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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon159
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Verified Reviews for Septic Tank Service pros in Merrick, NY

*The Angi rating for Septic Tank Service companies in Merrick, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

*The HomeAdvisor rating for Septic Tank Service companies in Merrick, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

Last update on October 28, 2025

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TJ Engineering LLC

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TJ Engineering LLC

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15 years of experience

We provide professional engineering services in the areas of: site design, utilities (including septic) design, stormwater management, etc. TJ Engineering LLC is a civil and environmental engineering firm, adept to providing engineering services for the private sector, as well as governmental agencies. Our primary goal is to produce outstanding professional services to all of our clients in planning, design, and construction management.

We provide professional engineering services in the areas of: site design, utilities (including septic) design, stormwater management, etc. TJ Engineering LLC is a civil and environmental engineering firm, adept to providing engineering services for the private sector, as well as governmental agencies. Our primary goal is to produce outstanding professional services to all of our clients in planning, design, and construction management.

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Septic Tanks questions, answered by experts

Most well pump pressure switches have a factory setting of 30 to 50 PSI. There’s some flexibility with this if you’d like a lower or higher water pressure, but remember that it should sit 2 to 3 PSI above your well tank’s general pressure setting.

The inside of your pressure switch cover will usually indicate minimum and maximum settings—going below and above the numbers might damage your well pump.

DIY is not recommended due to safety and technical requirements. Hire professionals for accurate diagnosis and repair.

Conventional anaerobic septic systems are the least-expensive type of septic system, costing $3,000 to $8,000 to install. There are a few factors that impact this price, including the size of the tank. For example, a 1,000-gallon septic tank (the minimum size required in many municipalities) costs between $900 and $1,500, while a 1,500-gallon tank costs $1,500 to $2,500.

Septic tanks are typically buried between four inches and four feet deep, depending on the property, the soil, and the size of the tank. When the septic tank is buried on the deeper end of this range, it may be harder for you to locate it on your own with a soil probe or just by observing the yard for signs of the tank. However, if you have trouble finding the septic tank, a pro will be happy to help you.

The depth of your septic tank has nothing to do with its size. In fact, some septic tanks can even be installed above-ground! Like other sizes, a 1,000-gallon septic tank could be buried as shallow as 4 inches below the ground or as deep as 4 feet. It all depends on your specific property.

The Merrick, NY homeowners’ guide to septic tank services

From average costs to expert advice, get all the answers you need to get your job done.

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