The form below is for anyone who is building a new house or structure that will have an onsite wastewater disposal (aka septic) system. The form is also for any property owner that needs to replace parts of the septic system (i.e. new tank, or new leachfield). Liberty County follows Montana DEQ Circular 4. Please contact the county Sanitarian, Sarah Robbin,  at 719-433-6137 or sarahrobbin1@gmail.com for more information. Click on the button below to view the form.