Photo: Larry D. Moore · CC BY 4.0Living in Seguin, TX: what to set up and who to call
Seguin runs its own electric utility, City of Seguin; its homes paid 11.1¢ per kWh in 2025. The City of Seguin water system reported one health-based violation to EPA in the last five years: disinfection byproducts (TTHM), beginning Oct 2024.
I’m new in town
What to set up in Seguin, 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 Seguin.
Power comes from City of Seguin
City of Seguin (City of Seguin - (TX)), a municipal utility, serves 77.6% of Seguin residents. Its homes paid an average of 11.1¢ per kWh in 2025, about $112 a month (its average across Texas).
Start or move service: seguintexas.gov · (830) 401-2404
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Seguin water system
The City of Seguin water system supplies Seguin: about 78% of residents live in its service area. Springs Hill SUD serves another 21%. It draws surface water (EPA lists Schertz Seguin Local Government Corporat as seller) and serves 32,736 people in all.
1 health-based violation reported to EPA in the five years to October 2026: disinfection byproducts (TTHM), beginning Oct 2024. 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 2023–Dec 2025, was 1.4 ppb, below the 15 ppb action level that applied. The highest in five years was 2.5 ppb. That’s higher than 57% 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. TX0940002.
6 home internet providers serve Seguin
98% of 12,681 addresses can get 100/20 Mbps; 54% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Guadalupe Valley Electric Coop | Fixed wireless, Fiber | 100% | 1,000/1,000 |
| Spectrum | Cable, Fiber | 94% | 1,000/1,000 |
| AT&T | Fiber, Fixed wireless, DSL | 77% | 5,000/5,000 |
| Verizon | Fixed wireless | 88% | 300/20 |
| VTX1 | Fixed wireless | 87% | 400/50 |
| T-Mobile | Fixed wireless | 54% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Seguin depends on your street
Pickup days, the drop-off and recycling in Seguin, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayLook up your day on seguintexas.gov
City of Seguin Recycling Center
634 Fred Byrd Drive, 78155
We couldn’t find its opening hours.
Accepted at the curb
- Rinsed plastic bottles and jugs
- Rinsed glass bottles and jars
- Clean paper, books, magazines, newspaper
- Rinsed metal and aluminum cans
- Clean food boxes, cardboard (flattened)
From seguintexas.gov, the town’s official site, checked Oct 21, 2026; pages dated 2021. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Seguin (77%) is in Seguin Independent School District; parts are in Navarro Independent School District (23%).
CSchool 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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Seguin is in ZIP code 78155
ZIP codes where Seguin residents live, with the share of the town in each.
| ZIP | Post office name | Share of Seguin | ZIP’s residents in Seguin |
|---|---|---|---|
| 78155 | Seguin, TX | 100% | 57% |
78156 is P.O. box or single-organization ZIP with no homes.
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 Seguin
Who supplies Seguin’s drinking water, and has it had violations?
The City of Seguin water system (EPA ID TX0940002). It reported 1 health-based violation to EPA in the five years to October 2026: disinfection byproducts (TTHM). 83% of systems its size had none. Its latest lead 90th percentile was 1.4 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Seguin?
City of Seguin (City of Seguin - (TX)), a municipal utility. Its homes paid about 11.1¢ per kWh in 2025 (EIA).
What internet providers serve Seguin?
Guadalupe Valley Electric Coop, Spectrum, AT&T, Verizon, VTX1, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Seguin?
78155. Census 2020 ZIP Code Tabulation Areas.
What school district is Seguin in?
Seguin Independent School District. Parts of the city are in Navarro Independent School District.
How do I register to vote in Seguin?
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 Guadalupe 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: Seguin’s own website (seguintexas.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.