Living in Marietta, TX: what to set up and who to call
The City of Marietta water system reported 3 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×3. 77% of systems its size reported none. The ER is a drive from Marietta: the closest is Titus Regional Medical Center, 25.2 miles away.
I’m new in town
What to set up in Marietta, 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 Marietta.
Power comes from SWEPCO
SWEPCO (Southwestern Electric Power Co.), an investor-owned utility, serves all of Marietta. Its homes paid an average of 12.6¢ per kWh in 2025, about $146 a month (its average across Texas).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Marietta water system
The City of Marietta water system supplies almost all of Marietta. It draws ground water and serves 115 people in all.
3 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×3, the latest beginning Jan 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 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. TX0340017.
2 home internet providers serve Marietta
90% of 90 addresses can get 100/20 Mbps; 78% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Valor Telecommunications of Texas | DSL | 86% | 200/20 |
| Spectrum | Fiber | 82% | 1,000/1,000 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Marietta’s trash rules yet
Pickup rules, the dump and recycling in Marietta.
Where your child goes to school
Public school districts and the school path by grade.
Marietta is in Pewitt Consolidated Independent School District.
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.
Marietta is in ZIP code 75566
ZIP codes where Marietta residents live, with the share of the town in each.
| ZIP | Post office name | Share of Marietta | ZIP’s residents in Marietta |
|---|---|---|---|
| 75566 | Marietta, TX | 100% | 17% |
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 Marietta
Who supplies Marietta’s drinking water, and has it had violations?
The City of Marietta water system (EPA ID TX0340017). It reported 3 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×3. 77% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Marietta?
SWEPCO (Southwestern Electric Power Co.), an investor-owned utility. Its homes paid about 12.6¢ per kWh in 2025 (EIA).
What internet providers serve Marietta?
Valor Telecommunications of Texas, Spectrum (FCC, as of December 2025).
What ZIP codes are in Marietta?
75566. Census 2020 ZIP Code Tabulation Areas.
What school district is Marietta in?
Pewitt Consolidated Independent School District.
How do I register to vote in Marietta?
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 Cass 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.