US · FMCSA ACTIVE
NORTHLAND SEPTIC MAINTENANCE INC
dba ZAFFKE PLUMBING
Backus, MN 56435 · DOT 1116828
Company profile
Web-discovered · as of 2026-07-30
Backus, MN-based provider of septic system services, including pumping, installation, repair, and portable restrooms, often operating under the name Zaffke Plumbing. Uses tankers and excavation equipment to serve residential and commercial clients. Registry lists 28 power units and 22 drivers.
Fleet use
Specialized service
Operating scope
Local
Equipment
tanker, specialized
Ownership
Private
Employees
11-50
HQ · 4207 16th St NW, Backus, MN 56435
Active website, Facebook, and recent 2026 search results show ongoing operations.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
28
power units
Activity
road freight carrier
for hire licence
In operation since
2003
22 drivers
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