MAMMOTH DISPOSAL COMPANY INC, DOT #2928983 FMCSA Safety & Compliance Report
Your latest roadside inspection, California on June 10, was clean: no violations.
3 inspections on your record in the last 24 months, every one of them clean.
Your MCS-150 lists 17 trucks and 7 drivers.
A clean roadside record keeps your scores down. An investigation is still a records exam: it asks for the files behind every truck and every driver.
MAMMOTH DISPOSAL COMPANY INC is a small fleet motor carrier based in MAMMOTH LAKES, California (USDOT #2928983). As of October 22, 2026, it holds a Not Rated FMCSA safety rating and a FileFlo Carrier Intelligence Score of 88/100 (Low Risk), based on 4 recent inspection(s) and 0 recorded violation(s) in public FMCSA data.
What MAMMOTH DISPOSAL COMPANY INC's record points to
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Turn on free alertsCarrier Intelligence Score
88/100 Low Risk
| Category | Score | Max |
|---|---|---|
| Safety Rating | 22 | 30 |
| Inspection Pass Rate | 20 | 20 |
| Out-of-Service Rate (vs FMCSA national avg) | 15 | 15 |
| CSA BASIC percentiles | Not measured | n/a |
Three public FMCSA components, scored by FileFlo. CSA BASIC percentiles are not in FMCSA's public data, so they are shown as not measured.
MAMMOTH DISPOSAL COMPANY INC's public FMCSA record, line by line
Roadside inspections in the last 24 months
- June 10, 2026, California. No violations.
- June 3, 2026, California. No violations.
- May 20, 2026, California. No violations.
MAMMOTH DISPOSAL COMPANY INC: MAMMOTH LAKES, California Trucking Company
MAMMOTH DISPOSAL COMPANY INC is a small fleet operating out of MAMMOTH LAKES, California with USDOT number 2928983. The company operates 17 power units and has no published FMCSA safety rating (most active carriers are unrated unless they have undergone a compliance review). Based on our analysis of federal safety data, MAMMOTH DISPOSAL COMPANY INC has a FileFlo Carrier Intelligence Score (CIS) of 88/100, classified as Low Risk.
FMCSA Safety Record & Inspection History
MAMMOTH DISPOSAL COMPANY INC has undergone 4 recorded DOT inspections.
What a 88/100 Carrier Intelligence Score Means
The Carrier Intelligence Score is FileFlo's own summary of three public FMCSA components for MAMMOTH DISPOSAL COMPANY INC: the safety rating, the inspection pass rate and the out-of-service rate against the national average. It is not an FMCSA score, and FMCSA does not use it to choose carriers for an investigation. 88 out of 100 falls in FileFlo's Low Risk band.
Authority Type, Hazmat Status, and Operating Profile
MAMMOTH DISPOSAL COMPANY INC is classified by FMCSA as an intrastate non-hazmat carrier.
The carrier holds an Authorized For Hire classification, meaning it transports cargo or passengers for compensation under FMCSA operating authority and is subject to MC-number requirements at 49 CFR Part 365.
MAMMOTH DISPOSAL COMPANY INC is not flagged in FMCSA Census as a hazmat carrier (HM indicator: N), so the carrier is not subject to the additional 49 CFR Subchapter C hazmat regulations.
Operational range per MCS-150 filing: intrastate within 100 miles (7 drivers). The 100-mile boundary matters because drivers operating within a 100-air-mile radius qualify for the short-haul exception under 49 CFR 395.1(e)(1), which removes the requirement to maintain RODS for the day.
Self-reported MCS-150 annual mileage: 15,991 miles. MCS-150 mileage feeds the FMCSA SafeStat exposure denominator: drastically understated mileage can artificially inflate CSA BASIC percentile scores by reducing the per-mile exposure baseline. Updates are required every 24 months under 49 CFR 390.19.
Fleet Composition and Driver Profile
Owned equipment per the FMCSA Census filing: 17 straight trucks. Owned-vs-leased equipment matters for compliance documentation, owned trailers require the carrier to retain annual inspection certificates under 49 CFR 396.17, while leased trailers shift that documentation responsibility to the lease agreement.
The carrier reports 7 CDL-holding drivers on file. Each CDL driver must have a current Driver Qualification File (DQF) maintained per 49 CFR 391.51, including a Medical Examiner's Certificate, an annual MVR review, and a record of road-test results.
Intrastate driver count: 7. Intrastate drivers may be subject to state-specific CDL endorsement and hours-of-service variances depending on the state.
FMCSA Crash History
The FMCSA Motor Carrier Management Information System (MCMIS) crash dataset records 1 crash event involving MAMMOTH DISPOSAL COMPANY INC in the available reporting window. Of these, 0 involved a fatality, 1 involved a reported injury, and 1 resulted in a tow-away. 1 event meets the federal-recordable threshold under 49 CFR 390.5 (fatality, injury treated away from the scene, OR tow-away of any vehicle).
Most recent recorded event: SR203/.4m W US395 SB, UNINCORPORATED, CA on February 21, 2017.
How MAMMOTH DISPOSAL COMPANY INC Compares to the National Average
Across the 4 recorded inspections, MAMMOTH DISPOSAL COMPANY INC's 0.0% vehicle out-of-service rate sits materially below the FMCSA 2024 national average of 20.72%. The 0.0% driver out-of-service rate sits materially below the 2024 national average of 5.51%.
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The Audit-Ready Setup is $499. Send your paperwork and USDOT 2928983; FileFlo files every record against the 49 CFR section that requires it, assembles a driver qualification file per driver, builds the vehicle files, and delivers a gap list with the automatic-failure items first plus your audit packet indexed to the CFR. 30 days, every dollar back: if you are not happy with the Setup within 30 days of purchase, FileFlo refunds the full Setup price. Your first 30 days of FileFlo are included. After your 30 included days, Core continues at $199 a month (Fleet, $399, for 16 to 50 trucks) on the same card unless you cancel. We email you 7 days and 1 day before the first charge, and one click in either email cancels it.
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Recent DOT Inspections: MAMMOTH DISPOSAL COMPANY INC
Open any inspection for the records an auditor would ask for behind it: free, from USDOT 2928983, no signup.
| Date | State | Driver OOS | Vehicle OOS | Next step |
|---|---|---|---|---|
| 2026-06-10 | CA | 0 | 0 | Audit check |
| 2026-06-03 | CA | 0 | 0 | Audit check |
| 2026-05-20 | CA | 0 | 0 | Audit check |
| 2024-04-24 | CA | 0 | 0 | Audit check |
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Frequently asked questions about MAMMOTH DISPOSAL COMPANY INC
What is MAMMOTH DISPOSAL COMPANY INC's FMCSA safety rating?
MAMMOTH DISPOSAL COMPANY INC (USDOT #2928983) does not currently carry a published FMCSA safety rating. A "Not Rated" status is common for carriers that have never had a compliance review: it is not a negative finding. FileFlo scores the carrier at 88/100 (Low Risk) from the public inspection and out-of-service data that is available.
How large is MAMMOTH DISPOSAL COMPANY INC's fleet?
Per its most recent FMCSA MCS-150 filing, MAMMOTH DISPOSAL COMPANY INC operates 17 power unit(s) and 7 driver(s), classifying it as a small fleet. Fleet counts are self-reported to FMCSA and can lag a carrier's current operation.
Where is MAMMOTH DISPOSAL COMPANY INC based?
MAMMOTH DISPOSAL COMPANY INC is registered with the FMCSA at a physical address in MAMMOTH LAKES, California, under USDOT number 2928983.
What is MAMMOTH DISPOSAL COMPANY INC's DOT inspection and violation history?
FileFlo shows 4 recent DOT inspection(s) and 0 recorded violation(s) for MAMMOTH DISPOSAL COMPANY INC (USDOT #2928983), sourced from FMCSA public records and the Socrata transportation datasets. The inspection table on this page lists dates, states, and out-of-service counts.
What is MAMMOTH DISPOSAL COMPANY INC's FileFlo Carrier Intelligence Score?
MAMMOTH DISPOSAL COMPANY INC scores 88/100 (Low Risk) on FileFlo's Carrier Intelligence Score. The score normalizes three public FMCSA components (safety rating, inspection pass rate, and out-of-service rate versus the national average) into one 0-100 surface. CSA SMS BASIC percentiles are not published in FMCSA's public data and are excluded rather than estimated.
Federal rules a carrier like MAMMOTH DISPOSAL COMPANY INC is audited against
The 49 CFR sections a DOT compliance review actually checks, plain-English:
- 49 CFR 395.8, Hours of service & ELD records
- 49 CFR 391.51, Driver qualification files (DQF)
- 49 CFR 396.3, Vehicle inspection, repair & maintenance
- 49 CFR 382.301, Pre-employment drug & alcohol testing
Compliance terms: CSA score · out-of-service order · hours of service · driver qualification file. See DOT compliance software & document management →
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Data sourced from FMCSA public records and the Socrata transportation dataset. Last updated: October 22, 2026. Information may not reflect the carrier's current status. Dispute this record · Claim this profile