Living in Martha, OK: what to set up and who to call
The Martha water system reported 12 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×11, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 77% of systems its size reported none. Power in Martha comes from Southwest Rural Elec Assn, a cooperative utility rather than a private company.
I’m new in town
What to set up in Martha, 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 Martha.
Power comes from Southwest Rural Elec Assn
Southwest Rural Elec Assn (Southwest Rural Elec Assn Inc), a cooperative utility, serves all of Martha.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Martha water system
The Martha water system supplies almost all of Martha. It buys treated surface water (EPA lists Altus as seller) and serves 205 people in all.
12 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×11, a lead and copper treatment requirement (Lead and Copper Rule Revisions), the latest beginning Apr 2026. 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–Jun 2024, was 2.8 ppb, below the 15 ppb action level that applied. That’s higher than 80% 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. OK3003304.
3 home internet providers serve Martha
100% of 98 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Southwest Oklahoma Telephone Company | Fixed wireless, Fiber, DSL | 100% | 500/100 |
| Nextlink | Fixed wireless | 100% | 1,000/1,000 |
| Verizon | Fixed wireless | 3% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Martha’s trash rules yet
Pickup rules, the dump and recycling in Martha.
Where your child goes to school
Public school districts and the school path by grade.
Most of Martha (58%) is in Navajo Public Schools; parts are in Blair Public Schools (31%) and Altus Public Schools (11%).
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 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Martha is in ZIP code 73556
ZIP codes where Martha residents live, with the share of the town in each.
| ZIP | Post office name | Share of Martha | ZIP’s residents in Martha |
|---|---|---|---|
| 73556 | Martha, OK | 100% | 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 Martha
Who supplies Martha’s drinking water, and has it had violations?
The Martha water system (EPA ID OK3003304). It reported 12 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×11, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 77% of systems its size had none. Its latest lead 90th percentile was 2.8 ppb (Jan–Jun 2024), against a 15 ppb action level.
Who provides electricity in Martha?
Southwest Rural Elec Assn (Southwest Rural Elec Assn Inc), a cooperative utility.
What internet providers serve Martha?
Southwest Oklahoma Telephone Company, Nextlink, Verizon (FCC, as of December 2025).
What ZIP codes are in Martha?
73556. Census 2020 ZIP Code Tabulation Areas.
What school district is Martha in?
Navajo Public Schools. Parts of the city are in Blair Public Schools and Altus Public Schools.
How do I register to vote in Martha?
In Oklahoma you can register online until 25 days before Election Day, in person until 25 days before Election Day, or by mail (received 25 days before). Elections here are run by the Secretary, Jackson County Election Board. Check your registration at okvoterportal.okelections.us.
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 Sep 12, 2025 (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.