Living in San Ysidro, NM: what to set up and who to call
The Dona Ana Mdwca water system reported 13 health-based violations to EPA in the last five years: a groundwater treatment requirement (Groundwater Rule) ×10, uranium ×3. 83% of systems its size reported none. San Ysidro has no town government of its own, so Doña Ana County runs its elections and most services, and its children attend Las Cruces Public Schools.
I’m new in town
What to set up in San Ysidro, 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 Ysidro.
Power comes from El Paso Electric
El Paso Electric (El Paso Electric Co), an investor-owned utility, serves all of San Ysidro. Its homes paid an average of 10.3¢ per kWh in 2025, about $74 a month (its average across New Mexico).
Start or move service: epelectric.com · (800) 592-1634
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Dona Ana Mdwca water system
The Dona Ana Mdwca water system supplies almost all of San Ysidro. It draws ground water and serves 16,987 people in all.
13 health-based violations reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×10, uranium ×3, the latest beginning Apr 2026. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 1.9 ppb, below the 15 ppb action level that applied. The highest in five years was 2.5 ppb. That’s higher than 64% 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. NM3554307.
8 home internet providers serve San Ysidro
100% of 809 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 96% | 1,200/35 |
| CenturyLink | DSL | 69% | 80/10 |
| Verizon | Fixed wireless | 84% | 300/20 |
| T-Mobile | Fixed wireless | 67% | 100/20 |
| WNM Communications | Fixed wireless | 28% | 100/20 |
| Chaparral Wireless | Fixed wireless | 17% | 500/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 4 miles away
Pickup rules, the dump and recycling in San Ysidro.
Amador Avenue Transfer Station
2865 West Amador Avenue, Las Cruces, NM · run by SCSWA
This isn’t San Ysidro’s own facility. Whether San Ysidro residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
San Ysidro is in Las Cruces Public Schools.
B−School gradeSee 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 Ysidro is unincorporated, so Doña Ana County is the local government.
Election office: FVAP local election office directory, updated Jul 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 27, 2026.
San Ysidro is in ZIP code 88007
ZIP codes where San Ysidro residents live, with the share of the town in each.
| ZIP | Post office name | Share of San Ysidro | ZIP’s residents in San Ysidro |
|---|---|---|---|
| 88007 | Las Cruces, NM | 100% | 9% |
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 Ysidro
Who supplies San Ysidro’s drinking water, and has it had violations?
The Dona Ana Mdwca water system (EPA ID NM3554307). It reported 13 health-based violations to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×10, uranium ×3. 83% of systems its size had none. Its latest lead 90th percentile was 1.9 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in San Ysidro?
El Paso Electric (El Paso Electric Co), an investor-owned utility. Its homes paid about 10.3¢ per kWh in 2025 (EIA).
What internet providers serve San Ysidro?
Xfinity, CenturyLink, Verizon, T-Mobile, WNM Communications, Chaparral Wireless (FCC, as of December 2025).
What ZIP codes are in San Ysidro?
88007. Census 2020 ZIP Code Tabulation Areas.
What school district is San Ysidro in?
Las Cruces Public Schools.
How do I register to vote in San Ysidro?
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 Dona Ana County Bureau of Elections. 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 National Broadband Map, as of December 2025.