Living in Southmayd, TX: what to set up and who to call
Oncor delivers the power in Southmayd, but in Texas’s open market you choose the company that sells it. Tap water in most of Southmayd comes from the City of Southmayd Westview Subdivision water system, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result below detection.
I’m new in town
What to set up in Southmayd, 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 Southmayd.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Southmayd.
Start or move service: oncor.com · (888) 875-6279
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Southmayd Westview Subdivision water system
The City of Southmayd Westview Subdivision water system supplies Southmayd: about 55% of residents live in its service area. City of Southmayd serves another 44%. It draws ground water and serves 738 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 5,327 systems serving 501–1,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, 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. TX0910048.
9 home internet providers serve Southmayd
84% of 481 addresses can get 100/20 Mbps; 51% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Sparklight | Cable | 87% | 1,000/50 |
| Frontier | Fiber | 53% | 7,000/7,000 |
| Rise Broadband | Fixed wireless | 67% | 300/60 |
| TekWav | Fixed wireless | 58% | 500/100 |
| T-Mobile | Fixed wireless | 56% | 100/20 |
| Verizon | Fixed wireless | 52% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Southmayd’s trash rules yet
Pickup rules, the dump and recycling in Southmayd.
Where your child goes to school
Public school districts and the school path by grade.
Southmayd is in S and S Consolidated Independent School District.
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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Southmayd spans 4 ZIP codes
ZIP codes where Southmayd residents live, with the share of the town in each.
| ZIP | Post office name | Share of Southmayd | ZIP’s residents in Southmayd |
|---|---|---|---|
| 75092 | Sherman, TX | 60% | 2% |
| 76268 | Southmayd, TX | 22% | 100% |
| 76273 | Whitesboro, TX | 16% | 2% |
| 75459 | Howe, TX | 1% | 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 Southmayd
Who supplies Southmayd’s drinking water, and has it had violations?
The City of Southmayd Westview Subdivision water system (EPA ID TX0910048). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Southmayd?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Southmayd?
Sparklight, Frontier, Rise Broadband, TekWav, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Southmayd?
75092 (60%), 76268 (22%), 76273 (16%), 75459 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Southmayd in?
S and S Consolidated Independent School District.
How do I register to vote in Southmayd?
Texas 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 Grayson County Early Voting Clerk. Check your registration at teamrv-mvp.sos.texas.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.