Bench Mark Summary
08 Feb 2023 14:26 UTC 2023039+14:26 UTC
Overview Datums Bench Marks Data Query Site Visit Daily QC Messages Attributes
018: Port Isabel
Brownsville, Texas
26° 3' 40" N   97° 12' 55" W
National Oceanic and Atmospheric Administration (NOAA)
National Water Level Observation Network (NWLON)


Mark 018.005 - 9770B 1998

Mark ID:018.005 Accepted Elev:3.999
SPSN:1827 Disposition:good
NGS PID:    
Date Established:1998 Established By:TAMUCC - CBI
Stamping:9770B 1998 Location:
Monumentation: Nearest Town:Port Isabel
Type of Mark: County:Cameron
Setting Class: State:TX
The bench mark is a flange-encased stainless steel rod west of port Road 100 m (328 ft) north of the chainlink fence area for the san Benito Navigation district cargo dock, 27.70 m (90.88 ft) NNW (330 magnetic) of the wooden light pole # A7096, 21.40 m (70.21 ft) WSW (246 magnetic) of the centerline of Port Road, 10.90 m (35.76 ft) WNW (300 magnetic) of the centerline of a paved drive to a parking area for Texas Pack, and 2.85 m (9.35 ft) ENE (65 magnetic) of the wooden fence post at the SE corner of the Amareda Hess property. The datum point, being the top of a stainless steel rod driven 17.7 m (58 ft) to refusal, and encased in a 5-inch NOS logo cap, PVC, and concrete kickblock.
updated 2009336+1755 by dmartin
Page last modified on May 15, 2009, at 10:09 AM
Texas A&M-University Corpus Christi Texas A&M University-Corpus Christi
T h e    I s l a n d    U n i v e r s i t y
6300 Ocean Drive, Corpus Christi, Texas 78412-5503
Privacy Statement