Environmental

Indiana's Clean Water Act Section 401 Water Quality Certification is required when:

AA property is sold within 500 feet of a water body
BA federal permit (such as a Section 404 dredge/fill permit) that may result in a discharge to Indiana waters is sought✓ Correct
CA septic system is installed near a stream
DA residential well is drilled near a navigable waterway

Explanation

Indiana's 401 Water Quality Certification is required before a federal permit authorizing a discharge to state waters (such as filling a wetland under Section 404) can be issued, ensuring the activity meets Indiana water quality standards.

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