FMCSA Carrier Profile
CAHOY PUMP SERVICE INC
DBA: Cahoy Pump Service
Summer, IA
Active
No Safety Rating
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
50.0% OOS · 17 inspections on record
Flags · 1
Elevated Out-of-Service Rate
50.0% of this carrier's roadside inspections in the last 24 months ended in an out-of-service order — higher than 90% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- No active insurance filing found on record
- Vehicle out-of-service rate 135.7% — above the 20.7% national average
- 17 FMCSA inspections on record
FMCSA Registration
DOT Number
1133166
Operating Status
Active
Safety Rating
Not Rated
MCS-150 Filed
March 9, 2026
FMCSA Registration
May 27, 2003
Annual Mileage
584,336 mi (2025)
Contact Information
Address
24568 150th St, Summer, IA 50674
Phone
Email
Owner / Officer
Mark Clausen
Officer 2
Darin Cahoy
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Out-of-Service Rate
50.0% of inspections ended in an out-of-service order
16 inspections in 24 months
Vehicle OOS Rate
53.8%
Driver OOS Rate
33.3%
Ranks in the 90th percentile among carriers with 10–24 inspections — lower is better. CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Safety & Inspection Summary
Total Inspections
17
Driver Inspections
12
Vehicle Inspections
14
Total OOS Orders
24
Violations by Category
Vehicle Maintenance36
Unsafe Driving8
Hours of Service7
OOS Rates vs. National Average
Driver OOS Rate41.7% · national avg 5.5%
⚠ Above national average (36.2pp higher)
Vehicle OOS Rate135.7% · national avg 20.7%
⚠ Above national average (115.0pp higher)
Inspection Trend by Year
2026
2025
2024
Inspection Records (17)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| June 2, 2026 | WY | Level I — Full | FORD · 1FTYY90U3TVA27106 | 2 | 1 OOS |
| June 2, 2026 | WY | Level I — Full | CHEV · 1GC1KVEYXHF227358 | 6 | 3 OOS |
| May 20, 2026 | IL | Level I — Full | INTL · 1HTMMAAL75H121138 | 3 | 6 OOS |
| May 14, 2026 | IA | Level I — Full | FORD · 1FD0W5HT5PEC78427 | 0 | Clean |
| May 8, 2026 | NE | Level I — Full | CHEVROLET · 1GB3YSEY6NF244664 | 1 | Passed |
| January 12, 2026 | IA | Level II — Walk-Around | FORD · 1FTYY90U3TVA27106 | 5 | 3 OOS |
| November 17, 2025 | IL | Level I — Full | FORD · 1FT7W2BT6JEB06988 | 4 | 2 OOS |
| November 14, 2025 | IA | Level III — Driver Only | CHEV · 1GB3YSEY6NF244664 | 1 | Passed |
| August 4, 2025 | WI | Level I — Full | FORD · 1FD0X5HT7KEG25343 | 4 | 1 OOS |
| May 13, 2025 | MO | Level I — Full | INTERNATIO · 1HTMMAAL94H651108 | 3 | Passed |
| March 27, 2025 | IA | Level III — Driver Only | FORD · 1FD0W5HTXRED83015 | 1 | Passed |
| February 21, 2025 | IA | Level I — Full | FORD · 1FT8X3BT5EEB88676 | 7 | 5 OOS |
Showing 12 of 17 inspection records
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
IA8
WI3
IL2
WY2
MO1
NE1
Equipment on Record (20)
Vehicles identified in this carrier's inspection history
| VIN | Make | Inspections | With OOS |
|---|---|---|---|
| 1FD0W5HTXRED83015 | Ford | 2 | 1 |
| 1FDUF5HT5KEC46250 | Ford | 2 | — |
| 1FTYY90U3TVA27106 | Ford | 2 | 2 |
| 1GB3YSEY6NF244664 | Chevrolet | 2 | — |
| 4TGF24209P1091770 | Ttin | 2 | 2 |
| 1CYDGC4893T045891 | Ccc | 1 | — |
| 1FD0W5HT5PEC78427 | Ford | 1 | — |
| 1FD0X5HT7KEG25343 | Ford | 1 | 1 |
| 1FT7W2BT6JEB06988 | Ford | 1 | 1 |
| 1FT8X3BT5EEB88676 | Ford | 1 | 1 |
Showing 10 of 20 units
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 20, 2026.
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