Living in Terral, OK: what to set up and who to call
The Terral water system reported 2 health-based violations to EPA in the last five years: nitrate-nitrite, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 77% of systems its size reported none. Power in Terral comes from Cotton Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Terral, 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 Terral.
Power comes from Cotton Electric Coop
Cotton Electric Coop (Cotton Electric Coop, Inc), a cooperative utility, serves all of Terral. Its homes paid an average of 12.7¢ per kWh in 2025, about $164 a month (its average across Oklahoma).
Start or move service: www.cottonelectric.com · (580) 875-3351
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Terral water system
The Terral water system supplies almost all of Terral. It buys treated surface water (EPA lists Jefferson Co Cons RWD #1 as seller) and serves 386 people in all.
2 health-based violations reported to EPA in the five years to October 2026: nitrate-nitrite, a lead and copper treatment requirement (Lead and Copper Rule Revisions), the latest 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 2024–Dec 2026, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 0.8 ppb. 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. OK2003405.
4 home internet providers serve Terral
85% of 212 addresses can get 100/20 Mbps; 84% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Terral Telephone | Fiber | 84% | 200/100 |
| Nextlink | Fixed wireless | 100% | 100/20 |
| Syntrio | Fixed wireless | 100% | 10/1 |
| T-Mobile | Fixed wireless | 40% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Terral’s trash rules yet
Pickup rules, the dump and recycling in Terral.
Where your child goes to school
Public school districts and the school path by grade.
Terral is in Ryan 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 Feb 2018; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Terral is in ZIP code 73569
ZIP codes where Terral residents live, with the share of the town in each.
| ZIP | Post office name | Share of Terral | ZIP’s residents in Terral |
|---|---|---|---|
| 73569 | Terral, OK | 100% | 72% |
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 Terral
Who supplies Terral’s drinking water, and has it had violations?
The Terral water system (EPA ID OK2003405). It reported 2 health-based violations to EPA in the five years to October 2026: nitrate-nitrite, 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 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Terral?
Cotton Electric Coop (Cotton Electric Coop, Inc), a cooperative utility. Its homes paid about 12.7¢ per kWh in 2025 (EIA).
What internet providers serve Terral?
Terral Telephone, Nextlink, Syntrio, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Terral?
73569. Census 2020 ZIP Code Tabulation Areas.
What school district is Terral in?
Ryan Public Schools.
How do I register to vote in Terral?
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, Jefferson 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.