Living in Black Rock, NM: what to set up and who to call
Black Rock has no town government of its own, so McKinley County runs its elections and most services, and its children attend Zuni Public Schools. Power in Black Rock comes from Continental Divide El Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Black 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 Black Rock.
Power comes from Continental Divide El Coop
Continental Divide El Coop (Continental Divide El Coop Inc), a cooperative utility, serves all of Black Rock. Its homes paid an average of 16.9¢ per kWh in 2025, about $100 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 Zuni Pueblo water system
The Zuni Pueblo water system supplies Black Rock: about 90% of residents live in its service area. About 10% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 11,888 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–Jun 2024, was 1.9 ppb, below the 15 ppb action level that applied. The highest in five years was 17.0 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 (EPA’s estimate). Violations are counted by the start of their compliance period. 063501124.
2 home internet providers serve Black Rock
100% of 385 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Red Bolt Broadband | Fiber | 100% | 1,000/1,000 |
| CenturyLink | DSL | 39% | 60/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Black Rock’s trash rules yet
Pickup rules, the dump and recycling in Black Rock.
Where your child goes to school
Public school districts and the school path by grade.
Black Rock is in Zuni Public Schools.
C−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
Black Rock is unincorporated, so McKinley County is the local government.
Election office: FVAP local election office directory, updated Dec 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 27, 2026.
Black Rock is in ZIP code 87327
ZIP codes where Black Rock residents live, with the share of the town in each.
| ZIP | Post office name | Share of Black Rock | ZIP’s residents in Black Rock |
|---|---|---|---|
| 87327 | Zuni, NM | 100% | 16% |
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 Black Rock
Who supplies Black Rock’s drinking water, and has it had violations?
The Zuni Pueblo water system (EPA ID 063501124). 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 1.9 ppb (Jan–Jun 2024), against a 15 ppb action level.
Who provides electricity in Black Rock?
Continental Divide El Coop (Continental Divide El Coop Inc), a cooperative utility. Its homes paid about 16.9¢ per kWh in 2025 (EIA).
What internet providers serve Black Rock?
Red Bolt Broadband, CenturyLink (FCC, as of December 2025).
What ZIP codes are in Black Rock?
87327. Census 2020 ZIP Code Tabulation Areas.
What school district is Black Rock in?
Zuni Public Schools.
How do I register to vote in Black 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 McKinley 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.