U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Datums Page Page 1 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) FROM THE INTERSECTION OF US-90 AND PASCAGOULA ST IN PASCAGOULA, MS, FOLLOW PASCAGOULA ST SOUTH 0.3 MILES (0.5 KM) TO DELMAS AVE. TURN RIGHT AND CONTINUE WEST TO THE NOAA FACILITY, 0.4 MILES. THE GAUGE IS LOCATED ON THE NORTHERN SECTION OF THE PIER AND THE BENCH MARKS ARE LOCATED ON THE PROPERTY AND ALONG DELMAS AVE. T I D A L B E N C H M A R K S
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 2 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) T I D A L B E N C H M A R K S PRIMARY BENCH MARK STAMPING: 1429 B 1980 DESIGNATION: 874 1429 B ALIAS: NOS 1429 B 1980 MONUMENTATION: Bench Mark disk VM#: 18433 AGENCY: National Ocean Service (NOS) IDB PID: SETTING CLASSIFICATION: Stainless steel rod OPUS PID: LATITUDE: 30° 22.0' N ( 30.36681) LONGITUDE: 88° 33.8' W ( -88.56286) The primary bench mark is a disk located 7.0 m (23.0 ft) ESE of the east rail of the L and N railroad tracks, 7.0 m (23.0 ft) north of the centerline of Watts Road, 2.9 m (9.5 ft) west of the west point of the intersection of a 2.0 m (6.6 ft) high chainlink fence, and 0.3 m (1.0 ft) ESE of a power pole. The bench mark is set 0.1 m (0.3 ft) below ground level, crimped to the top of a steel rod driven 15.0 m (49.2 ft) to substantial resistance, and encased in a 4-inch PVC pipe and concrete kickblock.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 3 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) T I D A L B E N C H M A R K S BENCH MARK STAMPING: 1533 B 2005 DESIGNATION: 874 1533 B ALIAS: NOS 1533 B 2005 MONUMENTATION: Tidal Station disk VM#: 17962 AGENCY: National Ocean Service (NOS) IDB PID#: SETTING CLASSIFICATION: Concrete sea wall OPUS PID#: BBBG91 LATITUDE: 30° 22.1' N ( 30.36774) LONGITUDE: 88° 33.8' W ( -88.56294) The bench mark is a standard NOS disk located on the far eastern edge of a concrete sea wall and is 23.6 m (77.4 ft) west-southwest of the centerline of a boat ramp, 19.0 m (62.3 ft) northeast of a flagpole, and 3.1 m (10.2 ft) west of telephone pole 167.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 4 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) T I D A L B E N C H M A R K S BENCH MARK STAMPING: 1533 A 2005 DESIGNATION: 874 1533 A ALIAS: NOS 1533 A 2005 MONUMENTATION: Tidal Station disk VM#: 17963 AGENCY: National Ocean Service (NOS) IDB PID: SETTING CLASSIFICATION: Seawall OPUS PID#: BBCS56 LATITUDE: 30° 22.1' N ( 30.36813) LONGITUDE: 88° 33.8' W ( -88.56295) The bench mark is a disk set in the northern most end of a NOAA pier, located 10.0 m (32.8 ft) NNW of the northern most lamp post, 3.7 m (12.1 ft) west of a ladder on the NE corner of the NOAA pier and 3.5 m (11.5 ft) NE of the northern most bollard.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 5 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) T I D A L B E N C H M A R K S BENCH MARK STAMPING: 1429 D 1980 DESIGNATION: 874 1429 D ALIAS: NOS 1429 D 1980 MONUMENTATION: Bench Mark disk VM#: 18434 AGENCY: National Ocean Service (NOS) IDB PID: SETTING CLASSIFICATION: Stainless steel rod OPUS PID: LATITUDE: 30° 22.0' N ( 30.36642) LONGITUDE: 88° 33.7' W ( -88.56194) The bench mark is a disk located 12.0 m (39.4 ft) SSW of the centerline of Watts Avenue, 7.7 m (25.3 ft) west of a power pole, and 0.9 m (3.0 ft) NW of the NW edge of a NOAA sign. The bench mark is set 0.1 m (0.3 ft) below ground level, crimped to the top of a steel rod driven 15.0 m (49.2 ft) to substantial resistance, and encased in a 4-inch PVC pipe and concrete kickblock.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 6 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) T I D A L B E N C H M A R K S BENCH MARK STAMPING: F 189 1955 DESIGNATION: F 189 MONUMENTATION: Bench Mark disk VM#: 18435 AGENCY: USGS IDB PID#: BH0327 SETTING CLASSIFICATION: Surrounded by a mass of concrete OPUS PID: LATITUDE: 30° 22.0' N ( 30.36734) LONGITUDE: 88° 33.6' W ( -88.55937) The bench mark is a disk vertically set in the north face of a one story brick building at 262 West Delmas Ave., located 27.7 m (90.9 ft) south of the SE corner of the Louisville and Nashville Railroad Station, in the NW quarter of the intersection of south Magnolia Street and west Delmas Ave., and 0.34 m (1.12 ft) east of the NW corner of the building.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 7 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) T I D A L B E N C H M A R K S BENCH MARK STAMPING: Z 192 RESET 2000 DESIGNATION: Z 192 RESET MONUMENTATION: Vertical Control disk VM#: 18526 AGENCY: National Geodetic Survey (NGS) IDB PID#: DE7994 SETTING CLASSIFICATION: Bridge abutment OPUS PID: LATITUDE: 30° 22.3' N ( 30.37170) LONGITUDE: 88° 33.7' W ( -88.56170) The bench mark is a disk set in the north end of the east abutment of the new high rise bridge over the east Pascagoula River, located near the intersection of Pascagoula Street and Highway 90, 18.3 m (60.0 ft) SE of a brick structure from the old lighthouse - Lighthouse Park, 16 m (52.5 ft) south of the centerline of a sidewalk, 7.1 m (23.3 ft) west of the western pole supporting the inverstate overpass sign, 0.8 m (2.6 ft) east of a light pole near the wing wall of a bridge.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 8 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) T I D A L D A T U M S Tidal datums at PASCAGOULA NOAA LAB, PASCAGOULA RIVER based on: LENGTH OF SERIES: 10 YEARS TIME PERIOD: 03/07-02/12, 05/14-04/19 TIDAL EPOCH: 1983-2001 CONTROL TIDE STATION: 8729840 PENSACOLA, PENSACOLA BAY Elevations of tidal datums referred to Mean Lower Low Water (MLLW), in METERS: HIGHEST OBSERVED WATER LEVEL (10/08/2017) = 2.359 MEAN HIGHER HIGH WATER MHHW = 0.467 MEAN HIGH WATER MHW = 0.439 MEAN TIDE LEVEL MTL = 0.233 MEAN SEA LEVEL MSL = 0.231 North American Vertical Datum NAVD88 = 0.200 MEAN LOW WATER MLW = 0.026 MEAN LOWER LOW WATER MLLW = 0.000 LOWEST OBSERVED WATER LEVEL (01/14/2006) = -0.657 North American Vertical Datum (NAVD88) Bench Mark Elevation Information In METERS above: Stamping or Designation MLLW MHW 1429 B 1980 2.432 1.993 1533 B 2005 2.468 2.029 1533 A 2005 2.422 1.983 1429 D 1980 3.552 3.113 F 189 1955 4.811 4.372 Z 192 RESET 2000 6.078 5.639
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 9 of 9 Station ID: 8741533 PUBLICATION DATE: 10/21/2020 Name: PASCAGOULA NOAA LAB, PASCAGOULA RIVER MS NOAA Chart: 11389 Latitude: 30° 22.1' N ( 30.36778) USGS Quad: PASCAGOULA, SOUTH Longitude: 88° 33.8' W ( -88.56306) D E F I N I T I O N S Mean Sea Level (MSL) is a tidal datum determined over a 19-year National Tidal Datum Epoch. It pertains to local mean sea level and should not be confused with the fixed datums of North American Vertical Datum of 1988 (NAVD88). NAVD88 is a fixed datum derived from a simultaneous, least squares, minimum constraint adjustment of Canadian/Mexican/United States leveling observations. Local mean sea level observed at Father Point/Rimouski, Canada was held fixed as the single initial constraint. NAVD88 replaces NGVD29 as the national standard geodetic reference for heights. Bench mark elevations relative to NAVD88 are available from NGS through the World Wide Web at National Geodetic Survey. NGVD29 is a fixed datum adopted as a national standard geodetic reference for heights but is now considered superseded. NGVD29 is sometimes referred to as Sea Level Datum of 1929 or as Mean Sea Level on some early issues of Geological Survey Topographic Quads. NGVD29 was originally derived from a general adjustment of the first-order leveling networks of the U.S. and Canada after holding mean sea level observed at 26 long term tide stations as fixed. Numerous local and wide-spread adjustments have been made since establishment in 1929. Bench mark elevations relative to NGVD29 are available from the National Geodetic Survey (NGS) data base via the World Wide Web at National Geodetic Survey. NAVD88 and NGVD29 are fixed geodetic datums whose elevation relationships to local MSL and other tidal datums may not be consistent from one location to another. The Vertical Mark Number (VM#) and PID# shown on the bench mark sheet are unique identifiers for bench marks in the tidal and geodetic databases, respectively. Each bench mark in either database has a single, unique VM# and/or PID# assigned. Where both VM# and PID# are indicated, both tidal and geodetic elevations are available for the bench mark listed. The NGS's Integrated Data Base (IDB PID) provides geodetic datum based on traditionally leveled and bluebooked ties to the National Spatial Reference System(NSRS) https://www.ngs.noaa.gov/datasheets/. The NGS Online Positioning User Service (OPUS PID) provides geodetic datum based on GPS position & tie it to the NSRS https://www.ngs.noaa.gov/OPUS/. The NAVD88 elevation is shown on the Elevations of Tidal Datums Table Referred to MLLW only when two or more of the bench marks listed have NAVD88 elevations. The NAVD88 elevation relationship shown in the table is derived from an average of several bench mark elevations relative to tide station datum. As a result of this averaging, NAVD88 bench mark elevations computed indirectly from the tidal datums elevation table may differ slightly from NAVD88 elevations listed for each bench mark in the NGS database.