Living in Mont Belvieu, TX: what to set up and who to call
The City of Mont Belvieu water system reported 5 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×5. 83% of systems its size reported none. The closest ER is Houston Methodist Baytown Hospital, 8.3 miles away.
I’m new in town
What to set up in Mont Belvieu, 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 Mont Belvieu.
Power comes from Entergy Texas
Entergy Texas (Entergy Texas Inc.), an investor-owned utility, serves all of Mont Belvieu. Its homes paid an average of 13.9¢ per kWh in 2025, about $172 a month (its average across Texas).
Start or move service: entergy-texas.com · (800) 368-3749
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Mont Belvieu water system
The City of Mont Belvieu water system supplies almost all of Mont Belvieu. It draws ground water and serves 12,864 people in all.
5 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×5, the latest beginning Jan 2026. 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–Jun 2026, was 2.5 ppb, below the 15 ppb action level that applied. That’s higher than 75% 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. TX0360017.
9 home internet providers serve Mont Belvieu
100% of 3,068 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| MBLink | Fiber | 100% | 1,000/1,000 |
| Xfinity | Cable, Fiber | 72% | 2,000/250 |
| Frontier | Fiber | 43% | 7,000/7,000 |
| AT&T | Fixed wireless, DSL | 34% | 25/3 |
| Optimum | Cable | 33% | 940/35 |
| Rise Broadband | Fixed wireless | 84% | 50/10 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Mont Belvieu’s trash rules yet
Pickup rules, the dump and recycling in Mont Belvieu.
Where your child goes to school
Public school districts and the school path by grade.
Most of Mont Belvieu (98%) is in Barbers Hill Independent School District; parts are in Dayton Independent School District (2%).
ASchool 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.
Mont Belvieu spans 3 ZIP codes
ZIP codes where Mont Belvieu residents live, with the share of the town in each.
| ZIP | Post office name | Share of Mont Belvieu | ZIP’s residents in Mont Belvieu |
|---|---|---|---|
| 77523 | Baytown, TX | 78% | 22% |
| 77535 | Dayton, TX | 21% | 4% |
| 77580 | Mont Belvieu, TX | 1% | 100% |
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 Mont Belvieu
Who supplies Mont Belvieu’s drinking water, and has it had violations?
The City of Mont Belvieu water system (EPA ID TX0360017). It reported 5 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×5. 83% of systems its size had none. Its latest lead 90th percentile was 2.5 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Mont Belvieu?
Entergy Texas (Entergy Texas Inc.), an investor-owned utility. Its homes paid about 13.9¢ per kWh in 2025 (EIA).
What internet providers serve Mont Belvieu?
MBLink, Xfinity, Frontier, AT&T, Optimum, Rise Broadband (FCC, as of December 2025).
What ZIP codes are in Mont Belvieu?
77523 (78%), 77535 (21%), 77580 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Mont Belvieu in?
Barbers Hill Independent School District. Parts of the city are in Dayton Independent School District.
How do I register to vote in Mont Belvieu?
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 Chambers 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.