CS
COLUMBIA SANITARY SERVICE INC
DOT 905442MC 1507250ActiveInterstateGOLDEN, CO
COMPANY
Authority since
2023-05-09
MCS-150
2026-02-10 · 25,000 mi (2024)
Fleet
15 units · 4 trailers · 10 drivers
ADDRESS
Physical
4342 LOVELAND ST
GOLDEN, CO 80403
GOLDEN, CO 80403
Mailing
Same as physical
CONTACT
Phone
3035265370
Email
KENT@Copotties.com
OFFICERS
Primary Officer
DENNIS NESSLER
Title
OWNER
OPERATION & CARGO
Operation classification
Private Property;authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
3
General FreightLiquids / GasesOther
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.
AUTHORITY
40 mo
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Moderate Risk
1 risk factors · 2 strengths
OOS RATE
11.8%
2 / 17 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Moderate Risk
26/100 risk points1 risk factor · 2 strengths · 5 data pointsmedium confidenceWeighted heuristic: crashes are decayed by recency and normalized per 100 power units, out-of-service and violation rates use a rolling 24-month window, plus FMCSA BASIC alerts and the CarrierIntel Safety Score (which also decays when compliance has not been verified by a recent inspection). Not the official FMCSA SMS score.
SAFETY PERFORMANCE
Crash Record
2 crashes · 1 fatal · 0 with injuries · 2 tow-away
Clean Inspection Rate
88% — 15 clean of 17 inspections
Out-of-Service Rate
11.8% — driver OOS 0, vehicle OOS 2
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
6 historical event(s) on file
MCS-150 Filing
Last filed 2026-02-10
INSURANCE
Active Coverage
No active insurance policies on file
SUMMARY
No active insurance on file
No crashes in the last 24 months
88% clean inspections
1 fatal crash on record, none in the last 24 months
FMCSA crash records do not state who was at fault