Living in Preston, TX: what to set up and who to call
Ridgecrest Water System reported 10 health-based violations to EPA in the last five years: radioactivity (gross alpha, excluding radon and uranium) ×8, disinfection byproducts (TTHM), radium (combined radium-226 and -228). 78% of systems its size reported none. Preston has no town government of its own, so Grayson County runs its elections and most services, and its children attend Pottsboro Independent School District.
I’m new in town
What to set up in Preston, 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 Preston.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Preston.
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 Ridgecrest Water System
Ridgecrest Water System supplies Preston: about 51% of residents live in its service area. Rra Preston Shores Water System serves another 20%. Greater Texoma Utility Authority serves another 8%. About 21% 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 Rra Preston Shores Water System as seller) and serves 1,968 people in all.
10 health-based violations reported to EPA in the five years to October 2026: radioactivity (gross alpha, excluding radon and uranium) ×8, disinfection byproducts (TTHM), radium (combined radium-226 and -228), the latest beginning Jan 2026. 78% of the 7,966 systems serving 1,001–3,300 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 3.3 ppb, below the 15 ppb action level that applied. That’s higher than 86% 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. TX0910035.
9 home internet providers serve Preston
98% of 1,956 addresses can get 100/20 Mbps; 2% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Vyve Broadband | Cable | 77% | 1,000/50 |
| AT&T | DSL, Fixed wireless | 46% | 25/3 |
| Sparklight | Cable, Fiber | 13% | 1,000/1,000 |
| Verizon | Fixed wireless | 59% | 300/20 |
| 360 Broadband | Fixed wireless | 57% | 400/50 |
| TekWav | Fixed wireless | 50% | 500/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Preston’s trash rules yet
Pickup rules, the dump and recycling in Preston.
Where your child goes to school
Public school districts and the school path by grade.
Preston is in Pottsboro Independent School District.
BSchool gradeSee 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
Preston is unincorporated, so Grayson County is the local government.
Election office: FVAP local election office directory, updated Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Preston is in ZIP code 75076
ZIP codes where Preston residents live, with the share of the town in each.
| ZIP | Post office name | Share of Preston | ZIP’s residents in Preston |
|---|---|---|---|
| 75076 | Pottsboro, TX | 100% | 26% |
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 Preston
Who supplies Preston’s drinking water, and has it had violations?
Ridgecrest Water System (EPA ID TX0910035). It reported 10 health-based violations to EPA in the five years to October 2026: radioactivity (gross alpha, excluding radon and uranium) ×8, disinfection byproducts (TTHM), radium (combined radium-226 and -228). 78% of systems its size had none. Its latest lead 90th percentile was 3.3 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Preston?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Preston?
Vyve Broadband, AT&T, Sparklight, Verizon, 360 Broadband, TekWav (FCC, as of December 2025).
What ZIP codes are in Preston?
75076. Census 2020 ZIP Code Tabulation Areas.
What school district is Preston in?
Pottsboro Independent School District.
How do I register to vote in Preston?
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.