Fort Leaton · Photo: Carol M. Highsmith · Public domainLiving in Presidio, TX: what to set up and who to call
The City of Presidio water system reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. Power in Presidio comes from Rio Grande Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Presidio, 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 Presidio.
Power comes from Rio Grande Electric Coop
Rio Grande Electric Coop (Rio Grande Electric Coop, Inc), a cooperative utility, serves all of Presidio. Its homes paid an average of 18.3¢ per kWh in 2025, about $168 a month (its average across Texas).
Start or move service: riogrande.coop · (830) 563-2444
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Presidio water system
The City of Presidio water system supplies almost all of Presidio. It draws ground water and serves 5,514 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 80% of the 5,012 systems serving 3,301–10,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–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. TX1890002.
4 home internet providers serve Presidio
100% of 1,805 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Big Bend Telephone Company | Fiber | 100% | 1,000/1,000 |
| Mountain Zone TV | Cable, Fixed wireless | 93% | 100/10 |
| T-Mobile | Fixed wireless | 64% | 100/20 |
| AT&T | Fixed wireless | 7% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Presidio’s trash rules yet
Pickup rules, the dump and recycling in Presidio.
Where your child goes to school
Public school districts and the school path by grade.
Presidio is in Presidio Independent School District.
CSchool 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 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Presidio is in ZIP code 79845
ZIP codes where Presidio residents live, with the share of the town in each.
| ZIP | Post office name | Share of Presidio | ZIP’s residents in Presidio |
|---|---|---|---|
| 79845 | Presidio, TX | 100% | 88% |
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 Presidio
Who supplies Presidio’s drinking water, and has it had violations?
The City of Presidio water system (EPA ID TX1890002). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 80% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan–Dec 2024), against a 15 ppb action level.
Who provides electricity in Presidio?
Rio Grande Electric Coop (Rio Grande Electric Coop, Inc), a cooperative utility. Its homes paid about 18.3¢ per kWh in 2025 (EIA).
What internet providers serve Presidio?
Big Bend Telephone Company, Mountain Zone TV, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Presidio?
79845. Census 2020 ZIP Code Tabulation Areas.
What school district is Presidio in?
Presidio Independent School District.
How do I register to vote in Presidio?
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 Presidio 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.