Photo: Michael Barera · CC BY-SA 4.0Living in Carl's Corner, TX: what to set up and who to call
The City of Carls Corner 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 Carl's Corner, but in Texas’s open market you choose the company that sells it.
I’m new in town
What to set up in Carl's Corner, 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 Carl's Corner.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Carl's Corner.
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 Carls Corner water system
The City of Carls Corner water system supplies almost all of Carl's Corner. It draws ground water and serves 130 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. 77% of the 15,074 systems serving 101–500 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.4 ppb, below the 15 ppb action level that applied. That’s lower than 56% 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. TX1090070.
Which providers serve Carl's Corner
This card will list the home internet providers the FCC’s National Broadband Map shows in Carl's Corner, 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 Carl's Corner’s trash rules yet
Pickup rules, the dump and recycling in Carl's Corner.
Where your child goes to school
Public school districts and the school path by grade.
Most of Carl's Corner (59%) is in Hillsboro Independent School District; parts are in Itasca Independent School District (41%).
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.
Carl's Corner spans 2 ZIP codes
ZIP codes where Carl's Corner residents live, with the share of the town in each.
| ZIP | Post office name | Share of Carl's Corner | ZIP’s residents in Carl's Corner |
|---|---|---|---|
| 76670 | Milford, TX | 79% | 10% |
| 76645 | Hillsboro, TX | 21% | 0% |
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 Carl's Corner
Who supplies Carl's Corner’s drinking water, and has it had violations?
The City of Carls Corner water system (EPA ID TX1090070). 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). 77% of systems its size had none. Its latest lead 90th percentile was 0.4 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Carl's Corner?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What ZIP codes are in Carl's Corner?
76670 (79%), 76645 (21%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Carl's Corner in?
Hillsboro Independent School District. Parts of the city are in Itasca Independent School District.
How do I register to vote in Carl's Corner?
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 Hill 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.