# Septic System Excavation in Denver

Septic system excavation in Denver exposes tanks, lids, inlet and outlet lines, and drain fields on properties that are not connected to the municipal sewer. Denver Sewer and Water locates the components, opens the ground, and repairs or replaces what has failed.

- Septic tank and lid exposure.
- Inlet and outlet line repair.
- Drain field and distribution box excavation.
- Line replacement and re-routing.
- Backfill and surface restoration.

## When Does a Septic System Need Excavation?

Septic excavation is needed when the failure is underground and cannot be reached without opening the ground. Common cases include a crushed outlet line, a settled distribution box, a failed drain field, or a tank lid that has been buried over.

Many septic problems are first treated as a clog. If pumping and jetting do not solve it, the next step is to expose the components and see what has actually failed.

- Sewage backing up after the tank has been pumped.
- Soggy or smelly areas over the drain field.
- A tank lid that cannot be located or opened.
- Settled or collapsed inlet and outlet lines.
- A distribution box that has shifted or broken.

## Repair, Replace, or Pump?

Pumping is maintenance. Excavation is repair. If the tank is full and pumping solves the backup, the system may just need routine service. If the backup returns quickly, the lines or field likely need to be exposed.

We work with our sister company Affordable Septic Pumping for routine pumping and inspections, and we step in when excavation or line repair is the honest answer.

## How an Excavation Job Runs

1. **Camera and Locate** We scope the line, grade it, and mark depth and defect locations. Utility locates are requested and verified on site before any equipment moves.
2. **Permits and Traffic Control** Sanitary review, right-of-way permits, and a traffic control plan where the street requires one. We carry these rather than handing them to the owner.
3. **Site Protection** Access route planned, surfaces protected, spoils staged, and tree protection observed where the canopy or root zone is regulated.
4. **Careful Exposure** Around known crossings we vacuum excavate rather than dig blind. Paint on grass is an approximation, not a guarantee.
5. **Excavate, Shore, and Repair** The trench is opened and shored to depth, the pipe is replaced or the connection is made, and the work is inspected before it is covered.
6. **Backfill and Restoration** Compacted in lifts to the spec for the surface above, then the surface is restored to what was cut, including concrete, asphalt, and landscape.

## What Drives Excavation Cost?

We will not put a number on this page, because excavation pricing is driven by conditions we have to see first. Depth is the single largest driver, followed by what is above the pipe and what has to be put back.

The honest version is that a shallow lateral in an open back yard and a deep connection under a concrete street are the same pipe and very different projects. We quote after the scope and the locate, not before.

- Depth of the line and the shoring the trench requires.
- Soil conditions, groundwater, and rock.
- Surface being cut: turf, asphalt, concrete drive, or city street.
- Right-of-way permitting and traffic control requirements.
- Length of the run and the number of crossings in the way.

## Frequently asked questions

**Do you locate utilities before excavating?**

Always. Locates are requested and then verified on site. Around known crossings we expose utilities with vacuum excavation rather than digging blind. Paint on grass is an approximation of horizontal position, not a guarantee of depth.

**How much of the property gets torn up?**

It depends on the method the pipe supports. A full open cut replacement needs a trench the length of the run. A trenchless repair needs only access pits. We show the footprint on the site before the work starts.

**Do you restore the surface after excavation?**

Yes, to the specification for what was cut. Concrete is replaced with concrete, asphalt with asphalt, and turf is backfilled and compacted so the trench does not settle into a rut.

**Can you find a septic tank that has no records?**

Usually. We use probing, electronic locating, and camera work to find the tank and field lines. Old systems can be unmapped, but the components leave traces we can follow.

**Do you pump septic tanks?**

Our sister company Affordable Septic Pumping handles routine pumping, cleaning, and inspections. We coordinate with them and take over when excavation or line repair is needed.

## Related Excavation Services

- [Excavation in Denver](https://www.denversewerandwater.com/excavation/denver-co) The full excavation lane: sewer, water, storm, septic, and tap work.
- [Septic Systems](https://www.denversewerandwater.com/septic-systems/denver-co) Septic repair and replacement for properties off the municipal sewer.
- [Open Cut Excavation](https://www.denversewerandwater.com/methods/open-cut-excavation) When trenching is the right method and how we sequence it.
- [Hydro Excavation](https://www.denversewerandwater.com/methods/hydro-excavation) Vacuum excavation for safe exposure around live utilities.
- [Line Locating and Marking](https://www.denversewerandwater.com/methods/line-locating-and-marking) Finding the line and verifying depth before anything opens.

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Denver Sewer and Water is a privately owned, licensed and insured plumbing contractor. We are not affiliated with, endorsed by, or connected to Denver Water, the municipal water utility, or any government entity. To pay a municipal water bill or reach the public utility, visit denverwater.org.

Source: https://www.denversewerandwater.com/excavation/septic-system-excavation/denver-co