DBA: Stamback Septic Service
Wac Llc is an active intrastate non-hazmat carrier based in Willcox, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 30 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 32 | ||
Distinct vehicles · 24 mo
vs 32 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 83% | 91% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 91% | 94% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 1 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 41 | 6 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | AZ | STRAIGHT TRUCK | 1 | 0 |
| Oct 14, 2025 | AZ | STRAIGHT TRUCK | 6 | 0 |
| Aug 29, 2025 | AZ | TRUCK TRACTOR | 2 | 0 |
| Jun 6, 2025 | AZ | STRAIGHT TRUCK | 3 | 0 |
Carriers that share an officer, phone, or email with this DOT.
Shared phone · 1
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.50 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 10 | 13.58 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state AZ accounts for 100% of activity. Activity outside home state (AZ): 0%.
| Unsafe Driving | 2 | 0 | 0 |
| Apr 2, 2025 |
| AZ |
| STRAIGHT TRUCK |
| 5 |
| 0 |
| Jan 31, 2025 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Dec 26, 2024 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Nov 19, 2024 | AZ | STRAIGHT TRUCK | 2 | 1 |
| Sep 18, 2024 | AZ | STRAIGHT TRUCK | 7 | 1 |
| Aug 19, 2024 | AZ | STRAIGHT TRUCK | 3 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Oct 14, 2025 | 39355D1B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 1997 and each single unit CMV on or after 1998. | Vehicle Maintenance | — |
| Oct 14, 2025 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |
| Oct 14, 2025 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Oct 14, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 14, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Oct 14, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Aug 29, 2025 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Aug 29, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Jun 6, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |