Photo: AllenS · Public domainLiving in White Rock, NM: what to set up and who to call
White Rock has no town government of its own, so Los Alamos County runs its elections and most services, and its children attend Los Alamos Public Schools. Power in White Rock comes from Jemez Mountains Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in White Rock, 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 White Rock.
Power comes from Jemez Mountains Elec Coop
Jemez Mountains Elec Coop (Jemez Mountains Elec Coop, Inc), a cooperative utility, serves all of White Rock. Its homes paid an average of 15.8¢ per kWh in 2025, about $90 a month (its average across New Mexico).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Los Alamos Municipal Water System
Los Alamos Municipal Water System supplies almost all of White Rock. It draws ground water and serves 25,000 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 1.3 ppb, below the 15 ppb action level that applied. That’s higher than 54% 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. NM3500115.
6 home internet providers serve White Rock
100% of 2,401 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 1,200/35 |
| CenturyLink | DSL | 29% | 40/3 |
| NMSurf | Fixed wireless | 100% | 200/50 |
| T-Mobile | Fixed wireless | 71% | 100/20 |
| Stimulus Technologies | Fixed wireless | 11% | 40/20 |
| Ethos Broadband | Fixed wireless | 6% | 100/25 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
White Rock has its own drop-off: White Rock Transfer Station
Where to take trash and recycling in White Rock, and where the rules are.
White Rock Transfer Station
Before you go, check the rules with the town.
OpenStreetMap, as of Oct 9, 2026 (last edited May 2023). © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
White Rock is in Los Alamos Public Schools.
A+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
White Rock is unincorporated, so Los Alamos County is the local government.
Election office: FVAP local election office directory, updated Jun 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 27, 2026.
White Rock is in ZIP code 87547
ZIP codes where White Rock residents live, with the share of the town in each.
| ZIP | Post office name | Share of White Rock | ZIP’s residents in White Rock |
|---|---|---|---|
| 87547 | White Rock, NM | 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 White Rock
Who supplies White Rock’s drinking water, and has it had violations?
Los Alamos Municipal Water System (EPA ID NM3500115). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 1.3 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in White Rock?
Jemez Mountains Elec Coop (Jemez Mountains Elec Coop, Inc), a cooperative utility. Its homes paid about 15.8¢ per kWh in 2025 (EIA).
What internet providers serve White Rock?
Xfinity, CenturyLink, NMSurf, T-Mobile, Stimulus Technologies, Ethos Broadband (FCC, as of December 2025).
What ZIP codes are in White Rock?
87547. Census 2020 ZIP Code Tabulation Areas.
What school district is White Rock in?
Los Alamos Public Schools.
How do I register to vote in White Rock?
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 Los Alamos 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 National Broadband Map, as of December 2025.