Photo: Salvador Vitanza · CC BY-SA 2.5Living in Nogales, AZ: what to set up and who to call
The City of Nogales water system reported 2 health-based violations to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), a groundwater treatment requirement (Groundwater Rule). 83% of systems its size reported none. Nogales Unified District runs the public schools in Nogales.
I’m new in town
What to set up in Nogales, 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 Nogales.
Water comes from City of Nogales water system
The City of Nogales water system supplies Nogales: about 93% of residents live in its service area. Valle Verde Water Company - East serves another 5%. It draws ground water and serves 22,000 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), a groundwater treatment requirement (Groundwater Rule), the latest beginning Oct 2024. 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 2022–Dec 2024, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. AZ0412004.
7 home internet providers serve Nogales
99% of 5,423 addresses can get 100/20 Mbps; 4% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Mediacom Xtream | Cable, Fiber | 99% | 1,000/50 |
| CenturyLink | DSL | 36% | 40/3 |
| Simply Bits | Fixed wireless | 82% | 100/30 |
| Bluespan Wireless | Fixed wireless | 79% | 350/35 |
| T-Mobile | Fixed wireless | 40% | 100/20 |
| AT&T | Fixed wireless | 31% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Nogales is Monday or Tuesday, depending on your street
Pickup days, the drop-off and recycling in Nogales, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s day (Mon or Tue)Find your street’s day on nogalesaz.gov →
Accepted at the curb
- Plastic bottles, jugs, and containers (Plastics 1 to 7 only)
- Newspaper, printing paper, magazines, paper sacks, etc.
- Cardboard boxes (packing, cereal, etc.)
- Aluminum cans (soda, soup, etc.)
- Steel tin cans
- Empty Aerosol cans
From nogalesaz.gov, the town’s official site, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Nogales is in Nogales Unified District.
BSchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Nogales is in ZIP code 85621
ZIP codes where Nogales residents live, with the share of the town in each.
| ZIP | Post office name | Share of Nogales | ZIP’s residents in Nogales |
|---|---|---|---|
| 85621 | Nogales, AZ | 100% | 91% |
85628, 85662 are P.O. box or single-organization ZIPs with no homes.
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 Nogales
Who supplies Nogales’ drinking water, and has it had violations?
The City of Nogales water system (EPA ID AZ0412004). It reported 2 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), a groundwater treatment requirement (Groundwater Rule). 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
What internet providers serve Nogales?
Mediacom Xtream, CenturyLink, Simply Bits, Bluespan Wireless, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Nogales?
85621. Census 2020 ZIP Code Tabulation Areas.
What school district is Nogales in?
Nogales Unified District.
How do I register to vote in Nogales?
In Arizona you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Santa Cruz County Recorder. Check your registration at my.arizona.vote.
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.
- Trash: Nogales’ own website (nogalesaz.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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 Sep 12, 2025 (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.