Wm Safety Record
DOT# 232638 · Mason City, IA 50401 · 2622508700
Legal name: Waste Management of Iowa INC
Good safety record — scored 22/100. Below-average out-of-service rates and few crashes.
Last inspected 02/16/2026
Safety Score Breakdown · 22/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Wm (DOT# 232638) in Mason City, Iowa has 53 inspections on record with 65 violations and a 17.0% vehicle out-of-service rate and 2 crashes. Safety grade: B.
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 65 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 53 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 02/16/2026 | IA | 0 | 0 |
| 01/22/2026 | IA | 1 | 0 |
| 01/15/2026 | IA | 0 | 0 |
| 01/15/2026 | IA | 0 | 0 |
| 01/02/2026 | IA | 0 | 0 |
| 01/02/2026 | IA | 0 | 0 |
| 12/22/2025 | IA | 0 | 0 |
| 12/10/2025 | IA | 0 | 0 |
| 12/09/2025 | IA | 0 | 0 |
| 12/02/2025 | IA | 0 | 0 |
Crash History · 2 records
| Date | State | Fatalities | Injuries | Tow-Aways |
|---|---|---|---|---|
| 14-MAY-25 | IA | 0 | 1 | 0 |
| 08-MAR-24 | IA | 0 | 0 | 0 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.