Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 12 - DESIGN AND CONSTRUCTION STANDARDS FOR PUBLIC WATER SUPPLIES
Section 12-3 - Timing of Compliance with These Regulations

Any facility covered by an individual or general permit issued pursuant to Water Quality Rules, Chapter 3, prior to the effective date of this Chapter shall remain covered under that permit. New construction or modification of existing permitted facilities must obtain authorization under a new permit, in accordance with Water Quality Rules Chapter 3, Section 4(d) or Section 5(e), subject to the requirements of this Chapter.