Living in Willow, OK: what to set up and who to call
The Willow water system reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. Power in Willow comes from Harmon Electric Assn, a cooperative utility rather than a private company.
I’m new in town
What to set up in Willow, 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 Willow.
Power comes from Harmon Electric Assn
Harmon Electric Assn (Harmon Electric Assn Inc), a cooperative utility, serves all of Willow.
Start or move service: harmonelectric.com · (580) 688-3342
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Willow water system
The Willow water system supplies almost all of Willow. It draws ground water and serves 114 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 77% of the 15,074 systems serving 101–500 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–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. OK2002801.
2 home internet providers serve Willow
99% of 105 addresses can get 100/20 Mbps; 99% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Southwest Oklahoma Telephone Company | Fixed wireless, Fiber | 100% | 500/100 |
| Nextlink | Fixed wireless | 97% | 200/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Willow’s trash rules yet
Pickup rules, the dump and recycling in Willow.
Where your child goes to school
Public school districts and the school path by grade.
Willow is in Granite Public Schools.
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 Sep 12, 2025.
Willow is in ZIP code 73673
ZIP codes where Willow residents live, with the share of the town in each.
| ZIP | Post office name | Share of Willow | ZIP’s residents in Willow |
|---|---|---|---|
| 73673 | Willow, OK | 100% | 39% |
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 Willow
Who supplies Willow’s drinking water, and has it had violations?
The Willow water system (EPA ID OK2002801). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 77% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Willow?
Harmon Electric Assn (Harmon Electric Assn Inc), a cooperative utility.
What internet providers serve Willow?
Southwest Oklahoma Telephone Company, Nextlink (FCC, as of December 2025).
What ZIP codes are in Willow?
73673. Census 2020 ZIP Code Tabulation Areas.
What school district is Willow in?
Granite Public Schools.
How do I register to vote in Willow?
In Oklahoma you can register online until 25 days before Election Day, in person until 25 days before Election Day, or by mail (received 25 days before). Elections here are run by the Secretary, Greer County Election Board. Check your registration at okvoterportal.okelections.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 Sep 12, 2025 (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.