FRS Facility Detail Report


DETYENS SHIPYARDS INCORPORATED

EPA Registry Id: 110001138634
2383 HWY 41
MOUNT PLEASANT, SC 29464


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
DETYENS SHIPYARDS INC SCD003350782 UNSPECIFIED UNIVERSE (N) RCRAINFO

ICIS-AIR (AIR)
DETYENS SHIPYARD INC. MT PLEASANT SC00004200074 AIR MAJOR ICIS 10/19/2014
SOUTH CAROLINA - ENVIRONMENTAL FACILITY INFORMATION SYSTEM
DETYENS SHIPYARDS INC SC0000000746 STATE MASTER SC-EFIS
SC-EFIS-0420-0074-CF
AIR PROGRAM
SC-EFIS-0420-0074
AIR MAJOR
SC-EFIS-1030005
DRINKING WATER SYSTEM
SC-EFIS-WQC-00231
401 CERTIFICATION/COASTAL ZONE MANAGEMENT
SC-EFIS-SCD003350782
HAZARDOUS WASTE PROGRAM
AIR FACILITY SYSTEM
DETYENS SHIPYARD INC. MT PLEASANT 4501500074 AIR MAJOR (PERMANENTLY CLOSED) AIRS/AFS 06/19/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DETYENS SHIPYARD WANDO YARD SC0033022 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
NPDES
3732
BOAT BUILDING AND REPAIRING

SC-EFIS
3731
SHIP BUILDING AND REPAIRING

NPDES
3731
SHIP BUILDING AND REPAIRING

AIRS/AFS
3731
SHIP BUILDING AND REPAIRING

Facility Codes and Flags

EPA Region: 04
Duns Number:
Congressional District Number: 01
Legislative District Number: TR
HUC Code/Watershed: 03050201 / COOPER
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
DETYENS SHIPYARD SC-EFIS
DETYENS SHIPYARD/WANDO YARD NPDES
DETYENS SHIPYARD INC. MT PLEASANT AIR
DETYENS SHIPYARDS/WANDO YARD NPDES PERMIT

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
DETYENS SHIPYARD INC
NPDES
View
ENGINEER
GENERAL ENGINEERING LABORATORIES
SC-EFIS
View
MAILING ADDRESS
DETYENS SHIPYARD/WANDO YARD
NPDES
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RCRAINFO 336611 SHIP BUILDING AND REPAIRING.
NPDES 336612 BOAT BUILDING.
SC-EFIS 336611 SHIP BUILDING AND REPAIRING.
AIRS/AFS 336611 SHIP BUILDING AND REPAIRING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS 1670 DRYDOCK AVE BLDG 236 N CHARLESTON SC 294052114 AIRS/AFS
MAILING ADDRESS 2550 HWY 52 MONCKS CORNER SC 29461 SC-EFIS
OTHER CONTACT 1670 DRYDOCK AVE NORTH CHARLESTON SC 294052121 SC-EFIS
FACILITY MAILING ADDRESS 2383 HWY 41 MOUNT PLEASANT SC 29464 RCRAINFO
PERMIT CONTACT 2383 HIGHWAY 41 MOUNT PLEASANT SC 29466 SC-EFIS
MAILING ADDRESS 2383 HWY 41 AT WANDO MOUNT PLEASANT SC 29466 SC-EFIS
MAILING ADDRESS 1670 DRYDOCK AVE BLDG 236 STE NORTH CHALRESTO SC 29405 NPDES
REGULATORY CONTACT 2383 HWY 41 MOUNT PLEASANT SC 29464 RCRAINFO
MAILING ADDRESS 2383 HWY 41 MOUNT PLEASANT SC 29464 SC-EFIS
OTHER CONTACT 2838 HWY 41 MT. PLEASANT SC 29464 SC-EFIS
OTHER CONTACT RT 2 BOX 180 MOUNT PLEASANT SC 29464 SC-EFIS
ENGINEER 2040 SAVAGE RD CHARLESTON SC 29407 SC-EFIS
OWNER 1670 DRYDOCK AVE NORTH CHARLESTON SC 29405 NPDES

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OTHER CONTACT
CRAWFORD, BRIAN
843-884-2811
SC-EFIS
View
OTHER CONTACT
STEWART, D LOY
803-884-2811
SC-EFIS
View
PERMIT CONTACT
MURPHY, BRIAN
843-746-1586
SC-EFIS
View
OTHER CONTACT
STERART


SC-EFIS
View
UNKNOWN CONTACT
WILLIAM M MARSHALL
8437461586
AIRS/AFS


COMPLIANCE CONTACT
WILLIAM M MARSHALL
8437461586
AIRS/AFS


Query executed on: OCT-14-2025