Photo: TulGuy · CC BY 4.0Living in Grayson, OK: what to set up and who to call
Okmulgee Co. RWD #4 reported 8 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×5, disinfection byproducts (HAA5) ×2, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size reported none. Power in Grayson comes from East Central Oklahoma Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Grayson, 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 Grayson.
Power comes from East Central Oklahoma Elec Coop
East Central Oklahoma Elec Coop (East Central Oklahoma Elec Coop Inc), a cooperative utility, serves all of Grayson. Its homes paid an average of 13.6¢ per kWh in 2025, about $155 a month (its average across Oklahoma).
Start or move service: www.ecoec.com · (918) 756-0833
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Okmulgee Co. RWD #4
Okmulgee Co. RWD #4 supplies almost all of Grayson. It buys treated surface water (EPA lists Okmulgee Pwa as seller) and serves 1,913 people in all.
8 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×5, disinfection byproducts (HAA5) ×2, a lead and copper treatment requirement (Lead and Copper Rule Revisions), the latest beginning Oct 2024. 78% of the 7,966 systems serving 1,001–3,300 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. The highest in five years was 1.0 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. OK3005602.
5 home internet providers serve Grayson
100% of 76 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| ecoLink | Fiber | 100% | 1,000/1,000 |
| Atlink Services | Fixed wireless | 100% | 100/20 |
| AT&T | Fixed wireless | 7% | 100/20 |
| T-Mobile | Fixed wireless | 3% | 25/3 |
| Verizon | Fixed wireless | 3% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Grayson’s trash rules yet
Pickup rules, the dump and recycling in Grayson.
Where your child goes to school
Public school districts and the school path by grade.
Most of Grayson (72%) is in Dewar Public Schools; parts are in Morris Public Schools (28%).
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.
Grayson is in ZIP code 74437
ZIP codes where Grayson residents live, with the share of the town in each.
| ZIP | Post office name | Share of Grayson | ZIP’s residents in Grayson |
|---|---|---|---|
| 74437 | Henryetta, OK | 100% | 1% |
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 Grayson
Who supplies Grayson’s drinking water, and has it had violations?
Okmulgee Co. RWD #4 (EPA ID OK3005602). It reported 8 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×5, disinfection byproducts (HAA5) ×2, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% 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 Grayson?
East Central Oklahoma Elec Coop (East Central Oklahoma Elec Coop Inc), a cooperative utility. Its homes paid about 13.6¢ per kWh in 2025 (EIA).
What internet providers serve Grayson?
ecoLink, Atlink Services, AT&T, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Grayson?
74437. Census 2020 ZIP Code Tabulation Areas.
What school district is Grayson in?
Dewar Public Schools. Parts of the city are in Morris Public Schools.
How do I register to vote in Grayson?
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, Okmulgee 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.