WAC LLC
DBA: STAMBACK SEPTIC SERVICE
Risk score · full evidence · 72-hour access · No account required
Power Units
32
Drivers
32
Trailers
2
Annual Miles
Locked
Entity Type
N/A
MCS-150 Date
Nov 6, 2024
Out of Service
No
About WAC LLC
WAC LLC, doing business as Stamback Septic Service, is a family-owned septic tank cleaning and system maintenance company based in Willcox, Arizona. They specialize in septic pumping, inspections, and hydro-jetting services for residential, commercial, and municipal customers throughout Southeastern Arizona. Additionally, the company provides portable restroom rentals and sanitation support for regional infrastructure projects as a locally operated service provider.
Risk Signals — WAC LLC
Full risk analysis — historical patterns, fraud connections, financial signals — runs when you… unlock for full analysis
Authority for sale
No active listings detected…
Equipment for sale
1 fleet VIN listed — routine for fleet size…
Financial risk
Analyzed in the full report…
Fraud signals
Connection analysis in the full report…
Historical patterns
Pattern analysis runs when you unlock the report…
Recent activity
No adverse news in 90 days…
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Service RegionsActive in 1 states
Full state-by-state operating volumes, inspection locations, and lane coverage analysis.
CSA Safety Scores5 BASICs
5 BASICs measured
Percentile rankings pending FMCSA publication — raw measures + violations available in the report.
Full BASIC percentiles, measure scores, BASIC + roadside alerts, and Acute Carrier flags from the latest FMCSA SMS snapshot.
Crash Summary
Total Crashes
2
All time
Fatalities
1
Injuries
0
Tow-Away
2
Operating Authority
Common Authority
N/A
Contract Authority
N/A
Broker Authority
N/A
Insurance & Coverage
BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names — included in the vetting report.
Contact Information
Physical Address
WILLCOX, AZ 85643
Cargo & Operations
Cargo Carried
Violations by Category47 total
Most common category
Vehicle Maintenance · 47% of violations
across 5 categories
Full violation breakdown by category, out-of-service rates, and historical trends over time.
Fleet Analytics13 trucks
Top manufacturers
Sample units
Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster.
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