the past 35 years.
Data used to produce the period of record hydrograph - past 35 years at HE - 851 (USGS 263845081260703)
Description of information presented in the period of record hydrograph - past 35 years at HE - 851 (USGS 263845081260703)
The change in daily water-level elevations correlates with time to a 95-percent degree of confidence for the past 35 years of record. A linear regression has been performed against the daily maximum water-level elevations for the past 35 years to quantify a long-term trend in the data. The estimated long-term trend in water level is 0.016 ft/year. (Description of statistical methods)
![Graph: Sample chloride measurements available over the past 25 years. Vertical groups of chloride measurements represent results from chloride or specific conductance profile measurements.. Data used to produce this graph is available via the [data used] link on the page.](../graphics/graphs/graph_05797.gif)
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Sample chloride measurements available over the past 25 years. Vertical groups of chloride measurements represent results from chloride or specific conductance profile measurements.
Data used to produce the period of record chloride measurements - past 25 years HE - 851 (263845081260703)
Description of information presented in the period of record chloride measurements - past 25 years HE - 851 (263845081260703)
Funding for the USGS to design and maintain this site has been provided through a cooperative agreement with the South Florida Water Management District (SFWMD). Water-level conditions are monitored by the USGS with support from Federal, State, and local cooperators.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.sflorida.er.usgs.gov/ddn-cgi/run.pl?map=sfl&mapuse=A&sites=((263845081260703))&indicator=Y
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