Serving Kalispell & the Flathead Valley Call (406) 607-8740

Drain field

Drain field repair in Kalispell

Soggy yards, sewage odors, and water that will not leave the tank usually start in the leach field. We evaluate, repair when we can, and plan a permitted replacement when the soil is done.

Flathead drain-field failures

Clay lenses, spring melt, and fields installed decades ago without modern groundwater data are common failure drivers around Kalispell, Evergreen, and the lake towns. A proper evaluation separates a clogged lateral from a field that needs a new permitted footprint.

Lake-adjacent parcels near Bigfork, Lakeside, and Somers face tighter water-quality scrutiny. Repairs and replacements there must respect setbacks from surface water as well as wells.

Drain field trenches under evaluation near Kalispell, Montana

What we look for on site

  • Standing water or lush wet strips over trenches
  • Odors after rain or snowmelt
  • Distribution box level and lateral integrity
  • Evidence the tank is actually empty and baffles are intact

Call (406) 607-8740. Describe the yard symptoms and whether backups reach fixtures inside the house.

Excavation around a failing Flathead County leach field

Drain field questions

How do I know the problem is the drain field and not the tank?

A full tank with a high sludge layer can mimic field failure. After pumping and a tank inspection, water that still will not leave, soggy trenches, or sewage odors over the field usually point to the leach field.

Can a drain field be repaired without a full replacement?

Sometimes distribution boxes, crushed laterals, or a resting/replacement area can restore function. When biomat has sealed the soil across the whole field, Flathead often requires a permitted new field.

Does high groundwater in Flathead kill drain fields?

Seasonal high water can saturate trenches and push effluent to the surface. That is why groundwater monitoring is common before new fields are approved. A field installed too low for today’s measured high water may need a raised or alternative design.

Request drain field repair

Tell us what’s going on and we’ll get you scheduled. Include the town and the job you need. A street address is not required on this form.

Need septic installation in Kalispell?

Tell us what’s going on and we’ll get you scheduled.

Call (406) 607-8740