What psi should a well pressure tank be set at?

• <div><p>The pressure in a well pressure tank should be set 2 to 3 PSI below the pump's cut-on pressure. The cut-on pressure is the lower number in the pressure setting (e.g., the '30' in 30/50 PSI) and is the point at which the pump starts. The cut-out pressure is the higher number, where the pump stops.</p><p>For example:</p><ul><li><p>If your pressure switch is set to 30/50 PSI, the tank pressure should be 27-28 PSI.</p></li><li><p>If your pressure switch is set to 40/60 PSI, the tank pressure should be 38 PSI.</p></li></ul><p>Common pressure settings for household applications include 20/40, 30/50, and 40/60 PSI. The difference between the cut-on and cut-out pressure is typically 20 PSI.</p></div>

Get matched with top septic tank pros in Ajo, AZ

Q: Are there always two lids on a septic tank?

• <div><p>Modern septic tanks have two lids: one that covers the inlet where wastewater flows into the tank and one that covers the outlet where the treated water flows out to the drain field. However, older septic tanks installed before 1975 may have only one lid. Because <a href="https://www.angi.com/articles/how-long-do-septic-tanks-last.htm">septic tanks last</a> 20 to 40 years, if yours only has one lid, it may be time for a replacement. </p></div>

Q: Can you put water softener backwash into a septic tank?

• <div><p>While you can drain water softener backwash into a septic tank, doing so may cause several problems. One problem is that increased sodium chloride levels from water softener backwash can kill septic tank bacteria, decreasing the effectiveness of this wastewater treatment system. Another issue is that large calcium deposits can eventually stop up the drain field and lead to poor drainage. </p></div>

Q: What are the disadvantages of a mound septic system?

• <div><p>While mound septic systems can provide cost-effective wastewater treatment in many instances, they do come at a significant initial installation cost and require a lot of space on your property for the mound and its replacement field. The installation cost is so high because this is a project that requires an exceptional level of skills and expertise to execute properly.</p></div>

Q: How do you install concrete septic tank risers?

• <div><p>Concrete septic tank risers are heavier and more durable than plastic or fiberglass ones, making them suitable for long-term use. Installing a concrete riser differs from installing plastic or fiberglass risers primarily in the materials and methods used. The process involves cutting the concrete risers to the required length and then stacking them, using concrete sealant or adhesive between sections for secure attachment. Due to their weight, extra care is necessary during leveling and the attachment of sections. Concrete sealant or adhesive may also require a curing before the riser is ready for use.</p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your septic tank service project in Ajo, AZ?

Select your specific project to find the pro for you.

Verified Reviews for Septic Tank Service pros in Ajo, AZ

*The Angi rating for Septic Tank Service companies in Ajo, AZ 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 Ajo, AZ 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 March 17, 2024

Reviewed in March 2024
Seth is an awesome guy to work with. I have used Seth for many years and have always been satisfied with his work.
Always Greener LLC
Request a quote
Reviewed in February 2024
They were very professional and knowledgeable. The crew cleaned up Nicely. Would recommend to all family and friends!
Tree Pro's, LLC
Request a quote
Reviewed in November 2022
He did a great work, he was very efficient. Other contractors were not able to find the problem and he was. I have mini splits.
Arctic Breeze Cooling & Heating, LLC
Request a quote
Reviewed in June 2022
Very helpful service that gave me the necessary information to make important decisions. Excellent recommendations for improving my property and selling it.
Inspect NW
Request a quote
Reviewed in July 2021
They did excellent work. The crew was very professional. I would definitely recommend them.
Hardrives, LLC
Request a quote
Reviewed in April 2021
Went above and beyond. Would not leave until my AC system was running at optimum level
Alltech Solutions, Inc.
Request a quote

Find Septic tank pros in Ajo

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Ajo, AZ and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"Well. Only problem was delay in response time after claim was filed online. Water tank started leaking Thanksgiving morning and no reply until I called the Regional Manager."

Recommended by81%of homeowners

Request Quote

American Home Shield – Home Warranty

3.5(

5,688

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Ajo, AZ and surrounding areas

In business since 1971

Credit card accepted

"Takes for ever to get a return a call. Also took a week to get someone out for repairs. They said they would reimburse me for septic repairs and it took over 3 months for that to happen."

Recommended by65%of homeowners

Request Quote

Tucson Septic Systems, LLC

4.0(

)

Septic System - Install or ReplaceSeptic System - RepairSeptic System - Repair - For Business+2 more

Serving Ajo, AZ and surrounding areas

In business since 1998

Free estimates

Emergency services offered

Hi. My name is David Goodwin, I am the owner of Tucson Septic Systems. LLC. While our name is Tucson Septic, we work not only in Pima County, but Maricopa County as well.\nI have been installing and replacing septic systems since 1996 and began my own business in 1998. Since that time I have installed nearly 500 septic systems, with no complaints. I strive to earn your business by handling all the details of your project and offering you a competitive price on your septic installation, repair, pumping, and Septic Certification. As a family owned business -- your business helps to keep us operating during these tough economic times, and I am very aware that you have a choice in who you work with. I hope you will consider working with us on your next project!\n

Recommended by100%of homeowners

Request Quote

Arizona sewer and septic

New to Angi

Septic System - Install or ReplaceSeptic System - Repair

Serving Ajo, AZ and surrounding areas

AZ Sewer & Septics is a family-owned and operated company run by Arizona locals, specializing in excavation, septic, sewer, and drain services. ROC licensed and bonded, NAWT certified, and offering same-day services, AZ Sewer & Septics serves homeowners across the greater Phoenix area and surrounding communities.

Request Quote

Posse plumbing

New to Angi

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Ajo, AZ and surrounding areas

Free estimates

Emergency services offered

Warranties offered

We specialize in waterhater installations and maintenance and all fixture replacement and repair spanning from toilets to faucets you name it we will replace it

Request Quote

Ganz Legacy Plumbing LLC

New to Angi

Septic System - Install or ReplaceSeptic System - Repair

Serving Ajo, AZ and surrounding areas

Free estimates

Emergency services offered

Warranties offered

I am a 4th generation plumber. I take great pride in all work that I do. I also provide free estimates for all your plumbing needs

Request Quote

Septic Tanks questions, answered by experts

Modern septic tanks have two lids: one that covers the inlet where wastewater flows into the tank and one that covers the outlet where the treated water flows out to the drain field. However, older septic tanks installed before 1975 may have only one lid. Because septic tanks last 20 to 40 years, if yours only has one lid, it may be time for a replacement.

While you can drain water softener backwash into a septic tank, doing so may cause several problems. One problem is that increased sodium chloride levels from water softener backwash can kill septic tank bacteria, decreasing the effectiveness of this wastewater treatment system. Another issue is that large calcium deposits can eventually stop up the drain field and lead to poor drainage.

While mound septic systems can provide cost-effective wastewater treatment in many instances, they do come at a significant initial installation cost and require a lot of space on your property for the mound and its replacement field. The installation cost is so high because this is a project that requires an exceptional level of skills and expertise to execute properly.

The pressure in a well pressure tank should be set 2 to 3 PSI below the pump's cut-on pressure. The cut-on pressure is the lower number in the pressure setting (e.g., the '30' in 30/50 PSI) and is the point at which the pump starts. The cut-out pressure is the higher number, where the pump stops.

For example:

If your pressure switch is set to 30/50 PSI, the tank pressure should be 27-28 PSI.
If your pressure switch is set to 40/60 PSI, the tank pressure should be 38 PSI.

Common pressure settings for household applications include 20/40, 30/50, and 40/60 PSI. The difference between the cut-on and cut-out pressure is typically 20 PSI.

Concrete septic tank risers are heavier and more durable than plastic or fiberglass ones, making them suitable for long-term use. Installing a concrete riser differs from installing plastic or fiberglass risers primarily in the materials and methods used. The process involves cutting the concrete risers to the required length and then stacking them, using concrete sealant or adhesive between sections for secure attachment. Due to their weight, extra care is necessary during leveling and the attachment of sections. Concrete sealant or adhesive may also require a curing before the riser is ready for use.

The Ajo, AZ homeowners’ guide to septic tank services

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

See all articles

Melissa Graham
•
Aug 3, 2026Aug 3, 2026
How Much Does It Cost to Locate a Septic Tank? [2026 Data]
If it’s been there for a while, it can be hard to find the septic tank in your yard. Learn how much it costs to locate a septic tank with this guide.
D.P. Taylor
•
Jul 15, 2026Jul 15, 2026
Crank Up Your Understanding of Septic Tank Volume
It’s crucial to install a septic tank with the right volume to avoid wastewater backups. This guide will help you calculate the right septic tank volume.
Jamie Cattanach
•
Jul 10, 2026Jul 10, 2026
What’s the Right Septic Tank Size for Me?
Septic tank sizes vary depending on the size of your home, how many people live there, how much water you use, and more. Read on to learn how to determine the right size for you.
Taylor Freitas
•
Jul 9, 2026Jul 9, 2026
Are Septic Tanks Bad? Pros and Cons to Consider Before Moving Into a House With a Septic System
If you’ve never lived in a house with a septic system before, you might be wondering: Are septic tanks bad? Here are some of the pros and cons.
Taylor Freitas
•
Jul 9, 2026Jul 9, 2026
How to Build a Small Septic Tank for a Rural Property
Want to learn how to build a septic tank for your rural or off-grid property? First, check your local laws, then dive into these general guidelines.
Jamie Cattanach
•
Jul 8, 2026Jul 8, 2026
How Deep Is a Septic Tank and Why Is It Buried in the First Place?
How deep is a septic tank, and why is it buried? Learn where to place your own septic system as well as how to maintain it and how much it costs.