New Septic System Installation in Bigfork, MT

New Systems in Bigfork

Most new homes in the Flathead Valley go up outside a sewer district, which means a new septic system is part of the build. We install complete residential septic systems across the valley: the tank, the lines, the drain field or whichever treatment system the ground calls for, and the Flathead County permit that has to come first. New construction here follows Montana DEQ rules through Flathead County Environmental Health, and the design depends on a site evaluation of your lot’s soil and groundwater. On a cobbly bench above the valley a conventional gravity system may be fine; on a lakeshore lot, a river bottom near Evergreen, or a parcel with shallow groundwater, the county may require a pressure-dosed, elevated sand mound or other engineered system, and the price and the layout change with it. We walk the lot with you before you commit, tell you what the ground will likely allow, handle the application and the inspections, and build a system sized for the house you are actually building, not the one the old permit described. We also replace systems that are past saving, on the same permit path.

Septic service in Bigfork

Bigfork sits where the Swan River empties into the northeast corner of Flathead Lake, about twenty minutes southeast of Kalispell, a resort village with a lot of lakeshore, a lot of second homes, and almost no sewer outside the village core. The homes along the lake at Woods Bay and down the east shore, the places up Swan Hill and along the Swan River, Eagle Bend and the golf-course neighborhoods, the ground north toward Creston and east toward Ferndale: nearly all of it runs on septic. Bigfork septic is lake septic. Flathead Lake water quality is watched closely, and aging shoreline systems are the first thing a buyer’s agent asks about. Lake lots here are often steep, stepping down from the road to the water, so the drain field sits above the house and an effluent pump does the lifting, and when that pump fails at a summer home in February nobody is there to hear the alarm. The soils run from cobbly glacial gravel on the benches to shallow, rocky ground along the shore where there was never much room for a field in the first place. Add a short-term rental market that fills a house every summer weekend, and you have systems that need an honest eye and a pumping schedule built around how the house is actually used. We pump, repair, inspect and install septic systems all over the Bigfork area. Tell us where the property is and what is going on and we will give you a straight answer.

• Flathead County Environmental Health permit application and inspections handled
• Site evaluation coordinated: soil, groundwater and setbacks read before design
• Conventional gravity, pressure-dosed and sand mound systems installed to the approved design
• Tank, lines, drain field and controls set and insulated for the frost depth
• Replacement systems for homes whose old field is past saving
• Final cover, risers at grade and an as-built record for the day you sell

Need new systems elsewhere? See all of our Bigfork services or new systems across the Flathead Valley.