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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Higganum Septic Tank Company
DOT 641520 · Higganum, CT
Report generated: June 9, 2026 at 7:30 AM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Higganum Septic Tank Company (DOT 641520) is a Connecticut-based intrastate carrier headquartered in Higganum, CT. As of June 9, 2026 at 7:30 AM, operating authority is active but without for-hire authority. TruckGraph has detected 1 risk signal on this carrier, including: no active insurance filing on record. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 9, 2026 at 7:30 AM.

FMCSA Public Record
William M Riebold
Operating as: Higganum Septic Tank Company
DOT Number641520
MC Number—
Street244 CANDLEWOOD HILL ROAD
City / StateHigganum, CT 06441
Phone8603452590
Operation typeIntrastate
HazmatNot authorized
Authority age30 yr 1 mo
MCS-150 filed08/22/2013
Company officerWilliam M Riebold
Power units2
Total drivers1
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●No active insurance filing on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
Network Intelligence Map
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Power Units
2
Fleet
Drivers
1
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
30 yr 1 mo
Since 1996
Inspection History
0 total · No inspections

No inspection records on file.

Crash History
0 total on record

No crash records on file.

Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
244 CANDLEWOOD HILL ROAD, Higganum, CT, 06441 · Open in Maps →
244 CANDLEWOOD HILL ROAD, HIGGANUM, CT, 06441Open in Maps →
Authority Timeline
Authority GrantedMay 1996
FMCSA issued operating authority
Active USDOT — No for-hire authorityCurrent
USDOT record is active but no for-hire operating authority is currently granted

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

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Frequently Asked Questions

Is William M Riebold authorized to operate?

William M Riebold's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is William M Riebold's safety record?

William M Riebold does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does William M Riebold operate?

William M Riebold operates 2 power units with approximately 1 drivers.

Is William M Riebold insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has William M Riebold had any risk indicators?

William M Riebold has a risk score of 0/100 (Monitor) with 1 active risk signal. Review the risk section above and verify independently before tendering.

What is the DOT number for William M Riebold?

William M Riebold's DOT number is 641520. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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Cite this page

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Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Higganum Septic Tank Company Safety Record, DOT 641520. Retrieved from https://truckgraph.com/carriers/641520
MLA
"Higganum Septic Tank Company Safety Record, DOT 641520." Truck Graph, Jun 9, 2026, https://truckgraph.com/carriers/641520
Chicago
"Higganum Septic Tank Company Safety Record, DOT 641520." Truck Graph. Last modified June 9, 2026. https://truckgraph.com/carriers/641520