Photo: Aetheling · Public domainLiving in Louisville, CO: what to set up and who to call
The City of Louisville water system reported 2 health-based violations to EPA in the last five years: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule), a surface water treatment requirement (Surface Water Treatment Rule). 83% of systems its size reported none. The closest public drop-off to Louisville is New Centennial Coal Mine tailings (1936-1952), 2 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Louisville, 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 Louisville.
Power comes from Xcel Energy
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Louisville. 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 City of Louisville water system
The City of Louisville water system supplies almost all of Louisville. It draws surface water and serves 20,975 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule), a surface water treatment requirement (Surface Water Treatment Rule), the latest beginning Dec 2021. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. CO0107487.
10 home internet providers serve Louisville
100% of 6,730 addresses can get 100/20 Mbps; 56% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 100% | 2,000/2,000 |
| CenturyLink | DSL, Fiber | 77% | 140/20 |
| Intrepid Fiber Networks | Fiber | 46% | 2,000/2,000 |
| Quantum Fiber | Fiber | 12% | 1,000/1,000 |
| LiveWireNet | Fixed wireless | 87% | 250/100 |
| T-Mobile | Fixed wireless | 70% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Louisville
Pickup days, the drop-off and recycling in Louisville, from the town’s own site.
Single-stream recycling
All your recyclables go in one bin, no sorting.
- Cardboard
- Paper
- Aluminum cans
- Tin cans
- Certain plastics
- Glass
Eco-Cycle Center for Hard-to-Recycle Materials (CHaRM)
6400 Arapahoe Rd, Boulder
We couldn’t find pickup days or drop-off hours. Check louisvilleco.gov →
From louisvilleco.gov, the town’s official site, checked Oct 21, 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.
Louisville is in Boulder Valley School District RE-2.
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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Louisville is in ZIP code 80027
ZIP codes where Louisville residents live, with the share of the town in each.
| ZIP | Post office name | Share of Louisville | ZIP’s residents in Louisville |
|---|---|---|---|
| 80027 | Louisville, CO | 100% | 62% |
A few homes fall in 80303, 80026, 80020.
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 Louisville
Who supplies Louisville’s drinking water, and has it had violations?
The City of Louisville water system (EPA ID CO0107487). It reported 2 health-based violations to EPA in the five years to October 2026: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule), a surface water treatment requirement (Surface Water Treatment Rule). 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Louisville?
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 Louisville?
Xfinity, CenturyLink, Intrepid Fiber Networks, Quantum Fiber, LiveWireNet, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Louisville?
80027. Census 2020 ZIP Code Tabulation Areas.
What school district is Louisville in?
Boulder Valley School District RE-2.
How do I register to vote in Louisville?
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 Boulder County Clerk and Recorder, Elections Division. 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: Louisville’s own website (louisvilleco.gov), 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.