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Top-Rated Septic tank pros in Colusa - Updated Nov 2026

Avatar for Winters Plumbing Service
Winters Plumbing Service
5.0(
12
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Colusa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2003

Free estimates

Emergency services offered

"I hired Winters Plumbing Service to install a new septic system for us. We built a 3500 sg ft home on 5 acres in Vacaville which required a really big and complex septic tank filtration and drain field system.They installed it perfectly and within our budget."
Tankless water heater installation.
Additional Photos
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+2

Response time4 hrs
Recommended by58%of homeowners
Avatar for Earl's Performance Plumbing
Earl's Performance Plumbing
4.6(
96
)
Septic System - RepairSeptic System - Install or ReplaceSeptic System - Install or Replace - For Business+1 more

Serving Colusa, CA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"Earls Plumbing replaced our Hot water heater and continues to provide maintenance. They also inspect for leaks all over the house every time they are here. Always pleasant, knowledgeable and thorough. Would definitely recommend Earl’s Plumbing Chico CA"
 Before
 After (1)
 After(2)
Whole House Filter
Tankless Water Heater

+1

Response time2 days
9 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for Atomic General Engineering
Atomic General Engineering
5.0(
6
)
Septic System - Install or Replace

Serving Colusa, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Atomic General Engineering is available to help develop your new lot or improve your property in Chico, Paradise, Butte County, and surrounding counties in Northern California. We specialize in asphalt paving, asphalt patching, building pads, septic system installation, underground/utilities, grading/roadwork, and seal coating. \n\nI’m Isaac Brown and I’m the owner and operator of Atomic General Engineering. We are proud to be a local company; my family has been in the industry for four generations. We believe in fair pricing and offer free estimates. We can work with importing materials like fill dirt, base rock, and get your lot compacted and ready to develop. Please give us a call and we will come to you quickly and provide a free estimate. Looking forward to hearing from you!

Projects
12 neighbors recently requested a quote
Cost U Less Plumbing & Rooter
4.7(
3
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Colusa, CA and surrounding areas

In business since 1997

Emergency services offered

Credit card accepted

"We requested help on our reverse osmosis water filtration system.  The technician arrived the same day and was friendly and courteous.   He recommended that we buy a new system and said that we only need one filter to remove nitrates.  Upon further research, we discovered that several filters and a tank are required to filter nitrates.  He did not charge for the trip and told us to buy a new system and he would come and install it. "
Recommended by100%of homeowners
D Kravich
New to Angi
Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Colusa, CA and surrounding areas

In business since 2024

Free estimates

Small jobs welcome

D Kravich Inc is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

ACE Plumbing
New to Angi
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Colusa, CA and surrounding areas

In business since 2005

Free estimates

Credit card accepted

At ACE Plumbing it is our mission to provide the highest quality of service in all aspects of our business. We are extremely thorough in services that we provide and aim to be very receptive to any client's issues, questions or concerns and handle them promptly and professionally. We take necessary steps to ensure that our clients are completely satisfied with all of our contractual and assumed responsibilities. Above all else, we will fulfill these responsibilities while maintaining the highest ethical standards in both of our work and our character.

J & S Plumbing
0.0(
6
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic Tank - Clean or Pump Out

Serving Colusa, CA and surrounding areas

In business since 2010

Free estimates

J & S Plumbing is the #1 choice for all of your plumbing needs. We can handle any size plumbing project you have-big or small! J & S Plumbing serves Yuba City and the surrounding areas. Give us a call today and see why we are the best in the area!

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1722932
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1722920
1722922

+1

Recommended by100%of homeowners
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Septic Tanks FAQs, answered by experts

How to size a well pressure tank is determined by three factors: flow rate, or how many gallons per minute your well pump produces; minimum runtime; and pressure switch setting. Most pressure tanks have a pressure switch operating at 20/40, 30/50, and 40/60—the first number is the pressure needed for the pump to turn on, and the second number is the pressure needed for the pump to switch off. Most homeowners relying on well water require a water pressure tank ranging from 20 to 80 gallons. 

A new water well pressure tank costs $300 to $500. If you choose to hire a plumber for the job, expect labor to cost $125 to $200. If the tank is difficult to access, labor will cost more. Diaphragm and bladder well pressure tanks have similar costs. One-compartment well pressure tanks are less costly, but they have a higher chance of waterlogging. Larger pressure tanks cost more and hold more water, but they don’t increase water pressure.

Your septic tank may be full or clogged if you notice household drains that are backed up, draining slowly, or gurgling; greener, lusher grass around the septic system; pooling water in your yard; or smelling sewage odors outdoors. You can contact a local septic tank pro to inspect your septic system and pump your tank.

A septic tank always has some amount of liquid in it—which should usually be 8 to 12 inches from the top of the tank. If the liquid level is higher than that or is overflowing the drainage pipe that leads out to the leach field, the tank may be too full and in need of pumping.

How do you set your well’s pressure tank? All you need to do is first drain the tank of water and find the pressure switch. Remove the switch cover and adjust the switch with a wrench—clockwise to increase water pressure, and counter-clockwise to reduce it. Each complete turn of the nut on the switch should equal 2.5 psi. Once this is done, replace the switch cover. All that’s left is to adjust the pressure of the tank itself using an air compressor and a tire gauge to support the new setting.

The Colusa, CA homeowners’ guide to septic tank services

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