Photo: Lothar1976 · CC BY-SA 3.0Living in Roby, TX: what to set up and who to call
The City of Roby water system reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. Oncor delivers the power in Roby, but in Texas’s open market you choose the company that sells it.
I’m new in town
What to set up in Roby, 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 Roby.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Roby.
Start or move service: oncor.com · (888) 875-6279
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Roby water system
The City of Roby water system supplies almost all of Roby. It buys treated surface water (EPA lists City of Sweetwater as seller) and serves 1,147 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 78% of the 7,966 systems serving 1,001–3,300 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2026, was 1.9 ppb, below the 15 ppb action level that applied. That’s higher than 69% 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. TX0760001.
Which providers serve Roby
This card will list the home internet providers the FCC’s National Broadband Map shows in Roby, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Roby’s trash rules yet
Pickup rules, the dump and recycling in Roby.
Where your child goes to school
Public school districts and the school path by grade.
Roby is in Roby Consolidated 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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Roby is in ZIP code 79543
ZIP codes where Roby residents live, with the share of the town in each.
| ZIP | Post office name | Share of Roby | ZIP’s residents in Roby |
|---|---|---|---|
| 79543 | Roby, TX | 100% | 59% |
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 Roby
Who supplies Roby’s drinking water, and has it had violations?
The City of Roby water system (EPA ID TX0760001). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 1.9 ppb (Jan–Dec 2026), against a 15 ppb action level.
Who provides electricity in Roby?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What ZIP codes are in Roby?
79543. Census 2020 ZIP Code Tabulation Areas.
What school district is Roby in?
Roby Consolidated Independent School District.
How do I register to vote in Roby?
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 Fisher 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): pending.