Mountain States Pumping Service LLC Safety Record

DOT# 1488549 · Rock Springs, WY 82901 · 3073621903

B

Good safety record — scored 30/100. Below-average out-of-service rates and few crashes.

Last inspected 01/26/2026

Grade based on FMCSA inspection, crash, and violation data. See methodology →

Vehicle OOS Rate 20/30 pts
Driver OOS Rate 0/20 pts
Crash Rate 10/30 pts
Fatal Crash Penalty 0/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, Mountain States Pumping Service LLC (DOT# 1488549) in Rock Springs, Wyoming has 8 inspections on record with 14 violations and a 25.0% vehicle out-of-service rate and 1 crash. Safety grade: B.

8 Inspections
25.0% Vehicle OOS Rate
1 Crashes
8 Power Units

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.

Vehicle OOS Rate 25.0%
Carrier: 25.0% (2 of 8) National: 23.2%
Driver OOS Rate 0.0%
Carrier: 0.0% (0 of 8) National: 6.4%
47% OOS rate better than 47% of carriers in Wyoming
8% crash rate better than 8% of carriers in Wyoming

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.

14 total violations across 8 inspections
2 violations resulted in out-of-service orders (14%)
Vehicle Maintenance
11
Hours of Service
3

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.

Inspected across 4 states: CO, US, UT, WY
Level 1: 7 (88%) Level 2: 1 (12%)
1 of 5 recent inspections had vehicle out-of-service violations
Date State Level Veh OOS Drv OOS
01/26/2026 UT 1 1 0
10/09/2025 CO 1 0 0
08/05/2025 US 1 0 0
04/08/2025 WY 2 0 0
09/18/2023 UT 1 0 0
07/26/2023 UT 1 0 0
05/01/2023 UT 1 1 0
03/29/2023 UT 1 0 0
16-AUG-24 most recent crash on record
Date State Fatalities Injuries Tow-Aways
16-AUG-24 WY 0 0 0

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.

Power Units 8
Drivers 9
Fleet Size Small Fleet
Operation Type Interstate
Hazmat Yes
Operating Since 04/14/2006
MCS-150 Filed 20241101 1
Annual Mileage (MCS-150) 176,488
Address 28 Wilkins Peak Drive, Rock Springs, WY 82901