Miller Creek Bridge · Photo: Jet Lowe · Public domainLiving in Sulphur Rock, AR: what to set up and who to call
An EPA health-based violation from 2026 is still open for Rock Moore Water Authority, which supplies Sulphur Rock. Independence County Library, 8.6 miles away, is the closest library to Sulphur Rock.
I’m new in town
What to set up in Sulphur Rock, 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 Sulphur Rock.
Power comes from Entergy Arkansas
Entergy Arkansas (Entergy Arkansas LLC), an investor-owned utility, serves all of Sulphur Rock. 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 Rock Moore Water Authority
Rock Moore Water Authority supplies almost all of Sulphur Rock. It draws ground water (EPA lists Batesville Water Utilities as seller) and serves 3,462 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. 80% of the 5,012 systems serving 3,301–10,000 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 2023–Dec 2025, was 1.0 ppb, below the 15 ppb action level that applied. That’s lower than 57% 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. AR0000252.
4 home internet providers serve Sulphur Rock
97% of 249 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable | 92% | 940/35 |
| Verizon | Fixed wireless | 76% | 300/20 |
| Hillbilly Wireless | Fixed wireless | 75% | 45/10 |
| T-Mobile | Fixed wireless | 7% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Sulphur Rock’s trash rules yet
Pickup rules, the dump and recycling in Sulphur Rock.
Where your child goes to school
Public school districts and the school path by grade.
Sulphur Rock is in Batesville 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 Aug 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Sulphur Rock spans 2 ZIP codes
ZIP codes where Sulphur Rock residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sulphur Rock | ZIP’s residents in Sulphur Rock |
|---|---|---|---|
| 72579 | Sulphur Rock, AR | 97% | 41% |
| 72501 | Batesville, AR | 3% | 0% |
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 Sulphur Rock
Who supplies Sulphur Rock’s drinking water, and has it had violations?
Rock Moore Water Authority (EPA ID AR0000252). 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 1.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Sulphur Rock?
Entergy Arkansas (Entergy Arkansas LLC), an investor-owned utility. Its homes paid about 13.4¢ per kWh in 2025 (EIA).
What internet providers serve Sulphur Rock?
Optimum, Verizon, Hillbilly Wireless, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Sulphur Rock?
72579 (97%), 72501 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Sulphur Rock in?
Batesville School District.
How do I register to vote in Sulphur Rock?
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 Independence 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.