Gill Construction INC Septic Service of Delaware. We service home owners & business in Delaware by providing all the necessary repairs or complete septic installing to pass the septic DNREC inspection. Our Services: We install eco-friendly septic systems &/or make all the repairs to ensure your system passes the Delaware septic inspection. Furthermore, we now provide SEPTIC INSPECTIONS services.

Get started today and complete our form to request your consultation - Contact Gill Septic Delaware #1 leader of Septic Construction Services.

We service the Kent County local area, New Castle & Sussex counties. DNREC Licenced Class E Contractor: Peat Septic & all other types approved by Delaware DNREC.

Complete septic or sewer insulation

It's important to work with a DNREC licensed and experienced Class E contractor who is familiar with Delaware's regulations and has expertise in septic system installation. + 35 yrs Gill Septic Construction - Septic Inspections- Septic Tank Installer - Class E Failure Repairs of Delaware, USA. We service home owners & business in Delaware by providing all the necessary repairs to pass the SEPTIC INSPECTION. We handle all the new septic permit work, septic design installation, install tanks & drainfields according to Delaware state regulations & leave a clean site & plant fresh grass seed as needed. We Get The Job Done Right The First Time. 100% Guaranteed & DNREC license & Insured. Don't hesitate to ask for a quote.

Septic Installed, Septic Repair Estimate, Septic Inspection - Contact Gill Septic Today - Get a septic issue consultation By Gill Construction Inc. More about our septic services.

Do you need to have your system inspection for Septic H Inspection? Make appointment & get tips: / Request Your Septic Inspection Now: SEPTIC INSPECTION / About: About / Contact: Contact Us / Septic Loan Program The Delaware Septic Rehabilitation Loan Program

About Gill Septic Installing Your Septic System In Delaware

  • Septic Permitting and Approval: Gill Septic obtains the necessary permits from the local health department or relevant authority in Delaware. This may include soil testing and approval of the proposed septic system design.
  • Septic Site Evaluation: Conduct a site evaluation to determine soil conditions and assess the suitability of the location for a septic system. This often involves percolation tests to evaluate the soil's ability to absorb wastewater.
  • Septic Design and Planning: Develop a septic system design based on the site evaluation and local regulations. The design should include the location of the septic tank, drainfield, and any required additional components.
  • Septic Tank Installation: We excavate and install the septic tank according to the approved design. Including Elevated Sand Mound Systems. The septic tank is responsible for separating solids from liquids and allowing partial decomposition of organic matter.
  • Septic Distribution System: Install the distribution system, which typically includes pipes that distribute the treated effluent from the septic tank to the drainfield or leach field.
  • Septic Drainfield Installation: Excavate and install the drainfield, where the treated wastewater is further treated by the soil. The drainfield consists of a network of perforated pipes in trenches filled with gravel or other approved materials.
  • Septic Inspections: Schedule and undergo inspections by local authorities at various stages of the installation process to ensure compliance with regulations and the approved design. See Septic H Inspection
  • Backfill and Site Restoration: We backfill the excavated areas and restore the site to its original condition as much as possible.
  • Final Inspection and Approval: Once the septic system is installed, undergo a final inspection to ensure that the system meets all regulatory requirements. Obtain final approval from the local health department.
  • Gill Septic Offers System Maintenance Guidelines: We provide the property owner with guidelines for proper septic system maintenance. Regular maintenance, such as pumping the septic tank, is essential to ensure the system's long-term functionality.
Get Your Quote / TOP / Septic Inspection Tips

Need help financing a septic replacement? See the The Delaware Septic Rehabilitation Loan Program: click here/ PDF Information: Learn More..

Gill Septic Service area: Dover 19901, Marydel 19953, Viola, Frederica, Felton 19943, Townsend DE, Lincoln, Little Creek, Hartly 19953, Camden Wyoming 19934, Woodside Delaware, Smyrna, Felton 19943, Dover area 19901, Harrington 19952, Magnolia 19963 & all New Castle DE. & Sussex Counties DE.


Gill Septic Construction has expertise in septic system installation & waste water repairs.

Best Price In Town. We Do All The Repairs To Ensure Your System Passes The Class H Inspection. We work with Home Sellers & Home Buyers To Ensure Your Property Is Up To Date Will A State Approved Working Septic System. We do all the Septic permit work from installing a Eco friendly septic system from installing new septic tanks, all types of Class H Repairs, &/or repairing drain fields so that your system works healthy as Delaware state requires it to do so. Septic Connections Services.


Delaware Clean Water new state law - all Delaware cesspools have to replaced with a new septic system. Delaware Community Septic System Outreach - helping homeowners take advantage of the

The Delaware Septic Rehabilitation Loan Program

or the Clean Water State Revolving Fund (CWSRF)

Why Choose Us?

  • Over 35 Years of Experience
  • Fully Insured & Licenced
  • A family-owned business tradition for over 35 years
  • Our prices are affordable & we offer the experience you can trust! We work with real estate agents, home sellers & home buyers.
  • Gill Septic Installation is a Dover based septic company dedicated to serving Delaware commerical business and residential communities.
  • We work with Home Sellers & Home Buyers To Ensure Your Property Is Up To Date Will A State Approved Working Septic System
  • Septic Improvement Finacing Is Available by the state of Delaware
  • Need A Consultation? - If you've got a Delaware septic repair problem, we've got the solution for the job
  • Satisfied Customers
  • Great customer service - we look forward to hearing from you today!
  • Best Price In Town
  • Gill Septic is an excavating Delaware contractor serving Kent, New Castle & Sussex Countie - Give us the work and we have all the equipment
  • 5 Star Delaware Septic Construction Contractor

Our Services

New Septic Design Construction
It is important to our state to keep your septic system UP TO DATE! CLEAN WATER ACT - act today if you have a failing septic tank. Delaware has programs to those that qualify. Make your estimate appointment today. (Estimate are handled in the matter they come to us.)

We would love to work with you on your newest project! Please fill out our secured contact form so we can reply back to you within 3-5 business days. Make your appointment now: septic services

New Septic Design Construction

Septic System Rehabilitation Program: Read More About Delaware Governor concerns of clean water click here. Septic design system. More about our contruction our septic services

Home Septic Improvement

Home Septic Improvement

We work with home buyers, home sellers, Realtors, & Delaware State Counties to make sure your estate is up to par with DE regulations for resale and/or provide a septic improvement service. Don't hesitate to ask for a quote.

contractor eco-friendly septic systems

Have a Delaware sepic problem? Give us a call. We install eco-friendly septic systems

Gill's Construction & Gill's septic repair services Kent, Sussex, and New Castle counties. Started in 1982, we have over 30 years of professional construction experience, & we strive to provide these skills to our customers. We fix failing drain fields & design systems & more.

Delaware sewer contractor

Complete septic Inspection Service

It is important to maintain a septic system that works right. If you've got a Delaware septic repair problem, we've got the solution for the job. Inspection H Delaware, septic repair, septic installed, drain field repairs, driveway pipe repairs, and more.

Delaware City Sewer Connections

Other Service Gill Septic Provides:

Grading and excavation, Back-filling, Demolition, Sewer system repairs, Home and Industrial Excavating, Land/Lot Clearing & Basin, Back-filling, and Culvert Clean-outs. We can discuss with you about serving your home exterior construction problems. Add functionality and curb appeal to your business or home with our functionality construction ability to your home or business with services from our company.

Dover, Delaware Septic Systems

About Our Delaware Septic Systems Services:

We will acquire your septic permit. All 4 steps: help with septic inspection, soil evaluation, system design, final permit and complete system installation. Best Price in Town. Call us direct at (302) 270-9166 to text us or talk to us for a free estimate today. Why Delaware takes pride in cleaning up their waterways. Delaware has checked virtually all of its more than 2,500 miles of rivers, streams, creeks, and ponds. It is important to maintain a septic system or sewer line that works right. It is Important to our state to keep your septic system UP TO DATE! TOP

Customer Reviews

Kent County DE, complete septic tank system install

"Upon moving to Kent Couty Delaware from NJ I needed a complete septic tank system install in my new home. My real estate agent contacted Gill Septic & within the time frame the crew install new tank & left a clean site."

- Ione M.
failed septic system repair

"As a real estate agent I call Gill Septic to get a quote on a failed septic system for homeowners needing to sell their homes. Mr. Ed Gill always gives me a round about cost to repair it & I give the estimate to the home owner."

- Jane S.
repair and replaced my old septic tank

"Gill Septic had repair and replaced my old septic tank and drain field back in 2001. I highly recommend his service. His crew was pleasant, and they did the job according to DE water protection state laws."

- John Mac.
drain field repaired

"I have bought an estate from a family that lived in Magnolia Delaware area that needed the drain field repaired. Not only did Gill Septic repaired my septic drain field but they were able to do a ditch clean out with their heavy-duty equipment."

- Johnathan M.
water laying ontop of my septic tank

"I had notice my backyard had water laying ontop of my septic tank area. After making an appointment for Gill Septic to look it over - I had them fix the problem. "

- Johnny Ice
septic system inspected

"I was looking to buy some property in Magnolia DE area. After having the septic system inspected my real estate agent ask me to call Gill Septic for a septic inspection referral & quote on replacing septic since the system failed inspection. His quote was affordable so I bought the property and had them fix the problems. I was very satisfied."

- Marty F.