Photo: Thomas R Machnitzki ([email protected]) · CC BY 3.0Living in Black Oak, AR: what to set up and who to call
An EPA health-based violation from 2026 is still open for Black Oak Waterworks. For an emergency, Baptist Memorial Hospital Jonesboro is the closest ER, 15.3 miles away.
I’m new in town
What to set up in Black Oak, 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 Black Oak.
Power comes from Entergy Arkansas
Entergy Arkansas (Entergy Arkansas LLC), an investor-owned utility, serves all of Black Oak. Its homes paid an average of 13.4¢ per kWh in 2025, about $145 a month (its average across Arkansas).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Black Oak Waterworks
Black Oak Waterworks supplies almost all of Black Oak. It draws ground water and serves 245 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 Apr 2026. 77% of the 15,074 systems serving 101–500 people had none. 1 older violation is still open, since 2026: 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–Dec 2004, was 7.0 ppb, below the 15 ppb action level that applied. It’s from 2004: EPA has no newer result for this system.
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. AR0000123.
6 home internet providers serve Black Oak
99% of 123 addresses can get 100/20 Mbps; 4% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Ritter Communications | Cable | 99% | 2,000/75 |
| Brightspeed | DSL | 11% | 10/1 |
| empower, delivered by CECC | Fiber | 3% | 1,000/1,000 |
| AT&T | Fixed wireless | 74% | 25/3 |
| Hillbilly Wireless | Fixed wireless | 65% | 45/10 |
| T-Mobile | Fixed wireless | 35% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Black Oak’s trash rules yet
Pickup rules, the dump and recycling in Black Oak.
Where your child goes to school
Public school districts and the school path by grade.
Black Oak is in Buffalo Island Central School District.
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 Oct 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Black Oak is in ZIP code 72414
ZIP codes where Black Oak residents live, with the share of the town in each.
| ZIP | Post office name | Share of Black Oak | ZIP’s residents in Black Oak |
|---|---|---|---|
| 72414 | Black Oak, AR | 100% | 60% |
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 Black Oak
Who supplies Black Oak’s drinking water, and has it had violations?
Black Oak Waterworks (EPA ID AR0000123). 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 7.0 ppb (Jan–Dec 2004), against a 15 ppb action level.
Who provides electricity in Black Oak?
Entergy Arkansas (Entergy Arkansas LLC), an investor-owned utility. Its homes paid about 13.4¢ per kWh in 2025 (EIA).
What internet providers serve Black Oak?
Ritter Communications, Brightspeed, empower, delivered by CECC, AT&T, Hillbilly Wireless, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Black Oak?
72414. Census 2020 ZIP Code Tabulation Areas.
What school district is Black Oak in?
Buffalo Island Central School District.
How do I register to vote in Black Oak?
Arkansas has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before). Elections here are run by the Craighead County Clerk. Check your registration at voterview.ar-nova.org.
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 Nov 18, 2024 (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.