U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Datums Page Page 1 of 7
PUBLICATION DATE: 07/01/1996
Station ID: 8534720 SUPERCEDED DATE: 04/21/2003
Name: ATLANTIC CITY, ATLANTIC OCEAN
NEW JERSEY
NOAA Chart: 12318 Latitude: 39° 21.3' N
USGS Quad: ATLANTIC CITY Longitude: 74° 25.1' W
To reach the tidal bench marks from the intersection of the Atlantic City
Expressway and Pacific Avenue in Atlantic City, proceed north on Pacific Avenue
for 2.7 km (1.7 miles) to Virginia Avenue, turn right onto Virginia Avenue and
go one block to the Boardwalk and the steel pier (the Taj Mahal Pier). The
bench marks are along Pacific Avenue and the Boardwalk. The tide station is on
the SE corner of the steel pier.
T I D A L B E N C H M A R K S
PRIMARY BENCH MARK STAMPING: 4720 F 1991
MONUMENTATION: Tidal Station disk VM#: 10821
AGENCY: PID:
SETTING CLASSIFICATION: Concrete pier
The bench mark is set flush in concrete on the SW side of the 4th level of the
steel pier (the Taj Mahal Pier), 25.3 m (83.0 ft) WSW of the west corner of the
tide station, 8.6 m (28.2 ft) NW of the south corner of a chain link fence, and
1.4 m (4.6 ft) NE of the SW edge of the pier.
BENCH MARK STAMPING: 4720 H 1993
MONUMENTATION: Tidal Station disk VM#: 10352
AGENCY: PID#: DG5885
SETTING CLASSIFICATION: Concrete foundation
The bench mark is set in the top of the Taj Mahal sign foundation located at the
intersection of Pacific and Virginia Avenues, 34.4 m (112.9 ft) SE of the SE
corner of an abandoned building, 27.7 m (90.9 ft) west of the median strip on
Virginia Avenue, 17.0 m (55.8 ft) south of the centerline of Pacific Avenue, and
0.2 m (0.5 ft) above ground.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 2 of 7
PUBLICATION DATE: 07/01/1996
Station ID: 8534720 SUPERCEDED DATE: 04/21/2003
Name: ATLANTIC CITY, ATLANTIC OCEAN
NEW JERSEY
NOAA Chart: 12318 Latitude: 39° 21.3' N
USGS Quad: ATLANTIC CITY Longitude: 74° 25.1' W
T I D A L B E N C H M A R K S
BENCH MARK STAMPING: 30 1922 9.675
MONUMENTATION: Survey disk VM#: 10814
AGENCY: PID#: JU0311
SETTING CLASSIFICATION: Granite step
The bench mark is set flush in a granite stoop of the center entrance on the
west side of the school building at the intersection of Pacific and Ohio
Avenues, 33.8 m (111.0 feet) NNW of the centerline of Pacific Avenue, 18.5 m
(60.8 feet) NNW of the SW corner of the school building, 12.2 m (40.0 feet) ENE
of the centerline of Ohio Avenue, and 0.1 m (0.3 foot) above the ground.
BENCH MARK STAMPING: TIDAL 31 RESET 1973
MONUMENTATION: Bench Mark disk VM#: 10815
AGENCY: PID#: JU0315
SETTING CLASSIFICATION: Concrete sidewalk
The bench mark is set flush in the concrete sidewalk on the north side of
Pacific Avenue at the intersection of New York Avenue, 8.7 m (28.5 ft) SW of the
centerline of New York Avenue, 7.7 m (25.3 ft) SE of the center of the doorway
at the SE entrance to the Mid Atlantic National Bank, 6.6 m (21.7 ft) NW of the
centerline of Pacific Avenue, 1.5 feet (0.5 m) north of the north curb of
Pacific Avenue, and 0.2 m (0.5 ft) above the street.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 3 of 7
PUBLICATION DATE: 07/01/1996
Station ID: 8534720 SUPERCEDED DATE: 04/21/2003
Name: ATLANTIC CITY, ATLANTIC OCEAN
NEW JERSEY
NOAA Chart: 12318 Latitude: 39° 21.3' N
USGS Quad: ATLANTIC CITY Longitude: 74° 25.1' W
T I D A L B E N C H M A R K S
BENCH MARK STAMPING: 4720 B 1979
MONUMENTATION: Tidal Station disk VM#: 10816
AGENCY: PID#: JU4071
SETTING CLASSIFICATION: Stainless steel rod in sleeve
The primary bench mark is on the south side of Pacific Avenue at the Fire
Administration Headquarters between States and Maryland Avenues, 12.7 m (41.8
feet) SW of the centerline of States Avenue, 10.4 m (34.0 feet) SE of the
centerline of Pacific Avenue, 7.5 m (24.6 feet) north of the NE corner of the
building, and 1.7 m (5.5 feet) south of the north corner of a granite lawn
curbing. The bench mark is 0.1 m (0.3 foot) below ground level, crimped to a
stainless steel rod driven 9 m (30 feet) to refusal, and encased in a 4-inch PVC
pipe and concrete kickblock.
BENCH MARK STAMPING: 4720 C 1981
MONUMENTATION: Tidal Station disk VM#: 10817
AGENCY: PID:
SETTING CLASSIFICATION: Concrete sidewalk
The bench mark is set flush in the concrete sidewalk near the intersection of
Pennsylvania Avenue and the Boardwalk, 33.8 m (111.0 feet) west of the NE corner
of Resorts Casino, 5.3 m (17.4 feet) WSW of a 1.5 m (5.0 feet) high concrete
wall, 1.1 m (3.5 feet) north of the second door leading into the north side of
the casino, and level with the sidewalk.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 4 of 7
PUBLICATION DATE: 07/01/1996
Station ID: 8534720 SUPERCEDED DATE: 04/21/2003
Name: ATLANTIC CITY, ATLANTIC OCEAN
NEW JERSEY
NOAA Chart: 12318 Latitude: 39° 21.3' N
USGS Quad: ATLANTIC CITY Longitude: 74° 25.1' W
T I D A L B E N C H M A R K S
BENCH MARK STAMPING: 27659 FINE
MONUMENTATION: Survey disk VM#: 10820
AGENCY: PID#: JU4072
SETTING CLASSIFICATION: Column foundation
The bench mark is set in the north face of the James Salt Water Taffy Shop (at
the NE corner of the Resorts International Hotel-Casino) at the intersection of
the Boardwalk and Pennsylvania Avenue, 18.5 m (60.7 feet) west of a fire
hydrant, 5.0 m (16.4 feet) WSW of the SW corner of a 1.2 m (4.0 feet) high
concrete wall, and 0.4 m (1.2 feet) NNW of the SW face of the building. The
bench mark is set vertically 0.1 m (0.3 foot) above the boardwalk.
BENCH MARK STAMPING: 4720 G 1991
MONUMENTATION: Tidal Station disk VM#: 10822
AGENCY: PID:
SETTING CLASSIFICATION: Concrete pier
The bench mark is set in concrete in the NW corner of the steel pier (the Taj
Mahal Pier), 30.5 m (100.1 ft) WSW of an amusement stand, 17.3 m (56.8 ft) SSW
of the southernmost square support column, and 0.9 m (3.0 ft) SE of the NW wall.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 5 of 7
PUBLICATION DATE: 07/01/1996
Station ID: 8534720 SUPERCEDED DATE: 04/21/2003
Name: ATLANTIC CITY, ATLANTIC OCEAN
NEW JERSEY
NOAA Chart: 12318 Latitude: 39° 21.3' N
USGS Quad: ATLANTIC CITY Longitude: 74° 25.1' W
T I D A L B E N C H M A R K S
BENCH MARK STAMPING: NO STAMPING 1
MONUMENTATION: Chiseled Cross VM#: 11018
AGENCY: PID#: JU0312
SETTING CLASSIFICATION: Granite step
The bench mark is a chiseled cross in a granite step on the south side of the
entrance to the Atlantic City Building Department located at the intersection of
Pacific Avenue and Martin Luther King Boulevard, 19.15 m (62.83 ft) north of the
north curbline of Pacific Avenue, 4.4 m (14.4 ft) east of the east curbline of
Martin Luther King Boulevard, 3.05 m (10.01 ft) south of the centerline of the
doorway, 1.05 m (3.44 ft) east of the west end of the step siding, and 0.6 m
(2.0 ft) above the sidewalk. This bench mark is designated as TIDAL 23.
BENCH MARK STAMPING: 4720 I 1993
MONUMENTATION: Tidal Station disk VM#: 11019
AGENCY: PID:
SETTING CLASSIFICATION: Loading bay foundation
The bench mark is set in a loading bay foundation on the east side of a Quality
Inn located at the intersection of Pacific and South Carolina Avenues, 31.4 m
(103.0 ft) SW of the parking garage in the Tannen Tower building located at the
intersection of Pacific and Chalfonte Avenues, 4.8 m (15.7 ft) NNW of the steps
leading to the loading bay, 3.8 m (12.5 ft) south of the inn's maintenance
entrance, and 0.7 m (2.2 ft) above ground.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 6 of 7
PUBLICATION DATE: 07/01/1996
Station ID: 8534720 SUPERCEDED DATE: 04/21/2003
Name: ATLANTIC CITY, ATLANTIC OCEAN
NEW JERSEY
NOAA Chart: 12318 Latitude: 39° 21.3' N
USGS Quad: ATLANTIC CITY Longitude: 74° 25.1' W
T I D A L D A T U M S
Tidal datums at ATLANTIC CITY, ATLANTIC OCEAN based on:
LENGTH OF SERIES: 15 YEARS
TIME PERIOD: 1960-69, 1972-76
TIDAL EPOCH: 1960-1978
CONTROL TIDE STATION:
Elevations of tidal datums referred to Mean Lower Low Water (MLLW), in METERS:
HIGHEST OBSERVED WATER LEVEL (12/11/1992) = 2.847
MEAN HIGHER HIGH WATER MHHW = 1.426
MEAN HIGH WATER MHW = 1.295
* North American Vertical Datum NAVD88 = 0.906
MEAN SEA LEVEL MSL = 0.680
MEAN TIDE LEVEL MTL = 0.671
MEAN LOW WATER MLW = 0.049
MEAN LOWER LOW WATER MLLW = 0.000
LOWEST OBSERVED WATER LEVEL (01/10/1978) = -1.253
* NAVD is based on elevations published in 1995 and NOS leveling of 1995.
North American Vertical Datum (NAVD88)
Bench Mark Elevation Information In METERS above:
Stamping or Designation MLLW MHW
4720 F 1991 9.151 7.856
4720 H 1993 3.406 2.111
30 1922 9.675 3.446 2.151
TIDAL 31 RESET 1973 3.026 1.731
4720 B 1979 3.108 1.813
4720 C 1981 2.599 1.304
27659 FINE 4.760 3.465
4720 G 1991 5.662 4.367
NO STAMPING 1 3.751 2.456
4720 I 1993 5.232 3.937
Foot Notes:
Caution: Elevations of bench mark 4720 I 1993 were established by only one
2nd-order differential leveling as of the date of this publication.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 7 of 7
PUBLICATION DATE: 07/01/1996
Station ID: 8534720 SUPERCEDED DATE: 04/21/2003
Name: ATLANTIC CITY, ATLANTIC OCEAN
NEW JERSEY
NOAA Chart: 12318 Latitude: 39° 21.3' N
USGS Quad: ATLANTIC CITY Longitude: 74° 25.1' W
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 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.