Living in La Presa, TX: what to set up and who to call
Webb County Water Utilities reported 14 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×13, disinfection byproducts (HAA5). 80% of systems its size reported none. La Presa has no town government of its own, so Webb County runs its elections and most services, and its children attend United Independent School District.
I’m new in town
What to set up in La Presa, 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 La Presa.
Power comes from Medina Electric Coop
Medina Electric Coop (Medina Electric Coop, Inc), a cooperative utility, serves all of La Presa. 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 Webb County Water Utilities
Webb County Water Utilities supplies almost all of La Presa. It draws surface water and serves 8,358 people in all.
14 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×13, disinfection byproducts (HAA5), the latest beginning Apr 2026. 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 2024–Dec 2026, 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. TX2400022.
3 home internet providers serve La Presa
67% of 125 addresses can get 100/20 Mbps; 51% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Texhoma Fiber | Fiber | 42% | 1,000/500 |
| AT&T | Fixed wireless | 43% | 100/20 |
| Verizon | Fixed wireless | 9% | 25/6 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have La Presa’s trash rules yet
Pickup rules, the dump and recycling in La Presa.
Where your child goes to school
Public school districts and the school path by grade.
La Presa is in United Independent School District.
Test scores and every school: see 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
La Presa is unincorporated, so Webb County is the local government.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
La Presa is in ZIP code 78046
ZIP codes where La Presa residents live, with the share of the town in each.
| ZIP | Post office name | Share of La Presa | ZIP’s residents in La Presa |
|---|---|---|---|
| 78046 | Laredo, TX | 100% | 0% |
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 La Presa
Who supplies La Presa’s drinking water, and has it had violations?
Webb County Water Utilities (EPA ID TX2400022). It reported 14 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×13, disinfection byproducts (HAA5). 80% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in La Presa?
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 La Presa?
Texhoma Fiber, AT&T, Verizon (FCC, as of December 2025).
What ZIP codes are in La Presa?
78046. Census 2020 ZIP Code Tabulation Areas.
What school district is La Presa in?
United Independent School District.
How do I register to vote in La Presa?
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 Webb 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.