Living in Shady Hollow, TX: what to set up and who to call
Shady Hollow 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 Shady Hollow comes from Shady Hollow MUD, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result below detection.
I’m new in town
What to set up in Shady Hollow, 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 Shady Hollow.
Power comes from Pedernales Electric Coop
Pedernales Electric Coop (Pedernales Electric Coop, Inc), a cooperative utility, serves all of Shady Hollow. 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 Shady Hollow MUD
Shady Hollow MUD supplies Shady Hollow: about 69% of residents live in its service area. Shady Hollow Estates WSC serves another 16%. City of Austin Water & Wastewater serves another 7%. About 14% 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 City of Austin Water & Wastewater as seller) and serves 4,269 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 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 0.7 ppb. 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. TX2270229.
5 home internet providers serve Shady Hollow
100% of 1,798 addresses can get 100/20 Mbps; 52% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 100% | 1,000/35 |
| AT&T | DSL, Fixed wireless | 96% | 100/20 |
| Google Fiber | Fiber | 51% | 8,000/8,000 |
| Verizon | Fixed wireless | 93% | 300/20 |
| T-Mobile | Fixed wireless | 15% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Shady Hollow’s trash rules yet
Pickup rules, the dump and recycling in Shady Hollow.
Where your child goes to school
Public school districts and the school path by grade.
Shady Hollow 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
Shady Hollow 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.
Shady Hollow spans 2 ZIP codes
ZIP codes where Shady Hollow residents live, with the share of the town in each.
| ZIP | Post office name | Share of Shady Hollow | ZIP’s residents in Shady Hollow |
|---|---|---|---|
| 78739 | Austin, TX | 60% | 13% |
| 78748 | Austin, TX | 40% | 3% |
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 Shady Hollow
Who supplies Shady Hollow’s drinking water, and has it had violations?
Shady Hollow MUD (EPA ID TX2270229). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Shady Hollow?
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 Shady Hollow?
Spectrum, AT&T, Google Fiber, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Shady Hollow?
78739 (60%), 78748 (40%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Shady Hollow in?
Austin Independent School District.
How do I register to vote in Shady Hollow?
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.