Photo: Cohee at English Wikipedia · Public domainLiving in Spring Branch, TX: what to set up and who to call
Clwsc Canyon Lake Shores reported 6 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×4, a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule) ×2. 83% of systems its size reported none. Power in Spring Branch comes from Pedernales Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Spring Branch, 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 Spring Branch.
Power comes from Pedernales Electric Coop
Pedernales Electric Coop (Pedernales Electric Coop, Inc), a cooperative utility, serves all of Spring Branch. 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 Clwsc Canyon Lake Shores
Clwsc Canyon Lake Shores supplies Spring Branch: about 39% of residents live in its service area. About 61% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water (EPA lists Gbra Western Canyon Water Supply as seller) and serves 44,196 people in all.
6 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×4, a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule) ×2, the latest beginning Apr 2026. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 0.8 ppb, below the 15 ppb action level that applied. The highest in five years was 2.8 ppb. That’s lower than 62% 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. TX0460019.
4 home internet providers serve Spring Branch
92% of 113 addresses can get 100/20 Mbps; 86% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| GVTC | Fiber, DSL | 92% | 5,000/5,000 |
| Verizon | Fixed wireless | 50% | 300/20 |
| T-Mobile | Fixed wireless | 39% | 100/20 |
| AT&T | Fixed wireless | 14% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Spring Branch’s trash rules yet
Pickup rules, the dump and recycling in Spring Branch.
Where your child goes to school
Public school districts and the school path by grade.
Spring Branch is in Comal 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 Sep 2017; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Spring Branch is in ZIP code 78070
ZIP codes where Spring Branch residents live, with the share of the town in each.
| ZIP | Post office name | Share of Spring Branch | ZIP’s residents in Spring Branch |
|---|---|---|---|
| 78070 | Spring Branch, TX | 100% | 1% |
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 Spring Branch
Who supplies Spring Branch’s drinking water, and has it had violations?
Clwsc Canyon Lake Shores (EPA ID TX0460019). It reported 6 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×4, a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule) ×2. 83% of systems its size had none. Its latest lead 90th percentile was 0.8 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Spring Branch?
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 Spring Branch?
GVTC, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Spring Branch?
78070. Census 2020 ZIP Code Tabulation Areas.
What school district is Spring Branch in?
Comal Independent School District.
How do I register to vote in Spring Branch?
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 Comal 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.