WP
WALT'S PLUMBING & SEPTIC TANK SERVICE LLC
DOT 4061505ActiveInterstateWALLA WALLA, WA
COMPANY
Authority since
—
MCS-150
2026-05-12 · 62,000 mi (2025)
Fleet
6 units · — trailers · 6 drivers
Annual mileage (VMT)
62,000 mi (2025)
ADDRESS
Physical
1327 DELL AVE
WALLA WALLA, WA 99362
WALLA WALLA, WA 99362
Mailing
Same as physical
CONTACT
Phone
5095293044
Email
service@waltssepticservice.com
OFFICERS
Primary Officer
DAVE KNOWLES
Title
PART OWNERMANAGER
Origin
Anglosphere
Origin candidates
English 88%
OPERATION & CARGO
Operation classification
Private Property
Specialty
General Freight
Cargo types
2
General FreightOther: SEPTIC WASTE
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
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Moderate Risk
1 risk factors · 1 strengths
OOS RATE
0.0%
0 / 1 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Moderate Risk
1 risk factor · 1 strengths · 3 data pointsSAFETY PERFORMANCE
Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
100% — 1 clean of 1 inspections
Out-of-Service Rate
0.0% — driver OOS 0, vehicle OOS 0
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2026-05-12
INSURANCE
Active Coverage
No insurance policies on file
SUMMARY
No active insurance on file
No crashes in the last 24 months
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