Photo: Larry D. Moore · CC BY 4.0Living in Three Rivers, TX: what to set up and who to call
Nueces Electric Cooperative delivers the power in Three Rivers, but in Texas’s open market you choose the company that sells it. The closest public drop-off to Three Rivers is Live Oak County Transfer Station, 5 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Three Rivers, 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 Three Rivers.
Power comes from Nueces Electric Cooperative
Nueces Electric Cooperative (Nueces Electric Cooperative), a cooperative utility, serves all of Three Rivers. Its homes paid an average of 11.3¢ per kWh in 2025, about $149 a month (its average across Texas).
Start or move service: nueceselectric.org · (800) 632-9288
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Three Rivers water system
The City of Three Rivers water system supplies almost all of Three Rivers. It draws surface water and serves 4,428 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 1.8 ppb, below the 15 ppb action level that applied. The highest in five years was 3.5 ppb. That’s higher than 65% 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. TX1490002.
5 home internet providers serve Three Rivers
100% of 847 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| VTX1 | Fiber, Fixed wireless | 100% | 1,000/1,000 |
| Spectrum | Cable | 91% | 1,000/1,000 |
| Frontier | Fiber | 70% | 7,000/7,000 |
| Gtek Communications | Fixed wireless | 88% | 200/20 |
| AT&T | Fixed wireless | 31% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 5 miles away
Pickup rules, the dump and recycling in Three Rivers.
Live Oak County Transfer Station
This isn’t Three Rivers’ own facility. Whether Three Rivers residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Three Rivers is in Three Rivers 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 Sep 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Three Rivers is in ZIP code 78071
ZIP codes where Three Rivers residents live, with the share of the town in each.
| ZIP | Post office name | Share of Three Rivers | ZIP’s residents in Three Rivers |
|---|---|---|---|
| 78071 | Three Rivers, TX | 100% | 36% |
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 Three Rivers
Who supplies Three Rivers’ drinking water, and has it had violations?
The City of Three Rivers water system (EPA ID TX1490002). 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 1.8 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Three Rivers?
Nueces Electric Cooperative (Nueces Electric Cooperative), a cooperative utility. Its homes paid about 11.3¢ per kWh in 2025 (EIA).
What internet providers serve Three Rivers?
VTX1, Spectrum, Frontier, Gtek Communications, AT&T (FCC, as of December 2025).
What ZIP codes are in Three Rivers?
78071. Census 2020 ZIP Code Tabulation Areas.
What school district is Three Rivers in?
Three Rivers Independent School District.
How do I register to vote in Three Rivers?
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 Live Oak 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.