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The Union Valley handbook

Living in Union Valley, TX: what to set up and who to call

Oncor delivers the power in Union Valley, but in Texas’s open market you choose the company that sells it. Point Broadband is the only wired internet provider that reaches most of Union Valley.

I’m new in town

What to set up in Union Valley, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Union Valley.

Electricity

Power comes from Oncor

Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Union Valley.

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.

Drinking water · reported to EPA

Water comes from Cash SUD

Cash SUD supplies almost all of Union Valley. It draws surface water (EPA lists North Texas Mwd Wylie WTP and City of Greenville as sellers) and serves 25,875 people in all.

No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.

Lead, 90th percentile3.6 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 3.6 ppb, below the 15 ppb action level that applied. That’s higher than 85% 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. TX1160018.

Internet

8 home internet providers serve Union Valley

97% of 161 addresses can get 100/20 Mbps; 74% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
Point BroadbandFixed wireless, Fiber99%1,000/1,000
Open InfraFiber40%8,000/8,000
SpectrumFiber39%1,000/1,000
AT&TFixed wireless, Fiber38%25/3
Rise BroadbandFixed wireless94%50/10
Peoples CommunicationsFixed wireless75%500/60

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Union Valley’s trash rules yet

Pickup rules, the dump and recycling in Union Valley.

Trash, recycling and bulk pickupNot on fileOpenStreetMap lists no public drop-off in Union Valley or within 5 miles (as of Oct 9, 2026); map coverage varies by town.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Union Valley kids go to
PK–58 elementary schoolsDepends on your address
6–83 middle schoolsDepends on your address
9–122 high schoolsDepends on your address

Most of Union Valley (63%) is in Quinlan Independent School District; parts are in Royse City Independent School District (37%).

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.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Election office: FVAP local election office directory, updated Sep 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Union Valley spans 2 ZIP codes

ZIP codes where Union Valley residents live, with the share of the town in each.

ZIPPost office nameShare of Union ValleyZIP’s residents in Union Valley
75189Royse City, TX86%1%
75474Quinlan, TX14%0%
Area code903Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

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 Union Valley

Who supplies Union Valley’s drinking water, and has it had violations?

Cash SUD (EPA ID TX1160018). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 3.6 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.

Who provides electricity in Union Valley?

Oncor (Oncor Electric Delivery Co.), an investor-owned utility.

What internet providers serve Union Valley?

Point Broadband, Open Infra, Spectrum, AT&T, Rise Broadband, Peoples Communications (FCC, as of December 2025).

What ZIP codes are in Union Valley?

75189 (86%), 75474 (14%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Union Valley in?

Quinlan Independent School District. Parts of the city are in Royse City Independent School District.

How do I register to vote in Union Valley?

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 Hunt 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.