A New Depression in Your Yard: Should You Order Fill Dirt?

Published 2026-10-30 · By Reagan Carrier · 455 words

Do not order fill dirt as the first response to a new, unexplained depression in your yard. Arrange a site assessment before treating it as a landscaping defect. Keep people and equipment away from the affected area, and do not enter a hole to investigate. If ground movement threatens people or a building, contact emergency services rather than waiting for a routine grading quote.

A low spot is an observation, not a diagnosis

The U.S. Geological Survey explains that sinkholes can develop where groundwater dissolves underlying rock, leaving spaces that eventually lose support. Some develop gradually; others collapse suddenly. Tennessee is among the states USGS identifies as experiencing substantial sinkhole damage. That background makes unexplained ground changes worth investigating, but it does not establish that your yard has a sinkhole.

Avoid deciding on a repair from a photograph or the size of the opening alone. Ask who will evaluate the cause and whether a geotechnical engineer or geologist needs to be involved before any grading work is proposed. A fill quantity is not a substitute for that decision.

Build a timeline without approaching the edge

From an unaffected location, record when you first noticed the depression and take photographs showing its position relative to recognizable features. Include older yard photographs if available. Do not walk around the edge to measure it or test the ground with a vehicle.

Gather existing drainage drawings, utility repair records, and information about previous excavation or fill placement. Note recent rainfall or changes to downspouts without assuming they caused the problem. For a managed property, name one person to receive reports and coordinate access so a landscape crew does not arrive with instructions simply to cover the area.

Separate assessment from the restoration order

Ask for a written next step: what remains unknown, who will investigate it, and who will determine when restoration can proceed. Keep proposed investigation, corrective work, and final lawn restoration as distinct items in the discussion. Do not approve a generic load of dirt as though it answers all three.

Milliken's grading services page lists stabilization and sinkhole remediation among its services. When requesting help for a Middle Tennessee property, describe the newly observed change rather than requesting only yard leveling. Ask the team to confirm the appropriate assessment and coordination for your specific site.

Frequently asked questions

Does every new yard depression mean a sinkhole?

No. The observation alone does not identify the cause. Describe what changed and seek a site-specific assessment instead of assigning a geological diagnosis yourself.

Should I schedule a fill delivery while waiting for the assessment?

Wait until the responsible evaluator has clarified the next step. Ask for the proposed repair scope and access arrangements before ordering material or sending equipment into the area.

Sources and further reading