Hennessey Septic Tank Service Llc (DOT# 1881603) – FMCSA Carrier Profile
DOT# 1881603● Active
Updated monthly · 2026-03-09
This carrier is active with no crashes on record.
Hennessey Septic Tank Service Llc is a registered motor carrier with the FMCSA under USDOT number 1881603. The company operates from Hennessey, OK and maintains an active operating status with 6 power units and 6 drivers on record.
Safety Rating
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Company Information
Address19203 E 650 Rd, Hennessey, OK, 73742
Phone(405) 853-1367
EmailHSSYSEPTIC@YAHOO.COM
Entity TypePrivate Property
OperationIntrastate (Non-Hazmat)
Power Units6(Small carrier)
Drivers6
MCS-150 FiledMarch 21, 2024
Annual Mileage100,000 mi (2023)
Inspection Summary
All-time Inspections
All-time7
Total
3
OOS
3
Driver OOS
0
Vehicle OOS
7 inspections — relatively low volume, which may indicate a smaller or newer carrier.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 42.9% — above the national vehicle OOS average of ~21%. Review BASICS scores below.
Crash History
✅No crashes reported (FMCSA data)
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Frequently Asked Questions
What is USDOT Number 1881603?
USDOT number 1881603 is assigned to Hennessey Septic Tank Service Llc, an active motor carrier registered with the FMCSA, based in Hennessey, OK.
How many inspections has Hennessey Septic Tank Service Llc had?
Hennessey Septic Tank Service Llc has recorded 7 total inspections with 3 out-of-service orders, representing an OOS rate of 42.86%.
Where is Hennessey Septic Tank Service Llc located?
Hennessey Septic Tank Service Llc is headquartered at 19203 E 650 Rd, Hennessey, OK 73742.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 1881603 · Last updated: 2026-03-09. View official FMCSA record →