Photo: Jeffrey Beall · CC BY 4.0Living in Iliff, CO: what to set up and who to call
Power in Iliff comes from Highline Electric Assn, a cooperative utility rather than a private company. Sterling Public Library, 11.7 miles away, is the closest library to Iliff.
I’m new in town
What to set up in Iliff, 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 Iliff.
Power comes from Highline Electric Assn
Highline Electric Assn (Highline Electric Assn), a cooperative utility, serves all of Iliff. Its homes paid an average of 15.2¢ per kWh in 2025, about $137 a month (its average across Colorado).
Start or move service: hea.coop · (800) 816-2236
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Iliff water system
The Town of Iliff water system supplies almost all of Iliff. It draws ground water and serves 328 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 1.3 ppb, below the 15 ppb action level that applied. That’s higher than 62% of similar systems’ latest results.
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. CO0138015.
6 home internet providers serve Iliff
74% of 130 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| CenturyLink | DSL | 85% | 60/5 |
| Kentec Communications | Fixed wireless | 100% | 10/1 |
| Peetz Communications | Fixed wireless | 99% | 25/25 |
| Viaero Wireless | Fixed wireless | 98% | 100/5 |
| Verizon | Fixed wireless | 92% | 300/20 |
| Vistabeam | Fixed wireless | 73% | 50/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Iliff’s trash rules yet
Pickup rules, the dump and recycling in Iliff.
Where your child goes to school
Public school districts and the school path by grade.
Iliff is in Valley School District RE-1.
Test scores and every school: see 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.
Iliff is in ZIP code 80736
ZIP codes where Iliff residents live, with the share of the town in each.
| ZIP | Post office name | Share of Iliff | ZIP’s residents in Iliff |
|---|---|---|---|
| 80736 | Iliff, CO | 100% | 40% |
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 Iliff
Who supplies Iliff’s drinking water, and has it had violations?
The Town of Iliff water system (EPA ID CO0138015). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 1.3 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Iliff?
Highline Electric Assn (Highline Electric Assn), a cooperative utility. Its homes paid about 15.2¢ per kWh in 2025 (EIA).
What internet providers serve Iliff?
CenturyLink, Kentec Communications, Peetz Communications, Viaero Wireless, Verizon, Vistabeam (FCC, as of December 2025).
What ZIP codes are in Iliff?
80736. Census 2020 ZIP Code Tabulation Areas.
What school district is Iliff in?
Valley School District RE-1.
How do I register to vote in Iliff?
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 Logan 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: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- 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.