Carrier profile · USDOT 4094325 · Updated Jun 13, 2026
MOUNTAIN STATE SEPTIC LLC
DBA A-1 SANITATION
11 power unitsLocal · 1 statesKALISPELL, MT80/100
AUTHORITY STATUS UNKNOWN
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 175 JELLISON RD, KALISPELL, MT, 59901-6501
- Mailing address
- PO BOX 5371, KALISPELL, MT, 59903-5371
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (406) 755-3938
Registration
- Officer
- Dustin Daniel Thornton
- USDOT / docket
- 4094325
- First registered
- Jun 23, 2023
- Last MCS-150
- Jun 23, 2023
- FMCSA safety rating
- Not rated
- D-U-N-S
- 118200175
Fleet (self-reported · MCS-150)
—Annual mileage
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.