Photo: Jeffrey Beall · CC BY 3.0Living in Lone Tree, CO: what to set up and who to call
The closest public drop-off to Lone Tree is Waste Connections Denver South Jordan Road Transfer Station, 5 miles out; the town decides whether residents may use it. Lone Tree has its own library, Lone Tree Library, at 10055 Library Way.
I’m new in town
What to set up in Lone Tree, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Lone Tree.
Power comes from Xcel Energy
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Lone Tree. Its homes paid an average of 15.9¢ per kWh in 2025, about $93 a month (its average across Colorado).
Start or move service: xcelenergy.com · (800) 895-4999
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Southgate WSD
Southgate WSD supplies almost all of Lone Tree. It buys treated surface water (EPA lists Denver Water Board as seller) and serves 55,000 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2002, was 9.0 ppb, below the 15 ppb action level that applied. It’s from 2002: EPA has no newer result for this system.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. CO0103721.
7 home internet providers serve Lone Tree
100% of 3,764 addresses can get 100/20 Mbps; 23% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 99% | 2,000/250 |
| CenturyLink | DSL, Fiber | 95% | 140/20 |
| Quantum Fiber | Fiber | 21% | 940/940 |
| Verizon | Fixed wireless | 70% | 25/6 |
| T-Mobile | Fixed wireless | 65% | 100/20 |
| AT&T | Fixed wireless | 32% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Waste Connections picks up trash in Lone Tree
Pickup days, the drop-off and recycling in Lone Tree, from the town’s own site.
Single-stream recycling
All your recyclables go in one bin, no sorting.
- Plastic containers numbered 1-7
- Brown paper bags
- Office paper, bulk mail and junk mail
- Magazines, catalogs and phone books
We couldn’t find pickup days or drop-off hours. Check cityoflonetree.com →
From cityoflonetree.com, the town’s official site, checked Oct 21, 2026; pages dated 2026, September 14, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Lone Tree is in Douglas County School District RE-1.
ASchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jul 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Lone Tree is in ZIP code 80124
ZIP codes where Lone Tree residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lone Tree | ZIP’s residents in Lone Tree |
|---|---|---|---|
| 80124 | Lone Tree, CO | 99% | 63% |
A few homes fall in 80134.
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Lone Tree
Who supplies Lone Tree’s drinking water, and has it had violations?
Southgate WSD (EPA ID CO0103721). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 9.0 ppb (Jan–Dec 2002), against a 15 ppb action level.
Who provides electricity in Lone Tree?
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).
What internet providers serve Lone Tree?
Xfinity, CenturyLink, Quantum Fiber, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Lone Tree?
80124. Census 2020 ZIP Code Tabulation Areas.
What school district is Lone Tree in?
Douglas County School District RE-1.
How do I register to vote in Lone Tree?
In Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before). Elections here are run by the Douglas County Clerk and Recorder. Check your registration at sos.state.co.us.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: Lone Tree’s own website (cityoflonetree.com), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.