The Commissioner shall regulate the following activities to the exclusion of the local inland wetlands agencies:

1. (1) Construction or modification of any dam, pursuant to Sections 25-110 and 25-112 of the General Statutes, as amended;
2. (2) Construction or placement of any obstruction within channel encroachment lines, pursuant to Sections 25-4a to g of the General Statutes, as amended;
3. (3) Construction or placement of any structure or obstruction within tidal, coastal and navigable waters, pursuant to Sections 25-7b to e of the General Statutes, as amended;
4. (4) Diversion of water for public and domestic use, pursuant to Sections 25-8a to e of the General Statutes, as amended;
5. (5) Discharges into waters of the state, pursuant to Section 25-54i of the General Statutes, as amended.

(Effective February 25, 1974)