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  • USGS 444008092423201 PI98-14R 114N16W23BCAA 01 Prairie Is.2 0000612781


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    Prairie Island Observation Well PI98-14
    County: Goodhue
    Township: Welch (T114N R16W)
    Location: 0.17 miles northeast of Prairie Island Boulevard, 2.02 miles east if the intersection of Co. Rd. 68 and Co. Rd. 54
    Land-surface elevation: 688.16 feet, NAVD88
    Installation: Sep. 3, 1998, By the USGS
    Well information
    Depth: 20.2 feet
    Open interval: 15.4–19.6 feet
    Original and current use: monitoring, USGS
    Aquifer information
    Type: surficial sand and gravel
    Thickness: more than 22 feet (0–>22 feet, BLS)
    Deposit: sand and gravel alluvium deposited by a glacial melt-water stream

    Prairie Island Indian Community
    This site is operated in cooperation with the Prairie Island Indian Community

    Water levels below land surface are accurate to 0.01 feet. Water levels above National American Vertical Datum of 1988 (sea level) are calculated by subtracting recorded water levels from the land surface elevation, which is accurate only to plus-or-minus 0.01 feet based on optical level survey. Water-level differences are accurate to within 0.001 feet.

    Note: The water levels measured at this field site are accurate only to a precision of two decimal places, not the 3 decimal places shown on this web site. Thus, the three-decimal place data do not reflect the absolute accuracy of the water level but only relative differences in the water level over time. This three-decimal place precision was useful at sites similar to this one for hydrologic analyses such as estimation of ground-water recharge and evapotranspiration.

    Water temperatures are accurate to plus-or-minus 0.1°C.

    Shelter temperature is the air temperature inside the shelter, which is unventilated, and does not represent ambient air temperature, particularly during daylight hours.

    Precipitation is accurate to 0.01 inches except during freezing periods (about Dec. through early Apr.). The rain gage is unheated and uncovered. The precipitation data during freezing periods result from melting of snow (accumulated in the rain gage) during warm periods and do NOT represent actual precipitation. Precipitation totals during freezing periods May underestimate actual totals because the rain gage funnel may be full of snow (preventing further accumulation) or because snow in the funnel may sublimate instead of melt.

    Available Parameters Available Period
    All 4 Available Parameters for this site
    72019 WaterLevel, BelowLSD 2007-11-09  2012-11-04
    00010 Temperature, water 2007-10-01  2012-06-11
    00045 Precipitation 2007-10-01  2012-11-04
    62611 Water level, NAVD 2007-11-09  2012-11-04

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    Days  (7)

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    Summary of all available data for this site
    Instantaneous-data availability statement
    *** There are no data available on the Waterdata system for time period specified,
        although data may available in the files of the local USGS office operating the station.