Huebner-Onion Homestead and Stagecoach Stop · Photo: 25or6to4 · CC BY-SA 3.0Living in Leon Valley, TX: what to set up and who to call
Tap water in Leon Valley comes from the City of Leon Valley water system, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result of 1.0 ppb. Power in Leon Valley comes from City of San Antonio, a municipal utility rather than a private company.
I’m new in town
What to set up in Leon Valley, 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 Leon Valley.
Power comes from City of San Antonio
City of San Antonio (City of San Antonio - (TX)), a municipal utility, serves all of Leon Valley. Its homes paid an average of 12.4¢ per kWh in 2025, about $133 a month (its average across Texas).
Start or move service: cpsenergy.com · (800) 773-3077
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Leon Valley water system
The City of Leon Valley water system supplies Leon Valley: about 94% 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 draws ground water (EPA lists San Antonio Water System as seller) and serves 7,794 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 1.0 ppb, below the 15 ppb action level that applied. The highest in five years was 2.8 ppb. 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. TX0150178.
7 home internet providers serve Leon Valley
97% of 3,643 addresses can get 100/20 Mbps; 84% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 96% | 1,000/35 |
| AT&T | DSL, Fixed wireless, Fiber | 90% | 5,000/5,000 |
| Google Fiber | Fiber | 87% | 8,000/8,000 |
| Verizon | Fixed wireless | 90% | 300/20 |
| T-Mobile | Fixed wireless | 45% | 100/20 |
| VTX1 | Fixed wireless | 24% | 400/50 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 3 miles away
Pickup rules, the dump and recycling in Leon Valley.
San Antonio Household Hazardous Waste Disposal
7030 Culebra Road, San Antonio, TX, 78238 · run by City of San Antonio
This isn’t Leon Valley’s own facility. Whether Leon Valley residents may use it is the town’s rule: check leonvalleytexas.gov.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Leon Valley is in Northside Independent School District.
C+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.
Leon Valley spans 2 ZIP codes
ZIP codes where Leon Valley residents live, with the share of the town in each.
| ZIP | Post office name | Share of Leon Valley | ZIP’s residents in Leon Valley |
|---|---|---|---|
| 78238 | San Antonio, TX | 63% | 28% |
| 78240 | San Antonio, TX | 37% | 8% |
A few homes fall in 78228.
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 Leon Valley
Who supplies Leon Valley’s drinking water, and has it had violations?
The City of Leon Valley water system (EPA ID TX0150178). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 1.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Leon Valley?
City of San Antonio (City of San Antonio - (TX)), a municipal utility. Its homes paid about 12.4¢ per kWh in 2025 (EIA).
What internet providers serve Leon Valley?
Spectrum, AT&T, Google Fiber, Verizon, T-Mobile, VTX1 (FCC, as of December 2025).
What ZIP codes are in Leon Valley?
78238 (63%), 78240 (37%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Leon Valley in?
Northside Independent School District.
How do I register to vote in Leon Valley?
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 Bexar 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.