Great Western Furnace · Photo: Www78 · CC BY-SA 3.0Living in Big Rock, TN: what to set up and who to call
North Stewart Utility District reported 2 health-based violations to EPA in the last five years: disinfection byproducts (HAA5), disinfection byproducts (TTHM). 80% of systems its size reported none. Big Rock has no town government of its own, so Stewart County runs its elections and most services, and its children attend Stewart County School District.
I’m new in town
What to set up in Big 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 Big Rock.
Power comes from Cumberland Elec Member
Cumberland Elec Member (Cumberland Elec Member Corp), a cooperative utility, serves all of Big Rock. Its homes paid an average of 13.8¢ per kWh in 2025, about $198 a month (its average across Tennessee).
Start or move service: cemc.org · (931) 645-2481
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from North Stewart Utility District
North Stewart Utility District supplies almost all of Big Rock. It draws surface water and serves 5,983 people in all.
2 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (HAA5), disinfection byproducts (TTHM), the latest beginning Apr 2022. 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 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. TN0000195.
4 home internet providers serve Big Rock
100% of 153 addresses can get 100/20 Mbps; 98% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Cumblerand Connect | Fiber | 97% | 1,000/1,000 |
| Mediacom Xtream | Cable | 94% | 1,000/50 |
| T-Mobile | Fixed wireless | 6% | 100/20 |
| AT&T | Fixed wireless | 5% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Big Rock’s trash rules yet
Pickup rules, the dump and recycling in Big Rock.
Where your child goes to school
Public school districts and the school path by grade.
Big Rock is in Stewart County 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.
No town hall: the county runs things
Big Rock is unincorporated, so Stewart County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Big Rock is in ZIP code 37023
ZIP codes where Big Rock residents live, with the share of the town in each.
| ZIP | Post office name | Share of Big Rock | ZIP’s residents in Big Rock |
|---|---|---|---|
| 37023 | Big Rock, TN | 100% | 17% |
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 Big Rock
Who supplies Big Rock’s drinking water, and has it had violations?
North Stewart Utility District (EPA ID TN0000195). It reported 2 health-based violations to EPA in the five years to October 2026: disinfection byproducts (HAA5), disinfection byproducts (TTHM). 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 Big Rock?
Cumberland Elec Member (Cumberland Elec Member Corp), a cooperative utility. Its homes paid about 13.8¢ per kWh in 2025 (EIA).
What internet providers serve Big Rock?
Cumblerand Connect, Mediacom Xtream, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Big Rock?
37023. Census 2020 ZIP Code Tabulation Areas.
What school district is Big Rock in?
Stewart County School District.
How do I register to vote in Big Rock?
In Tennessee you can register online until 30 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the Stewart County Election Commission. Check your registration at tnmap.tn.gov.
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.