Living in Plum Grove, TX: what to set up and who to call
Most mail in Plum Grove goes to 77327 (99% of residents), one of 2 ZIP codes in town. The closest ER is Memorial Hermann Surgical Hospital Kingwood, 14.4 miles away.
I’m new in town
What to set up in Plum Grove, 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 Plum Grove.
Power comes from Entergy Texas
Entergy Texas (Entergy Texas Inc.), an investor-owned utility, serves all of Plum Grove. 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 Grand San Jacinto Water System
Grand San Jacinto Water System supplies Plum Grove: about 38% of residents live in its service area. Montebello Utility serves another 10%. Hwy 59 Estates serves another 9%. About 46% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists Camino Real as seller) and serves 6,174 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 1.8 ppb, below the 15 ppb action level that applied. That’s higher than 65% 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. TX1460179.
4 home internet providers serve Plum Grove
90% of 506 addresses can get 100/20 Mbps; 88% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Fiber | 76% | 2,000/2,000 |
| AT&T | Fiber, Fixed wireless, DSL | 65% | 5,000/5,000 |
| Verizon | Fixed wireless | 60% | 300/20 |
| T-Mobile | Fixed wireless | 12% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Plum Grove’s trash rules yet
Pickup rules, the dump and recycling in Plum Grove.
Where your child goes to school
Public school districts and the school path by grade.
Plum Grove is in Cleveland Independent School District.
DSchool 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.
Plum Grove spans 2 ZIP codes
ZIP codes where Plum Grove residents live, with the share of the town in each.
| ZIP | Post office name | Share of Plum Grove | ZIP’s residents in Plum Grove |
|---|---|---|---|
| 77327 | Cleveland, TX | 99% | 4% |
| 77372 | Splendora, TX | 1% | 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 Plum Grove
Who supplies Plum Grove’s drinking water, and has it had violations?
Grand San Jacinto Water System (EPA ID TX1460179). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 1.8 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Plum Grove?
Entergy Texas (Entergy Texas Inc.), an investor-owned utility. Its homes paid about 13.9¢ per kWh in 2025 (EIA).
What internet providers serve Plum Grove?
Xfinity, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Plum Grove?
77327 (99%), 77372 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Plum Grove in?
Cleveland Independent School District.
How do I register to vote in Plum Grove?
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 Liberty 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.