FILTREXX FEDERAL AND STATE APPROVALS
Filtrexx products meet or exceed all specifications for federal and state approvals.
In fact, Filtrexx research was used to develop most of the specifications for compost filter sock used by Federal, State, and local agencies. View the entire list of approvals we have obtained below.
Regulatory compliance may depend on individual federal/state regulations. Please contact your individual agency for complete specifications. This page was last updated on August 23, 2022.
FEDERAL APPROVALS
American Associationof State Highway and Transportation Officials
VIEW APPROVAL DOCUMENTATION
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The United States Army Corps of Engineers
VIEW APPROVAL DOCUMENTATION
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STATE APPROVALS
ALABAMA
ALDOT: Approved
ALASKA
DOT: Approved (at discretion of project engineer/contractor)
ARIZONA
ADOT: Approved
ARKANSAS
AHTD: Approved
CALIFORNIA
Caltrans: Approved
CalEPA: Approved
CASQA: Approved
CONNECTICUT
ConnDOT: Approved
COLORADO
CDOT: Approved
DELAWARE
DelDOT: Approved
DNREC: Approved
FLORIDA
FDOT: Approved
DEP: Accepted in FL Stormwater Erosion & Sedimentation Control Inspectors Manual
GEORGIA
GDOT: Specified, section 893 & 163
GSWCC: Accepted in State E&SC Manual
HAWAII
HDOT: Approved
IDAHO
ITD: Approved
ILLINOIS
IDOT: Under evaluation
INDIANA
INDOT: Approved
IOWA
IADOT/SUDAS: Approved
DNR: Approved
KANSAS
KSDOT: Approved ntractor)
KENTUCKY
KYTC: Approved (at the discretion of project engineer/contractor)
LOUISIANA
LADOTD: Approved (at the discretion of project engineer/contractor)
MAINE
MaineDOT: Approved, products on QPL
MARYLAND
MDOT: Under review
MDE: Approved
Montgomery County: Approved
MASSACHUSSETTS
MassDOT: Approved, specified
MICHIGAN
MDOT: Approved
MINNESOTA
MnDOT: Approved
MISSISSIPPI
MDOT: Approved
MISSOURI
MODOT: Approved
MONTANA
MDOT: Approved (at the discretion of project engineer/contractor)
NEBRASKA
NDOT: Approved
NEVADA
NDOT: Approved
NEW HAMPSHIRE
NHDOT: Approved, Filtrexx® products on QPL
NEW JERSEY
NJ Dept of Agriculture: Approved as equivalent to silt fence & straw bale
NEW MEXICO
NMDOT: Approved
NEW YORK
NYSDOT: Approved
NYSDEC: Approved
NORTH CAROLINA
NCDOT: Approved for use (NP-04430)
DENR: Approved
NORTH DAKOTA
NDDOT: Approved
OHIO
ODOT: Under review
Ohio EPA: Approved
OKLAHOMA
ODOT: Approved (at the discretion of project engineer/contractor)
OREGON
ODOT: Specified, Filtrexx® products on QPL
PENNSYLVANIA
PennDOT: Approved
DEP: Approved, specified
RHODE ISLAND
RIDOT/DEM: Approved
SOUTH CAROLINA
SCDOT: Approved, Filtrexx® products on QPL
SOUTH DAKOTA
SDDOT: Approved
TENNESSEE
TDOT: Approved
Knox County: Approved
City of Chattanooga: Approved
TEXAS
TxDOT: Approved, specified
TNRCC: Approved, specified
TCEQ: Approved, specified
UTAH
UDOT: Approved
VERMONT
VTrans: Approved
VIRGINIA
VDOT: Approved
WASHINGTON
WSDOT: Approved, SiltSoxx and DitchChexx on QPL
DOE: Approved
WEST VIRGINIA
WVDOT: Approved
WISCONSIN
WisDOT: Approved, SiltSoxx™ and DitchChexx™
WYOMING
WYDOT: Approved (at the discretion of project engineer/contractor)