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Percolation Testing

Percolation Test for Tucson, AZ Homeowners

Planning a new septic system or developing land in the Tucson area? Before any septic installation can proceed, you need to know whether your soil can support it. Rite Way provides professional percolation testing for homeowners and developers across Tucson and the surrounding communities, giving you the accurate, reliable results you need to plan with confidence.

What is a Percolation Test?

A percolation test, most commonly called a perc test, measures how quickly water is absorbed into the soil on your property. The results determine whether your land can support a septic drain field and how that system should be designed. Without accurate percolation test results, there’s no reliable way to size or properly place a septic system.

Rite Way handles the entire process, from digging test holes and filling the holes with water to measuring the water level drop and delivering your final results.

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Really enjoyed Shane’s service call. He was super professional and showed such a depth of knowledge. So enjoyable to discuss things with. It is obvious he is passionate about what he does. So cool and shows the quality of people Riteway hires! Many thanks. Another great experience with Riteway. We had a whole house filtering system installed approximately 2 years ago. During a regularly scheduled hot water heater service, the tech checked our filter system and realized it was missing the pre-filter which they now include on all systems but didn't back then. While I was expecting to hear a price from them to add it on, he said, "the cost is all covered by Riteway under your warranty." WOW! A team came right out and after substantially reworking the system, added in the pre-filter. Again, no cost to us. Very few companies are this customer focused. I just can't say enough good things about them.
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Why Tucson Homeowners Choose Rite Way for Percolation Testing

Perc testing requires precision. An inaccurate result can lead to an undersized or poorly placed septic system – and that’s a problem that’s expensive to fix after the fact. Here’s why Tucson homeowners rely on Rite Way for all their septic tank services:

  • Accurate testing methods: We follow established procedures to ensure your percolation rate is measured correctly the first time.
  • Local soil knowledge: Tucson’s desert soil varies significantly across neighborhoods – we understand how those conditions affect test results.
  • Clear reporting: We provide straightforward percolation test results you can share with contractors, engineers, or your county office.
  • Full-service approach: From test holes to final documentation, we handle the process start to finish.
  • Licensed professionals: Our team is qualified to conduct soil percolation tests that meet Pima County and surrounding area requirements.
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Our Commitment to Tucson, AZ

Rite Way has spent years helping Tucson-area homeowners navigate the septic process with confidence. Whether you’re building a new home in Marana, developing land near Sahuarita, or planning an addition in the Foothills, we bring the same level of care and thoroughness to every job. We’re straightforward about what we find, realistic about timelines, and committed to helping you move forward – not keeping you in the dark.

Best Time to Schedule a Percolation Test

Timing matters when it comes to perc testing. Here’s what to keep in mind for Tucson and the surrounding area:

  • Schedule before monsoon season – Tucson’s summer rains can temporarily alter how quickly soil absorbs water, which may affect your percolation rate.
  • Plan ahead for new builds – Most jurisdictions require percolation test results before issuing a septic permit, so don’t wait until the last minute.
  • Test during dry conditions – Soil that’s been recently saturated may produce skewed results; dry, stable conditions give the most reliable readings.
  • Allow time for retesting – If your first test doesn’t pass, you’ll want enough time to address the issue and retest before your project timeline is affected.

 

What to Do If the Percolation Test Fails

A failed perc test doesn’t necessarily mean your project is over. Here’s what your options may look like:

  • Retest in a different area: Soil conditions can vary across a single property. Testing holes in a new location sometimes yields better percolation results.
  • Explore alternative systems: If the soil percolation test shows the land won’t support a conventional drain field, engineered systems, like mound systems or aerobic treatment units, may be viable alternatives depending on your site.
  • Consult with a licensed engineer: In some cases, a soil engineer can evaluate the percolation test results and recommend a custom solution that still meets local code.
  • Review the process: Occasionally, test conditions affect the outcome. Our team can review how the test was conducted and advise on whether a retest under different conditions makes sense.

 

Rite Way will walk you through your options honestly. We’ll never push you toward unnecessary work.

Ready to Schedule Your Perc Test?

Whether you’re breaking ground on a new build or need percolation testing for a property purchase, Rite Way makes the process simple. We serve Tucson and surrounding communities throughout Southern Arizona. Call us today or book your appointment online.

Tucson, AZ Septic Percolation Testing FAQs

Why is a percolation test important for septic systems?

The percolation rate determines how well your soil can absorb wastewater.  Without it, a septic system can’t be properly sized or placed, which leads to failures down the line.

A perc test is typically required before installing a new septic system, adding a drain field, or developing land that will rely on an onsite wastewater system.

While DIY perc testing is possible in some situations, most counties, including Pima County, require results from a licensed professional for permitting purposes.

A percolation rate of 1 to 60 minutes per inch is generally considered acceptable for a conventional septic drain field, though local requirements vary.

Not always, but options like alternative system designs or retesting in a different area of the property can sometimes move a project forward even after an initial failure.