Seneca Septic Tank Services

Expert Septic Solutions for Oconee County Residents

Chastain’s Septic Tank Services and Portable Toilets, LLC is a family-owned and operated business that has been serving the septic needs of customers in Seneca and the surrounding areas for over 40 years. We are a full-service septic company that offers a complete range of septic services, including installation, repair, maintenance, and pumping. Our technicians are highly trained and experienced, and we are equipped to handle all types of septic systems, from conventional to aerobic.


Need septic services in Seneca? Call (864) 991-4470 or contact us online to schedule an appointment.


Professional Septic Tank Installation & System Replacement 

When it comes to septic tank installation and replacement, you need a company that has the experience and expertise to get the job done right. We are familiar with all types of septic systems and can help you determine the best system for your property and your needs. We use the highest quality materials and the latest techniques to ensure that your new septic system is installed correctly and will provide you with years of reliable service.

Our septic tank installation and replacement services include:

  • Septic tank sizing and design
  • Permitting and inspections
  • Excavation and site preparation
  • Septic tank installation & Replacement 
  • Leach field installation

Whether you are building a new home or replacing an old septic system, we can help. Our experts will work with you to design a septic system that meets your needs and your budget. We will handle all of the details, from obtaining the necessary permits to installing your new septic system, so you can focus on what’s important.

Comprehensive Septic Tank Repair & Ongoing Maintenance Services

We offer a complete range of septic tank repair and maintenance services. We can help you with everything from a simple clog to a major repair. Our technicians are highly trained and experienced, and we use the latest tools and equipment to ensure that your septic system is repaired correctly and efficiently.

Our septic tank repair and maintenance services include:

  • Septic tank pumping
  • Septic tank cleaning
  • Septic tank inspection
  • Septic tank repair
  • Leach field repair
  • Drain field repair
  • Septic system maintenance

Regular septic tank maintenance is the best way to prevent costly repairs and extend the life of your septic system. We recommend having your septic tank pumped and inspected every 3 to 5 years, depending on the size of your tank and the number of people in your household. During a septic tank inspection, our technicians will check for signs of wear and tear, such as cracks or leaks, and make any necessary repairs. We will also check the level of sludge and scum in your tank and pump it out if necessary.

Reliable Portable Toilet Rentals for Events & Construction Sites

In addition to our septic services, we also offer portable toilet rental in Seneca and the surrounding areas. Whether you are planning a construction project, a special event, or a festival, we have the portable toilets you need to keep your guests comfortable and your site clean. Our portable toilets are clean, well-maintained, and equipped with all of the amenities your guests expect, including hand sanitizer and toilet paper. We offer flexible rental terms and competitive rates, and we can deliver and pick up your portable toilets at a time that is convenient for you.

Contact us for Dependable Septic Services in Seneca

At Chastain’s Septic Tank Services and Portable Toilets, LLC, we are committed to providing our customers with the highest quality septic services at the best possible prices. We are a family-owned and operated business, and we treat our customers like family. We take the time to listen to your needs and concerns and will work with you to find the best solution for your septic system. We are honest, reliable, and always put our customers first. When you choose Chastain’s Septic Tank Services and Portable Toilets, LLC, you can rest easy knowing that your septic system is in good hands.


Call (864) 991-4470 today to schedule an appointment for septic services in Seneca.


  • “We will definitely use them again in the future.”

    Sarah L.
When You Must Go... You must go NOW! Don’t give your employees or guests the discomfort of having to hold in their necessities. Ensure you have a portable restroom on-site at your event, construction project, festival, marathon, part, or any other outdoor event. Get Started
Chastain's Septic & Porta Potties Services
10% OFF All Veterans & Senior Citizens! You helped us so we're helping you! Use our 10% off coupon for any septic tank pumping service. Not to be combined with other offers Valid from Jan 1, 2024 - Dec 31, 2024

Septic Might Stink, But We Don't!

We're just light hearted people keeping things clean.
  • Residential & Commercial Services
    There's no event too small or too large. We have portable toilets for every event! We also offer septic services to all residential and commercial customers.
  • We Go Above & Beyond
    Solutions are not enough for us. We want to make sure you have a pleasant experience with us from beginning to end. We'll always go the extra mile to accomplish that!
  • DHEC Trained & Certified
    Hire the people who have the proper training and certifications to get the job done right. Us!
  • 24/7 Services Available
    We understand the importance of having your septic tanks at top-notch shape all the time. That's why we offer our services 24/7!
  • Family & Locally, Owned
    We bring our family values into our business. You can count on a warm, professional experience with us from beginning to end.
  • Over 20 Years of Experience
    Generation to generation brings knowledge that is engraved over time. 20 years of experience has allowed us to develop innovative solutions with a deep understanding of the services we offer!

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Check Out Some of Our Work
Common Areas We Serve
  • Anderson
  • Fair Play
  • Seneca
  • Westminister
  • Clemson
  • Starr