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Drain Field Replacement in Tucson, AZ

If the field cannot safely accept and treat wastewater, replacement may be needed. First rule out repairable tank and delivery problems.

Pima County site evaluation determines whether conventional disposal is suitable or an alternative design is needed. Confirm Construction Authorization before replacement and Discharge Authorization before use.

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Confirm the failure

Rule out fixable tank, pipe, distribution and pump problems before designing a new field.

Protect the usable area

Wells, boundaries, washes, slopes, pools and paving can constrain primary and reserve disposal areas.

Choose the right design

Site testing determines whether a conventional trench or chamber design is suitable, or whether alternative treatment is needed.

Obtain the authorization

Pima County reviews the design and issues Construction Authorization before replacement begins. The tank may also need evaluation.

Finish before use

Inspections, testing and final documents lead to Discharge Authorization. Weather, site access and corrections can affect the schedule.

Read our Tucson septic sizing, materials and care guide.

Drain Field Replacement FAQs

Practical answers for Tucson homes and businesses.

Does the tank always need replacement too?

Not always. Its condition, capacity, required treatment and approved scope determine whether it can stay.

Can the replacement use the same location?

That depends on soils, space, site conditions and the approved design. The existing footprint is not an automatic guarantee.

A Clear Plan for Your Septic System.

Tell us where you are, what is happening and the service you need.

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