Photo: Steven White (The Phase Master) · CC BY-SA 4.0Living in Calera, OK: what to set up and who to call
Bryan County Rural Water District #5 reported 6 health-based violations to EPA in the last five years: disinfection byproducts (HAA5) ×6. 80% of systems its size reported none. Calera has an emergency room in town, at Alliancehealth Durant.
I’m new in town
What to set up in Calera, 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 Calera.
Power comes from OG&E
OG&E (Oklahoma Gas & Electric Co.), an investor-owned utility, serves all of Calera. Its homes paid an average of 12.5¢ per kWh in 2025, about $131 a month (its average across Oklahoma).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Bryan County Rural Water District #5
Bryan County Rural Water District #5 supplies Calera: about 51% of residents live in its service area. About 49% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Durant Utilities Authority as seller) and serves 8,325 people in all.
6 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×6, the latest beginning Jan 2023. 80% of the 5,012 systems serving 3,301–10,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.6 ppb, below the 15 ppb action level that applied. That’s lower 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. OK3000704.
8 home internet providers serve Calera
99% of 1,150 addresses can get 100/20 Mbps; 28% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Cherokee Communications | DSL, Fiber | 99% | 1,000/1,000 |
| Vyve Broadband | Cable, Fiber | 80% | 2,000/50 |
| 360 Broadband | Fixed wireless, Fiber | 75% | 200/50 |
| Rise Broadband | Fixed wireless | 84% | 500/100 |
| Nextlink | Fixed wireless | 77% | 300/75 |
| Verizon | Fixed wireless | 67% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Calera’s trash rules yet
Pickup rules, the dump and recycling in Calera.
Where your child goes to school
Public school districts and the school path by grade.
Calera is in Calera Public Schools.
B−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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Calera is in ZIP code 74730
ZIP codes where Calera residents live, with the share of the town in each.
| ZIP | Post office name | Share of Calera | ZIP’s residents in Calera |
|---|---|---|---|
| 74730 | Calera, OK | 100% | 56% |
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 Calera
Who supplies Calera’s drinking water, and has it had violations?
Bryan County Rural Water District #5 (EPA ID OK3000704). It reported 6 health-based violations to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×6. 80% of systems its size had none. Its latest lead 90th percentile was 0.6 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Calera?
OG&E (Oklahoma Gas & Electric Co.), an investor-owned utility. Its homes paid about 12.5¢ per kWh in 2025 (EIA).
What internet providers serve Calera?
Cherokee Communications, Vyve Broadband, 360 Broadband, Rise Broadband, Nextlink, Verizon (FCC, as of December 2025).
What ZIP codes are in Calera?
74730. Census 2020 ZIP Code Tabulation Areas.
What school district is Calera in?
Calera Public Schools.
How do I register to vote in Calera?
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, Bryan 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.