Westar Environmental Llc is an active interstate carrier based in Santan Valley, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 7 | 0 | 0 |
| Tractors | 7 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 7 | ||
Distinct vehicles · 24 mo
vs 7 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 | 0% | 0% | Better 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 | 98% | 98% | 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 | 12 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 68 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 3, 2026 | AZ | TRUCK TRACTOR | 11 | 1 |
| Jan 22, 2026 | AZ | TRUCK TRACTOR | 3 | 0 |
| Sep 17, 2025 | AZ | TRUCK TRACTOR | 7 | 2 |
| Aug 19, 2025 | AZ | TRUCK TRACTOR | 9 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 13 | 19.40 | — |
| Driver Fitness | 1 | 1.90 | — |
| 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%.
| 18 |
| 13 |
| 4 |
| Jul 24, 2025 | AZ | STRAIGHT TRUCK | 8 | 2 |
| Jun 11, 2025 | AZ | TRUCK TRACTOR | 11 | 2 |
| Apr 2, 2025 | AZ | STRAIGHT TRUCK | 3 | 1 |
| Mar 10, 2025 | AZ | STRAIGHT TRUCK | 2 | 0 |
| Feb 18, 2025 | AZ | TRUCK TRACTOR | 7 | 0 |
| Feb 12, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 3, 2026 | 393201AFRCLS | Frame - Cracked/loose/sagging/broken frame or chassis | Vehicle Maintenance | — |
| Mar 3, 2026 | 393207ASAPPCBLM | Suspension - Axle positioning part cracked/broken/loose/missing. | Vehicle Maintenance | — |
| Mar 3, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Mar 3, 2026 | 39375A1TEPBM | Tires - All others - Exposed ply or belt material in tread or sidewall area | Vehicle Maintenance | — |
| Mar 3, 2026 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Mar 3, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 3, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Mar 3, 2026 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Mar 3, 2026 | 3963A1BALR | Air Brake - Fails air loss rate test | Vehicle Maintenance | Yes |
| Mar 3, 2026 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |