Living in Glenn Heights, TX: what to set up and who to call
Oncor delivers the power in Glenn Heights, but in Texas’s open market you choose the company that sells it. Most homes in Glenn Heights have two wired internet choices, Spectrum and AT&T.
I’m new in town
What to set up in Glenn Heights, 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 Glenn Heights.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Glenn Heights.
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 Glenn Heights water system
The City of Glenn Heights water system supplies Glenn Heights: about 96% of residents live in its service area. About 4% 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 Dallas Water Utility as seller) and serves 18,718 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 1.2 ppb. 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. TX0570085.
9 home internet providers serve Glenn Heights
100% of 6,220 addresses can get 100/20 Mbps; 83% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 98% | 1,000/1,000 |
| AT&T | Fiber, DSL, Fixed wireless | 89% | 5,000/5,000 |
| Rise Broadband | Fixed wireless | 95% | 50/10 |
| Nextlink | Fixed wireless | 65% | 500/100 |
| T-Mobile | Fixed wireless | 37% | 100/20 |
| Verizon | Fixed wireless | 32% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Curbside recycling in Glenn Heights: every other week, same day as trash
Pickup days, the drop-off and recycling in Glenn Heights, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check glennheightstx.gov →
From glennheightstx.gov, the town’s official site, checked Oct 23, 2026; pages dated June 1, 2023. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Glenn Heights (67%) is in DeSoto Independent School District; parts are in Red Oak Independent School District (33%).
CSchool 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 Jan 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Glenn Heights is in ZIP code 75154
ZIP codes where Glenn Heights residents live, with the share of the town in each.
| ZIP | Post office name | Share of Glenn Heights | ZIP’s residents in Glenn Heights |
|---|---|---|---|
| 75154 | Red Oak, TX | 100% | 34% |
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 Glenn Heights
Who supplies Glenn Heights’ drinking water, and has it had violations?
The City of Glenn Heights water system (EPA ID TX0570085). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Glenn Heights?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Glenn Heights?
Spectrum, AT&T, Rise Broadband, Nextlink, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Glenn Heights?
75154. Census 2020 ZIP Code Tabulation Areas.
What school district is Glenn Heights in?
DeSoto Independent School District. Parts of the city are in Red Oak Independent School District.
How do I register to vote in Glenn Heights?
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 Dallas 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: Glenn Heights’ own website (glennheightstx.gov), read Oct 23, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.