Guest, Sign inJoin

Post to El Cerro Mission

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
The El Cerro Mission handbook

Living in El Cerro Mission, NM: what to set up and who to call

El Cerro Mission has no town government of its own, so Valencia County runs its elections and most services, and its children attend Los Lunas Public Schools. Monterey Water Company Inc. reported one health-based violation to EPA in the last five years: a groundwater treatment requirement (Groundwater Rule), beginning Aug 2023.

El Cerro Mission has no town government. It’s a census-designated place in Valencia County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on El Cerro Mission’s town page under “Getting set up”.

I’m new in town

What to set up in El Cerro Mission, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in El Cerro Mission.

Electricity

Power comes from PNM

PNM (Public Service Co. of New Mexico), an investor-owned utility, serves all of El Cerro Mission. Its homes paid an average of 16.4¢ per kWh in 2025, about $91 a month (its average across New Mexico).

Start or move service: pnmresources.com

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from Monterey Water Company Inc.

Monterey Water Company Inc. supplies El Cerro Mission: about 4% of residents live in its service area. About 96% 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 1,472 people in all.

1 health-based violation reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule), beginning Aug 2023. 78% of the 7,966 systems serving 1,001–3,300 people had none.

Lead, 90th percentile1.4 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 1.4 ppb, below the 15 ppb action level that applied. That’s higher than 60% 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. NM3509032.

Internet

6 home internet providers serve El Cerro Mission

55% of 1,601 addresses can get 100/20 Mbps; 3% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
CenturyLinkDSL, Fiber65%80/10
XfinityCable58%2,000/250
Quantum FiberFiber4%940/940
T-MobileFixed wireless32%25/3
AT&TFixed wireless26%25/3
VerizonFixed wireless12%25/6

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

El Cerro Mission has its own drop-off: Universal Waste Systems Inc.

Where to take trash and recycling in El Cerro Mission, and where the rules are.

Transfer station · run by not listed

Universal Waste Systems Inc.

Before you go, check the rules with the town.

OpenStreetMap, as of Oct 9, 2026 (last edited Feb 2018). © OpenStreetMap contributors.

Schools

Where your child goes to school

Public school districts and the school path by grade.

El Cerro Mission kids go to
PK–610 schoolsDepends on your address
7–82 middle schoolsDepends on your address
9–122 high schoolsDepends on your address

El Cerro Mission is in Los Lunas 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.

Government & voting

No town hall: the county runs things

El Cerro Mission is unincorporated, so Valencia County is the local government.

Local governmentValencia CountyEl Cerro Mission is a census-designated place: no town hall of its ownCensus
Who runs elections hereValencia County ClerkElections here are run by Valencia County (county election office). P.O. Box 969, Los Lunas, NM 87031-9900 · (505) 866-2080 · [email protected]FVAP, Dec 2025
Register to voteOnlineIn 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).vote.govCheck your registration and polling placevoterportal.servis.sos.state.nm.usThe state’s voter lookup

Election office: FVAP local election office directory, updated Dec 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 27, 2026.

ZIP codes & area codes

El Cerro Mission is in ZIP code 87031

ZIP codes where El Cerro Mission residents live, with the share of the town in each.

ZIPPost office nameShare of El Cerro MissionZIP’s residents in El Cerro Mission
87031Los Lunas, NM100%10%

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

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 El Cerro Mission

Who supplies El Cerro Mission’s drinking water, and has it had violations?

Monterey Water Company Inc. (EPA ID NM3509032). It reported 1 health-based violation to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule). 78% of systems its size had none. Its latest lead 90th percentile was 1.4 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.

Who provides electricity in El Cerro Mission?

PNM (Public Service Co. of New Mexico), an investor-owned utility. Its homes paid about 16.4¢ per kWh in 2025 (EIA).

What internet providers serve El Cerro Mission?

CenturyLink, Xfinity, Quantum Fiber, T-Mobile, AT&T, Verizon (FCC, as of December 2025).

What ZIP codes are in El Cerro Mission?

87031. Census 2020 ZIP Code Tabulation Areas.

What school district is El Cerro Mission in?

Los Lunas Public Schools.

How do I register to vote in El Cerro Mission?

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 Valencia 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.