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401certs@tceq.texas.gov
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401 Certification Reviews

The TCEQ conducts Section 401 certification reviews of projects requiring a Section 404 permit from the U.S. Army Corps of Engineers for the discharge of dredged or fill material into waters of the U.S., including wetlands.

The Texas Commission on Environmental Quality (TCEQ) is responsible for conducting Section 401 certification reviews of U.S. Army Corps of Engineers Section 404 permit applications for the discharge of dredged or fill material into waters of the United StatesExit TCEQ (U.S.), including wetlands. The TCEQ is the lead state agency that administers the Section 401 certification program in Texas except with respect to oil and gas exploration, which is the responsibility of the Railroad Commission of TexasExit TCEQ. The purpose of these certification reviews is to determine whether a proposed discharge will comply with state water quality standards.

Types of 401 Certifications

Tier I Projects

Forms and information for projects that are less than 1,500 linear feet of stream, 3 acres of waters of the US (or a combination of the two) and do not affect rare and ecologically significant wetlandsAdobe Acrobat PDF Document. (Help with PDF files.)

Tier II Projects

The form for a project which affects ecologically significant wetlands of any size, are greater than 1,500 linear feet of stream, are greater than 3 acres of water of the US, or otherwise not appropriate for Tier I reviews.

Nationwide Permits

Forms and information for projects that affect small areas of waters of the US and are for specific activities.