Restroom Calculator

Need an estimate for how many porta potties your event needs? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

My event is estimated at attendees, for hours.
  • Will there be more women than men?
  • Will there be alcohol served?

Your Estimated Sanitation Services

Based on what you've told us, we've generated this estimate for your needs.

If you have more details or would like expert advice to make sure you get the best sanitation solution, please call us at 800.210.8407.

Estimated Standard Portable Restrooms Needed: 0
Estimated Hand Wash Stations Needed: 0
Estimated Enhanced Access Restrooms Needed: 0

Looking for a custom quote on those items?


Septic Services in Cromwell

Residential and Commercial Septic Services

Septic truck

Proudly a Family-Owned Business for 30+ Years.

Schedule your septic or holding tank pumping today!

Serving the following Counties – Aitkin, Carlton, Saint Louis, Lake (please contact us to confirm you’re in our service area)


Call us: 218.879.0121

Or request a service below:

Septic Service Request
Address of Tank that Needs Service
Address of Tank that Needs Service

``On Site has been my go to for the last eighteen years. They are always on time and give us professional service. I have given them a number of different sites to set up on over the years, and they always manage well. Really have no reason to go elsewhere. Great job On Site!``

- Anthony Loyal On Site Client

☆ 4.4 / 5  59 Ratings