Current through Register Vol. 60, No. 12, December 1, 2021
General Standards. All self-contained,
nonwater-carried toilet facilities must comply with the following requirements.
(a) They must have water-tight chambers
constructed of reinforced concrete, plastic, fiberglass, metal, or other
material of acceptable durability and corrosion resistance, approved by the
department, and designed to facilitate the removal of the wastes.
(b) Black wastes must be stored in an
appropriate chamber until removal for final treatment elsewhere. Wastes must be
removed from the chamber whenever necessary to prevent overflow.
(c) Chemicals containing heavy metals such as
copper, cadmium, and zinc, must not be used in self-contained toilet
(d) All surfaces
subject to soiling must be impervious, easily cleanable, and readily
(a) The capacity of vaults
must be at least 350 gallons or, in places of employment, 100 gallons per
(b) Caustic must be added
routinely to vault chambers to control odors.
Chemical Toilet Facilities.
(a) Toilet bowls must be constructed of
stainless steel, plastic, fiberglass, ceramic, or other material approved by
(b) Waste passages
must have smooth surfaces and be free of obstructions, recesses, or cross
braces that would restrict or interfere with flow of black wastes.
(c) Biocides and oxidants must be added to
waste detention chambers at rates and intervals recommended by the chemical
manufacturer and approved by the department.
(d) Chambers and receptacles must provide a
minimum storage capacity of 50 gallons per seat.
(e) Portable shelters housing chemical
toilets must display the business name of the licensed sewage disposal service
that is responsible for servicing them.
Or. Admin. R.
DEQ 10-1981, f. & ef.
3-20-81; DEQ 9-1984, f. & ef. 5-29-84; DEQ 11-2004, f. 12-22-04, cert. ef.
Stat. Auth.: ORS 454.625 & 468.020
Stats. Implemented: ORS 454.615 &