If you are in need of septic tank installation, repair, or cleaning service in Warren County NJ, David Schaefer Septic Service is here to meet your needs.  We have provided no-nonsense, professional septic service to Warren County residents for almost 20 years.  So whether you live in Hackettstown or Hardwick Twsp, Allamuchy or Washington Twsp, we’ve likely performed septic service in your neighborhood.

Warren County Septic Pumping new jersey

Warren County NJ, located in Northwestern New Jersey is home to Mars, producer of that yummy chocolate accoutrement all kids love, M & M’s. Warren County is well known for it’s scenery, agriculture and manufacturing. Fun Fact: at one point, Warren County was the leading producer of musical organs in the US. Warren County is also home to Boy Scout Camp No-be-bo-sco outside of Blairstown, where the movie Friday the 13th was filmed. Aside from Jason Voorhees, other people with roots in Warren County include Fiona, Jimmi Simpson and The Naked Cowboy.

Septic Tank Pumping

Once at your Warren County location, our qualified and experienced technicians visually inspect your septic system and thoroughly clean it. We then discuss the usage of the system and proper septic tank maintenance.  We will also inform you if our visual inspection identified other factors that can affect your system’s performance, such as deteriorated baffles, ground water infiltration, faulty effluent pumps, a tank level that is too high, or if it looks like solids have been pumped to the drain field.

Septic Tank Installation, Repair & Replacement

Our team of licensed, trained, skilled and knowledgeable service technicians can install new septic systems, troubleshoot, repair and replace your Warren County septic system to perform at optimal performance levels all year round.

Our Services Include, but are not limited to:

  • Septic Tank Locating
  • Septic Tank Pumping
  • Grease Trap Cleaning
  • Septic System Inspections
  • Site Assessment
  • Soil Percolation Tests
  • Septic System Upgrades
  • Dry Well Pumping
  • Distribution Boxes, Risers, Extensions
  • Baffle Repair
  • Sewer tie-in (install and repair)
  • Storm water management
  • Septic and effluent filter management
  • Septic Maintenance Contracts
  • Infiltrator Systems and other alternative septic systems
  • Drip Irrigation Systems
  • Septic Pump Replacement


David Schaefer Septic Service is proud to be your source for all of your Warren County NJ excavating needs. Whether you require simple trenching to run a swimming pool electric line or a more complex job preparing or grading a site, we have the equipment, experience and qualified personnel to get your job done quickly and safely.  If your home or business needs quality Excavating Services, contact us. Our professionals will be happy to help. 

Dry Wells

We can repair, replace, and pump your dry well to keep your system functioning smoothly. We have the expertise and equipment to install dry wells in ideal locations, and our pumping methods are efficient and without hassle.