- (1) An adequate and safe wastewater system must be provided for conveying, treating, and disposing of all sewage from an establishment.
- (2) Immediate measures must be taken to alleviate health and sanitation hazards caused by wastewater at the establishment when they occur.
- (3) All wastewater must be disposed of by a public wastewater system approved by the Montana Department of Environmental Quality or by a private wastewater system constructed and operated in accordance to applicable state and local regulations.
(4) A wastewater system has failed and requires replacement or repair if any of the following conditions occur:
- (a) the system fails to accept, treat, or dispose of wastewater as designed;
- (b) the system displays surfacing effluent;
- (c) effluent from the wastewater system contaminates a potable water supply or state waters; or
- (d) the wastewater system experiences mechanical failure, including electrical outage, or collapse or breakage of a septic tank, lead line, or drainfield line.
- (5) Extension, alteration, replacement, or repair of any wastewater system must be done in accordance with all applicable state and local regulations.
Authorizing statute(s): 50-51-103, MCA
Implementing statute(s): 50-51-103, MCA
History: NEW, 1982 MAR p. 1049, Eff. 5/14/82; AMD, 1985 MAR p. 779, Eff. 6/28/85; TRANS, from DHES, 2001 MAR p. 2425; AMD, 2012 MAR p. 1042, Eff. 5/25/12; AMD, 2022 MAR p. 1750, Eff. 9/10/22.