SIOUX TANK LINE INC
AUTHORIZEDUSDOT
230708
MC Number
166199
Fleet Size
12
Total Drivers
13
FMCSA-derived snapshot updated: September 13, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
Broker verification report
Want a verification report for this carrier?
Request your first CarrierOwl report free for SIOUX TANK LINE INC. We will use this DOT profile to show authority, insurance, safety, contact consistency, and timestamped notes your team can save before sending a rate con.
Safety overview
SIOUX TANK LINE INC is a small interstate motor carrier based in ALTON, Iowa, operating 12 power units with 13 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 0.0% comes in under the 6.7% national average. They have 1 crash on file (1 with injuries). FMCSA records show 5 inspections for this carrier.
Truck insurance quotes
Need insurance for this carrier?
Enter your details and we'll check whether an eligible licensed insurance partner is available. Submission does not guarantee a quote or coverage.
BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Iowa is 7.4% and the average vehicle OOS rate is 29.9% across 26,539 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- Yes
- Safety Rating Date
- N/A
Inspections
5
Total
63%
Driver %
Insurance on file
Liability (BIPD)
GREAT WEST CASUALTY CO. — eff. Apr 1, 2019
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Source: Legacy FMCSA. Verify current filings directly with FMCSA before relying on them.
Crash history
1
Total Crashes
Similar carriers in Iowa
Other carriers in the same state with a similar fleet size.
LANDSCAPES BY DESIGN INC
360 FEEDS LLC
METRO DEMOLITION INC
LAWRENCE F HANDLOS
T I P RURAL ELECTRIC COOPERATIVE
Frequently asked questions
Is SIOUX TANK LINE INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for SIOUX TANK LINE INC (USDOT #230708) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is SIOUX TANK LINE INC's safety record?
SIOUX TANK LINE INC has 5 inspections in CarrierOwl's current imported snapshot and 1 matching crash. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does SIOUX TANK LINE INC operate?
SIOUX TANK LINE INC operates 12 power units with 13 drivers on file. That makes them a small carrier.
Does SIOUX TANK LINE INC transport hazardous materials?
Yes. SIOUX TANK LINE INC is flagged for hazardous materials transportation with FMCSA. That means additional safety requirements and more frequent inspections.
Where is SIOUX TANK LINE INC located?
SIOUX TANK LINE INC is based in ALTON, Iowa at 1603 COMMERCIAL DR, 51003. Phone: (712) 756-4467.
What are SIOUX TANK LINE INC's out-of-service rates?
SIOUX TANK LINE INC's driver out-of-service rate is 0.0%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 0.0%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.