Section 13266 Of Article 4. Waste Discharge Requirements From California Water Code >> Division 7. >> Chapter 4. >> Article 4.

. Pursuant to such regulations as the regional board may prescribe, each city, county, or city and county shall notify the regional board of the filing of a tentative subdivision map, or of any application for a building permit which may involve the discharge of waste, other than discharges into a community sewer system and discharges from dwellings involving five-family units or less.