RM of Coteau No. 255

The Rural Municipality of Coteau No. 255 is a rural municipality in the province of Saskatchewan within Census Division No. 7 and SARM Division No. 3. The RM of Coteau No. 255 incorporated as a rural municipality on December 12, 1910. The RM's eastern boundary runs along the shore of Lake Diefenbaker.

Notices

RM Will Be Closed On These Dates

3 March 2026

THE RM OFFICE WILL BE CLOSED: WEDNESDAY MARCH 4 AND TUESDAY MARCH 10 – THURSDAY MARCH 12 FOR SARM CONVENTION

Potential Sale of Birsay Hall

2 March 2026

Notice to Irrigators

18 February 2026

Public Notice – Feb 9 2026

9 February 2026

Public Notice to change LS (sheds) Public Notice to change LS2 (sheds) Public Notice to change RR (sheds)…

Waste Transfer Station Information

26 September 2025

RM Shop Grand Opening

11 May 2025

RM OF COTEAU NO 255 Thank you to everyone who attended the RM shop grand opening. It was great to…

New Website

18 March 2025

Welcome to the new website for the RM of Coteau! Check back regularly as we add more information, as well…

RM of Coteau

Welcome to the R.M. of Coteau No. 255, located in Saskatchewan on the north west side of Lake Diefenbaker.
With a population of 401, this R.M. boasts gorgeous prairie and lake views.
The RM office is located in the Hamlet of Birsay.

Box 30
Birsay, SK
S0L 0G0
Email: rm255@sasktel.net
Phone: (306) 573-2047