Living in San Antonio, NM: what to set up and who to call
San Antonio has no town government of its own, so Socorro County runs its elections and most services, and its children attend Socorro Consolidated Schools. Power in San Antonio comes from Socorro Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in San Antonio, 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 San Antonio.
Power comes from Socorro Electric Coop
Socorro Electric Coop (Socorro Electric Coop, Inc), a cooperative utility, serves all of San Antonio.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from San Antonio Mdwca water system
The San Antonio Mdwca water system supplies almost all of San Antonio. It draws ground water and serves 1,344 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 69% 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. NM3573928.
Which providers serve San Antonio
This card will list the home internet providers the FCC’s National Broadband Map shows in San Antonio, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have San Antonio’s trash rules yet
Pickup rules, the dump and recycling in San Antonio.
Where your child goes to school
Public school districts and the school path by grade.
San Antonio is in Socorro Consolidated Schools.
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.
No town hall: the county runs things
San Antonio is unincorporated, so Socorro County is the local government.
Election office: FVAP local election office directory, updated Aug 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 27, 2026.
San Antonio spans 2 ZIP codes
ZIP codes where San Antonio residents live, with the share of the town in each.
| ZIP | Post office name | Share of San Antonio | ZIP’s residents in San Antonio |
|---|---|---|---|
| 87832 | San Antonio, NM | 83% | 18% |
| 87801 | Socorro, NM | 17% | 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 San Antonio
Who supplies San Antonio’s drinking water, and has it had violations?
The San Antonio Mdwca water system (EPA ID NM3573928). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in San Antonio?
Socorro Electric Coop (Socorro Electric Coop, Inc), a cooperative utility.
What ZIP codes are in San Antonio?
87832 (83%), 87801 (17%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is San Antonio in?
Socorro Consolidated Schools.
How do I register to vote in San Antonio?
In New Mexico you can register online until 28 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before). Elections here are run by the Socorro County Clerk. Check your registration at voterportal.servis.sos.state.nm.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 Aug 27, 2026 (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): pending.