Trolley Stop in Alamo Heights · Photo: Renelibrary · CC BY-SA 3.0Living in Alamo Heights, TX: what to set up and who to call
The City of Alamo Heights water system reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. Power in Alamo Heights comes from City of San Antonio, a municipal utility rather than a private company.
I’m new in town
What to set up in Alamo 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 Alamo Heights.
Power comes from City of San Antonio
City of San Antonio (City of San Antonio - (TX)), a municipal utility, serves all of Alamo Heights. 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 Alamo Heights water system
The City of Alamo Heights water system supplies almost all of Alamo Heights. It draws ground water and serves 7,357 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 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 2021–Dec 2023, was 2.8 ppb, below the 15 ppb action level that applied. That’s higher than 79% 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. TX0150039.
6 home internet providers serve Alamo Heights
100% of 2,582 addresses can get 100/20 Mbps; 93% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Astound Broadband | Cable, Fiber | 99% | 1,500/1,500 |
| AT&T | Fiber, Fixed wireless, DSL | 97% | 5,000/5,000 |
| Spectrum | Cable, Fiber | 97% | 1,000/35 |
| Verizon | Fixed wireless | 95% | 300/20 |
| T-Mobile | Fixed wireless | 82% | 100/20 |
| Alamo Broadband | Fixed wireless | 4% | 450/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Alamo Heights
Pickup days, the drop-off and recycling in Alamo Heights, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check alamoheightstx.gov →
From alamoheightstx.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-10-09. 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.
Alamo Heights is in Alamo Heights Independent School District.
ASchool 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.
Alamo Heights is in ZIP code 78209
ZIP codes where Alamo Heights residents live, with the share of the town in each.
| ZIP | Post office name | Share of Alamo Heights | ZIP’s residents in Alamo Heights |
|---|---|---|---|
| 78209 | San Antonio, TX | 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 Alamo Heights
Who supplies Alamo Heights’ drinking water, and has it had violations?
The City of Alamo Heights water system (EPA ID TX0150039). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 80% of systems its size had none. Its latest lead 90th percentile was 2.8 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Alamo Heights?
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 Alamo Heights?
Astound Broadband, AT&T, Spectrum, Verizon, T-Mobile, Alamo Broadband (FCC, as of December 2025).
What ZIP codes are in Alamo Heights?
78209. Census 2020 ZIP Code Tabulation Areas.
What school district is Alamo Heights in?
Alamo Heights Independent School District.
How do I register to vote in Alamo 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 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: Alamo Heights’ own website (alamoheightstx.gov), read Oct 21, 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.