Rib Mountain Metropolitan Sewerage District

01/14/2026

Discover all that Rib Mountain Metro has to offer on our website!

Stay informed with the latest updates, explore our wide range of offerings, and connect with everything exciting happening here.

Visit us at https://ribmountainmetro.com today to see what’s waiting for you!

01/12/2026

RMMSD now has a public website that shows our eletricity generation from the solar array recently installed.

01/05/2026

RMMSD was in the Clarifier last year and now the online version is available at:

https://www.wwoa.org/images/clarifier/2025/June2025at32_web.pdf

11/13/2025

RMMSD is now receiving electricity from the solar array as of about noon on 13 November 2025. We expect to receive about 40% of our WWTP electricity needs from this array. The anticipated pay back period is 12 to 13 years.

09/11/2025

In goes the new larger methane fired boiler. This one was too big to go in through the door so had to cut a hole in the roof to get it inside the digester building.

09/11/2025

Out comes the old methane fired boiler. 40+ years of near continuous operation.

08/19/2025

The primary digester cover has been repaired and painted, so it was picked and placed back onto the digester today.

08/19/2025

Replace primary digester cover 19 August 2025.

05/19/2025

10/07/2024

RMMSD lost one of our Commissioners:

View James N. Pauls's obituary, send flowers, find service dates, and sign the guestbook.

07/02/2024

A visitor at the WWTP today.