Living in Barton Creek, TX: what to set up and who to call
Barton Creek has no town government of its own, so Travis County runs its elections and most services, and its children attend Austin Independent School District. Tap water in most of Barton Creek comes from Barton Creek WSC, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result of 0.1 ppb.
I’m new in town
What to set up in Barton Creek, 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 Barton Creek.
Power comes from Pedernales Electric Coop
Pedernales Electric Coop (Pedernales Electric Coop, Inc), a cooperative utility, serves all of Barton Creek. 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 Barton Creek WSC
Barton Creek WSC supplies Barton Creek: about 62% of residents live in its service area. Travis County Wcid 19 serves another 20%. Travis County MUD 4 serves another 7%. About 20% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Travis County MUD 4 as seller) and serves 633 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 5,327 systems serving 501–1,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 0.1 ppb, below the 15 ppb action level that applied. The highest in five years was 1.0 ppb. That’s lower than 59% 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. TX2270313.
4 home internet providers serve Barton Creek
96% of 1,261 addresses can get 100/20 Mbps; 35% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 94% | 1,000/1,000 |
| AT&T | Fiber, DSL, Fixed wireless | 72% | 5,000/5,000 |
| T-Mobile | Fixed wireless | 74% | 100/20 |
| Verizon | Fixed wireless | 73% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Barton Creek’s trash rules yet
Pickup rules, the dump and recycling in Barton Creek.
Where your child goes to school
Public school districts and the school path by grade.
Barton Creek is in Austin Independent School District.
B−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
Barton Creek is unincorporated, so Travis County is the local government.
Election office: FVAP local election office directory, updated Mar 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Barton Creek is in ZIP code 78735
ZIP codes where Barton Creek residents live, with the share of the town in each.
| ZIP | Post office name | Share of Barton Creek | ZIP’s residents in Barton Creek |
|---|---|---|---|
| 78735 | Austin, TX | 100% | 16% |
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 Barton Creek
Who supplies Barton Creek’s drinking water, and has it had violations?
Barton Creek WSC (EPA ID TX2270313). 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 0.1 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Barton Creek?
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 Barton Creek?
Spectrum, AT&T, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Barton Creek?
78735. Census 2020 ZIP Code Tabulation Areas.
What school district is Barton Creek in?
Austin Independent School District.
How do I register to vote in Barton Creek?
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.