Trend-compensated Overview of USGS Real-time Water-level Monitoring, Stations in South Florida and Kissimmee River Basin

All data presented on this site are considered to be PROVISIONAL DATA and subject to revision pending further review.

HE - 555, USGS ID: 263845081260701 [NWIS]

Site information from 2007 Data Report:

USGS STATION NUMBER.-- USGS 263845081260701

LOCATION.-- Lat 26°38'47", long 81°26'09" 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, at southeast corner of intersection of State Road 29 and Sears Road, and 3.6 mi west of Sears.

AQUIFER.-- Sandstone aquifer of the Miocene Age, Geologic Unit 122 SNDS.

WELL CHARACTERISTICS.-- Depth 270 ft. Upper casing diameter 4 in.; top of first opening 250 ft, bottom of last opening 270 ft. Artesian well.

DATUM.-- Top of casing, 32.83 ft above National Geodetic Vertical Datum of 1929, Jan. 1, 1975, to present

PERIOD OF RECORD.-- January 1975 to October 1983 (daily), November 1983 to September 1995 (monthly), December 2001 to current year.

REMARKS.-- Records from January 1975 to September 30, 1978, require a -2.80 ft correction. Published records from October 1, 1978, through October 1983 require a +1.99 ft correction. Corrected data, including unpublished records of water levels prior to October 1980, are in the files of the U.S. Geological Survey. See DATUM.

EXTREMES FOR PERIOD OF RECORD.-- Highest daily maximum water level, 27.23 ft NGVD, Sept. 26, 1983; lowest, 9.48 ft NGVD, May 17, 2002.

Online map showing USGS_263845081260701 (through Google Maps - not a USGS site) at (26.6467361,-81.4356308).

Daily values tables - HTML tables

Daily values tables - raw retrieval

Most recent monitoring data received at  HE - 555: 
    (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)                     13.69              23-NOV-2009 18:00:00
Measured water level elevation                       17.92              29-OCT-2009 09:45:00

Online data inventory for HE - 555:

Data type                                            Start         End          Number of records
Computed elevation, in ft (NGVD)                     30-NOV-2001    23-NOV-2009        66425
Daily maximum elevation, in ft (NGVD)                05-JAN-1976    22-NOV-2009         6699
Measured dissolved chloride content                  16-JUN-1976    20-APR-1993           23
Measured specific conductance                        16-JUN-1976    20-APR-1993           22
Measured water-level elevation                       23-OCT-1975    29-OCT-2009          283

Water-level data collected in the past 30 years at HE - 555 (Save as text file)

Chloride measurements collected in the past 30 years at HE - 555 (Save as text file)

Navigational links:

Website

Station data page

Current 30-day hydrograph at HE - 555 (263845081260701)

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.

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 - 555 (263845081260701)

Description of information presented in the current 30-day hydrograph at HE - 555 (263845081260701)

Long-term trend information

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 -0.099 ft/year. (Description of statistical methods)

Current 90-day hydrograph at HE - 555 (263845081260701)

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.

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 - 555 (263845081260701)

Description of information presented in the current 90-day hydrograph at HE - 555 (263845081260701)

Long-term trend information

Current year-to-date hydrograph at HE - 555 (263845081260701)

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.

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 - 555 (263845081260701)

Description of information presented in the current year-to-date hydrograph at HE - 555 (263845081260701)

Long-term trend information

One-year hydrograph at HE - 555 (263845081260701)

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.

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 - 555 (263845081260701)

Description of information presented in the one-year hydrograph at HE - 555 (263845081260701)

Long-term trend information

Period of record hydrograph - past 35 years at HE - 555 (USGS 263845081260701)

Water-level elevations from the past 35 years.

Data used to produce the period of record hydrograph - past 35 years at HE - 555 (USGS 263845081260701)

Description of information presented in the period of record hydrograph - past 35 years at HE - 555 (USGS 263845081260701)

Long-term trend information

Period of record chloride measurements - past 25 years HE - 555 (263845081260701)

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 - 555 (263845081260701)

Description of information presented in the period of record chloride measurements - past 25 years HE - 555 (263845081260701)