FRS Facility Detail Report


TRI-COUNTY MATERIALS

EPA Registry Id: 110056438396
3701 BAY ROAD
DOVER, DE 19901


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:
ICIS-AIR (AIR)
TRI-COUNTY MATERIALS, LLC DE0000001000100259 AIR SYNTHETIC MINOR ICIS 11/14/2014
AIR FACILITY SYSTEM
TRI-COUNTY MATERIALS, LLC 1000100259 AIR SYNTHETIC MINOR (OPERATING) AIRS/AFS 09/16/2014
EMISSION INVENTORY SYSTEM (EIS)
TRI-COUNTY MATERIALS 17120411 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 01/08/2025

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIR
2951
ASPHALT PAVING MIXTURES AND BLOCKS

AIRS/AFS
2951
ASPHALT PAVING MIXTURES AND BLOCKS

Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 01
Legislative District Number:
HUC Code/Watershed: 02040207 / BROADKILL-SMYRNA
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

No Alternative Names returned.

Organizations

No Organizations returned.

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
EIS 324121 ASPHALT PAVING MIXTURE AND BLOCK MANUFACTURING.
AIRS/AFS 324121 ASPHALT PAVING MIXTURE AND BLOCK MANUFACTURING.
AIR 324121 ASPHALT PAVING MIXTURE AND BLOCK MANUFACTURING.

Facility Mailing Addresses

No Facility Mailing Addresses returned.

Contacts

No Contacts returned.

Query executed on: OCT-14-2025