Section 401 WQC
Clean Water Act (CWA) Section 401 Water Quality Certification (WQC)
FREQUENTLY ASKED QUESTIONS
Q: When Do I Need a Section 401 Water Quality Certification?
A: A Section 401 WQC is required if your project/activity:
- Requires a federal permit, license, certificate, approval, registration, or statutory exemption, and
- May result in any discharge of a pollutant into State waters.
Q: I have received a letter from the Army Corps of Engineers that says no permit is required. Do I need a Section 401 WQC?
A: Maybe. It depends on the reason the Army Corps of Engineers determined that their permit was not necessary. See the following document to help determine whether you need a WQC.
Army Corps of Engineers No Permit Determinations