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Groundwater levels for the Nation

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USGS 405911095302302 071N41W04AAAA 27836 1986IGS & USGS SW-36B(L)

Mills County, Iowa
Latitude  40°59'11", Longitude  95°30'23" NAD27
Land-surface elevation 997 feet above NGVD29
The depth of the well is 62 feet below land surface.
The depth of the hole is 69 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Holocene Alluvium (111ALVM) local aquifer.
Output formats
Table of data
Tab-separated data
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Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code 		Water
level,
feet
below
land
surface		 Water
level,
feet
above
specific
vertical
datum		 Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1990-06-1319:30 UTCm62610 982.56NGVD291S  A
1990-06-1319:30 UTCm62611 982.84NAVD881S  A
1990-06-1319:30 UTCm7201914.44  1S  A
1992-08-0717:40 UTCm62610 985.91NGVD291S  A
1992-08-0717:40 UTCm62611 986.19NAVD881S  A
1992-08-0717:40 UTCm7201911.09  1S  A
1992-11-0315:45 UTCm62610 984.21NGVD291S  A
1992-11-0315:45 UTCm62611 984.49NAVD881S  A
1992-11-0315:45 UTCm7201912.79  1S  A
1993-02-0122:20 UTCm62610 985.94NGVD291S  A
1993-02-0122:20 UTCm62611 986.22NAVD881S  A
1993-02-0122:20 UTCm7201911.06  1S  A
1993-05-0721:30 UTCm62610 988.48NGVD291S  A
1993-05-0721:30 UTCm62611 988.76NAVD881S  A
1993-05-0721:30 UTCm720198.52  1S  A
1993-08-0521:55 UTCm62610 994.69NGVD291S  A
1993-08-0521:55 UTCm62611 994.97NAVD881S  A
1993-08-0521:55 UTCm720192.31  1S  A
1993-10-2921:30 UTCm62610 992.35NGVD291S  A
1993-10-2921:30 UTCm62611 992.63NAVD881S  A
1993-10-2921:30 UTCm720194.65  1S  A
1994-02-0420:35 UTCm62610 988.01NGVD291S  A
1994-02-0420:35 UTCm62611 988.29NAVD881S  A
1994-02-0420:35 UTCm720198.99  1S  A
1994-05-0521:30 UTCm62610 986.35NGVD291S  A
1994-05-0521:30 UTCm62611 986.63NAVD881S  A
1994-05-0521:30 UTCm7201910.65  1S  A
1994-07-2621:30 UTCm62610 988.11NGVD291S  A
1994-07-2621:30 UTCm62611 988.39NAVD881S  A
1994-07-2621:30 UTCm720198.89  1S  A
1994-11-1014:58 UTCm62610 983.76NGVD291S  A
1994-11-1014:58 UTCm62611 984.04NAVD881S  A
1994-11-1014:58 UTCm7201913.24  1S  A
1995-05-1721:10 UTCm62610 991.17NGVD291S  A
1995-05-1721:10 UTCm62611 991.45NAVD881S  A
1995-05-1721:10 UTCm720195.83  1S  A
1995-08-0320:45 UTCm62610 989.64NGVD291S  A
1995-08-0320:45 UTCm62611 989.92NAVD881S  A
1995-08-0320:45 UTCm720197.36  1S  A
1995-11-0823:22 UTCm62610 984.03NGVD291S  A
1995-11-0823:22 UTCm62611 984.31NAVD881S  A
1995-11-0823:22 UTCm7201912.97  1S  A

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.