Lone Tree's sewer comes from Southgate west of I-25, Parker Water and Sanitation District east of I-25, and Northern Douglas County Water and Sanitation District in part of Terra Ridge. Replacing a sewer line covers the private pipe from your house to that district's main. Call the number on this page to be connected with a local plumber in Lone Tree.
Lone Tree is a planned, newer city at the I-25 and C-470 junction, built around Park Meadows and the RidgeGate community. The city lists its combined water and sanitation districts by area: Southgate Sanitation District west of I-25, Parker Water and Sanitation District east of I-25, and Northern Douglas County Water and Sanitation District for part of Terra Ridge. In Southgate's area, property owners own the sewer laterals serving their homes, and Southgate reminds owners of that directly.
What to do now
- Stop running water. Hold off on laundry, dishes and showers.
- Figure out your district. West of I-25, Southgate's line is 303-779-0261; east of I-25, it's Parker Water and Sanitation District.
- Call the district if neighbors are affected. A shared problem may be in the main.
- Locate the cleanout so the line can be cleared and filmed.
- Plan the permit. Lone Tree requires permits for plumbing work, including replacement, and applications are electronic only through its Accela portal.
Symptoms and likely causes
| Symptom | Likely cause |
|---|---|
| Clog returns every few months | A belly or damaged section collecting solids |
| Basement drain fills when toilets flush | Blockage in the lateral |
| Gurgling from unused fixtures | Restricted flow pushing air back |
| Sunken or soggy area over the line | Broken pipe or open joint |
| Roots on camera | Intrusion through a cracked fitting |
Cost factors
- Length and depth of the lateral to the district main
- Trenchless where the slope is intact, a trench where it isn't
- Landscaping, retaining walls and hardscape common on planned-community lots
- Any in-home sewer piping that needs replacing too
- City permit and district connection requirements
The City of Lone Tree specifically lists sewer line repairs within the home as permit work, while clearing stoppages typically doesn't need one. The Building Division is at 720-390-5211 or [email protected]. Since most of Lone Tree is relatively new, a sewer line here often fails in one place rather than everywhere, so ask for the camera footage and confirm a full replacement is really needed before agreeing to one. Where the lateral runs under a retaining wall or a finished patio, ask the plumber to explain how each method would handle that stretch, because restoration can be a large share of the work on these lots.
Sewer Line Replacement questions in Lone Tree
How do I find out which district handles sewer at my address?
Where does my responsibility for the sewer line end?
Who issues the permit for a sewer line replacement here?
How long does a sewer line replacement usually take?
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