Cal. Code Regs. tit. 25, § 2358 – Drain, Unit.

(a) Drain connectors and fittings for recreational vehicles shall be listed and approved for drain and waste.
(b) Recreational vehicles located in a park for more than 3 months, or units with plumbing that are not self-contained, shall be connected to the lot drain inlet by means of a drain connector consisting of approved pipe not less than schedule 40, with listed and approved fittings and connectors, and shall not be less in size than the unit drain outlet. A listed and approved flexible connector shall be provided at the lot drain inlet end of the pipe.
(c) A drain connector shall be gas-tight and no longer than necessary to make the connection between the unit's drain outlet and the drain inlet on the lot.
(d) Vehicles occupying lots without drain inlets shall have the drain outlet of the vehicle capped gas-tight, unless discharged into an approved, closed, vented container.

Note: Authority cited: Section 18865, Health and Safety Code. Reference: Sections 18871 and 18873.1, Health and Safety Code.

1. New section filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).