Photo: Renelibrary · CC BY-SA 4.0Living in Fairfield, TX: what to set up and who to call
An EPA health-based violation from 2025 is still open for the City of Fairfield water system. Oncor delivers the power in Fairfield, but in Texas’s open market you choose the company that sells it.
I’m new in town
What to set up in Fairfield, 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 Fairfield.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Fairfield.
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 Fairfield water system
The City of Fairfield water system supplies almost all of Fairfield. It draws ground water (EPA lists City of Fairfield - Westwood Utility as seller) and serves 3,005 people in all.
4 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×4, the latest beginning Oct 2025. 78% of the 7,966 systems serving 1,001–3,300 people had none. 2 older violations are still open, since 2025: a lead and copper treatment requirement (Lead and Copper Rule), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2025, was 2.6 ppb, below the 15 ppb action level that applied. The highest in five years was 15.5 ppb. That’s higher than 79% 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. TX0810001.
6 home internet providers serve Fairfield
99% of 1,469 addresses can get 100/20 Mbps; 62% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Vyve Broadband | Cable | 97% | 1,000/50 |
| Valor Telecommunications of Texas | Fiber, DSL | 96% | 2,000/2,000 |
| Spectrum | Fiber | 7% | 1,000/1,000 |
| AT&T | Fixed wireless | 61% | 100/20 |
| Verizon | Fixed wireless | 54% | 300/20 |
| Nextlink | Fixed wireless | 21% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Fairfield’s trash rules yet
Pickup rules, the dump and recycling in Fairfield.
Where your child goes to school
Public school districts and the school path by grade.
Fairfield is in Fairfield Independent School District.
BSchool 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.
Fairfield is in ZIP code 75840
ZIP codes where Fairfield residents live, with the share of the town in each.
| ZIP | Post office name | Share of Fairfield | ZIP’s residents in Fairfield |
|---|---|---|---|
| 75840 | Fairfield, TX | 100% | 41% |
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 Fairfield
Who supplies Fairfield’s drinking water, and has it had violations?
The City of Fairfield water system (EPA ID TX0810001). It reported 4 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×4. 78% of systems its size had none. Its latest lead 90th percentile was 2.6 ppb (Jan–Jun 2025), against a 15 ppb action level.
Who provides electricity in Fairfield?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Fairfield?
Vyve Broadband, Valor Telecommunications of Texas, Spectrum, AT&T, Verizon, Nextlink (FCC, as of December 2025).
What ZIP codes are in Fairfield?
75840. Census 2020 ZIP Code Tabulation Areas.
What school district is Fairfield in?
Fairfield Independent School District.
How do I register to vote in Fairfield?
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 Freestone 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.