Photo: SunsetValley · CC BY-SA 4.0Living in Sunset Valley, TX: what to set up and who to call
Tap water in Sunset Valley comes from the City of Sunset Valley 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. Power in Sunset Valley comes from Pedernales Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Sunset Valley, 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 Sunset Valley.
Power comes from Pedernales Electric Coop
Pedernales Electric Coop (Pedernales Electric Coop, Inc), a cooperative utility, serves all of Sunset Valley. Its homes paid an average of 12.8¢ per kWh in 2025, about $153 a month (its average across Texas).
Start or move service: pec.coop · (830) 868-7155
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Sunset Valley water system
The City of Sunset Valley water system supplies almost all of Sunset Valley. It buys treated surface water (EPA lists City of Austin Water & Wastewater as seller) and serves 1,524 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 2023–Dec 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. TX2270004.
5 home internet providers serve Sunset Valley
97% of 281 addresses can get 100/20 Mbps; 93% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 95% | 1,000/35 |
| Google Fiber | Fiber | 91% | 8,000/8,000 |
| AT&T | DSL, Fixed wireless, Fiber | 82% | 100/20 |
| Verizon | Fixed wireless | 95% | 300/20 |
| T-Mobile | Fixed wireless | 35% | 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 Sunset Valley.
Recycle & Reuse Drop-off Center
2514 Business Center Drive, Austin, TX, 78744 · run by City of Austin
This isn’t Sunset Valley’s own facility. Whether Sunset Valley residents may use it is the town’s rule: check sunsetvalley.org.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Sunset Valley is in Austin 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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Mar 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Sunset Valley spans 2 ZIP codes
ZIP codes where Sunset Valley residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sunset Valley | ZIP’s residents in Sunset Valley |
|---|---|---|---|
| 78745 | Austin, TX | 95% | 1% |
| 78735 | Austin, TX | 5% | 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 Sunset Valley
Who supplies Sunset Valley’s drinking water, and has it had violations?
The City of Sunset Valley water system (EPA ID TX2270004). 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 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Sunset Valley?
Pedernales Electric Coop (Pedernales Electric Coop, Inc), a cooperative utility. Its homes paid about 12.8¢ per kWh in 2025 (EIA).
What internet providers serve Sunset Valley?
Spectrum, Google Fiber, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Sunset Valley?
78745 (95%), 78735 (5%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Sunset Valley in?
Austin Independent School District.
How do I register to vote in Sunset Valley?
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 Travis 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.