Living in Siesta Shores, TX: what to set up and who to call
Siesta Shores has no town government of its own, so Zapata County runs its elections and most services, and its children attend Zapata County Independent School District. Tap water in Siesta Shores comes from the Siesta Shores Wcid 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 Siesta Shores, 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 Siesta Shores.
Power comes from Medina Electric Coop
Medina Electric Coop (Medina Electric Coop, Inc), a cooperative utility, serves all of Siesta Shores. Its homes paid an average of 12.5¢ per kWh in 2025, about $144 a month (its average across Texas).
Start or move service: medinaec.org · (866) 632-3532
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Siesta Shores Wcid water system
The Siesta Shores Wcid water system supplies almost all of Siesta Shores. It draws surface water and serves 1,893 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2025, 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. TX2530004.
2 home internet providers serve Siesta Shores
97% of 770 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 96% | 1,000/1,000 |
| Texhoma Fiber | Fixed wireless | 69% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Siesta Shores’ trash rules yet
Pickup rules, the dump and recycling in Siesta Shores.
Where your child goes to school
Public school districts and the school path by grade.
Siesta Shores is in Zapata County 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.
No town hall: the county runs things
Siesta Shores is unincorporated, so Zapata County is the local government.
Election office: FVAP local election office directory, updated Aug 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Siesta Shores is in ZIP code 78076
ZIP codes where Siesta Shores residents live, with the share of the town in each.
| ZIP | Post office name | Share of Siesta Shores | ZIP’s residents in Siesta Shores |
|---|---|---|---|
| 78076 | Zapata, TX | 100% | 11% |
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 Siesta Shores
Who supplies Siesta Shores’ drinking water, and has it had violations?
The Siesta Shores Wcid water system (EPA ID TX2530004). 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–Jun 2025), against a 15 ppb action level.
Who provides electricity in Siesta Shores?
Medina Electric Coop (Medina Electric Coop, Inc), a cooperative utility. Its homes paid about 12.5¢ per kWh in 2025 (EIA).
What internet providers serve Siesta Shores?
Spectrum, Texhoma Fiber (FCC, as of December 2025).
What ZIP codes are in Siesta Shores?
78076. Census 2020 ZIP Code Tabulation Areas.
What school district is Siesta Shores in?
Zapata County Independent School District.
How do I register to vote in Siesta Shores?
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 Zapata 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.