Living in Central High, OK: what to set up and who to call
An EPA health-based violation from 2024 is still open for Stephens Co RWD #5, which supplies Central High. Power in Central High comes from Cotton Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Central High, 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 Central High.
Power comes from Cotton Electric Coop
Cotton Electric Coop (Cotton Electric Coop, Inc), a cooperative utility, serves all of Central High. 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 Stephens Co RWD #5
Stephens Co RWD #5 supplies almost all of Central High. It buys treated surface water (EPA lists Duncan Public Utilities Authority as seller) and serves 6,426 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. 80% of the 5,012 systems serving 3,301–10,000 people had none. 1 older violation is still open, since 2024: a lead and copper treatment requirement (Lead and Copper Rule Revisions), per EPA’s records.
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. OK2006969.
Which providers serve Central High
This card will list the home internet providers the FCC’s National Broadband Map shows in Central High, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Central High’s trash rules yet
Pickup rules, the dump and recycling in Central High.
Where your child goes to school
Public school districts and the school path by grade.
Most of Central High (88%) is in Central High Public Schools; parts are in Marlow Public Schools (7%) and Sterling Public Schools (4%).
C+School 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 Aug 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Central High spans 2 ZIP codes
ZIP codes where Central High residents live, with the share of the town in each.
| ZIP | Post office name | Share of Central High | ZIP’s residents in Central High |
|---|---|---|---|
| 73055 | Marlow, OK | 76% | 9% |
| 73533 | Duncan, OK | 24% | 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 Central High
Who supplies Central High’s drinking water, and has it had violations?
Stephens Co RWD #5 (EPA ID OK2006969). 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). 80% 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 Central High?
Cotton Electric Coop (Cotton Electric Coop, Inc), a cooperative utility. Its homes paid about 12.7¢ per kWh in 2025 (EIA).
What ZIP codes are in Central High?
73055 (76%), 73533 (24%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Central High in?
Central High Public Schools. Parts of the city are in Marlow Public Schools and Sterling Public Schools.
How do I register to vote in Central High?
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, Stephens 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): pending.