Living in Laguna Heights, TX: what to set up and who to call
Laguna Heights has no town government of its own, so Cameron County runs its elections and most services, and its children attend Point Isabel Independent School District. Power in Laguna Heights comes from Magic Valley Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Laguna 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 Laguna Heights.
Power comes from Magic Valley Electric Coop
Magic Valley Electric Coop (Magic Valley Electric Coop Inc), a cooperative utility, serves all of Laguna Heights. Its homes paid an average of 10.5¢ per kWh in 2025, about $140 a month (its average across Texas).
Start or move service: magicvalley.coop · (866) 225-5683
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Laguna Madre Water District
Laguna Madre Water District supplies almost all of Laguna Heights. It draws surface water and serves 46,674 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 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. TX0310005.
3 home internet providers serve Laguna Heights
94% of 268 addresses can get 100/20 Mbps; 16% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 90% | 1,000/1,000 |
| Smartcom Telephone | Fiber | 15% | 5,000/5,000 |
| Verizon | Fixed wireless | 2% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Laguna Heights’ trash rules yet
Pickup rules, the dump and recycling in Laguna Heights.
Where your child goes to school
Public school districts and the school path by grade.
Laguna Heights is in Point Isabel 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
Laguna Heights is unincorporated, so Cameron 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.
Laguna Heights is in ZIP code 78578
ZIP codes where Laguna Heights residents live, with the share of the town in each.
| ZIP | Post office name | Share of Laguna Heights | ZIP’s residents in Laguna Heights |
|---|---|---|---|
| 78578 | Port Isabel, TX | 100% | 10% |
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 Laguna Heights
Who supplies Laguna Heights’ drinking water, and has it had violations?
Laguna Madre Water District (EPA ID TX0310005). 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 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Laguna Heights?
Magic Valley Electric Coop (Magic Valley Electric Coop Inc), a cooperative utility. Its homes paid about 10.5¢ per kWh in 2025 (EIA).
What internet providers serve Laguna Heights?
Spectrum, Smartcom Telephone, Verizon (FCC, as of December 2025).
What ZIP codes are in Laguna Heights?
78578. Census 2020 ZIP Code Tabulation Areas.
What school district is Laguna Heights in?
Point Isabel Independent School District.
How do I register to vote in Laguna 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 Cameron 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.