Carrierintel Safety Score: 66/100. 3 inspection violations in 12 months. Last inspected Sep 2026.
DOT 4197049ActiveIntrastate Non-HazmatCONRAD, IA
COMPANY
Authority since
—
MCS-150
2024-02-20
Fleet
14 units · — trailers · 13 drivers
ADDRESS
Physical
33061 G AVE CONRAD, IA 50621-8148
Mailing
PO BOX 1232 MARSHALLTOWN, IA 50158-1232
CONTACT
Phone
6417527165
Email
smcdowell@mammothenviro.com
OFFICERS
Primary Officer
SHAWN MCDOWELL
Title
COO
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
Waste Hauler
Cargo types
1
Garbage, Refuse, Trash
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
32 mo
Since USDOT registration
INSURANCE
Insurance not verified
Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
1 risk factors · 0 strengths
OOS RATE
0.0%
0 / 7 inspections
Carrierintel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
66
out of 100
Fair
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections