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SupaiNondenomBibleChurchPhoto: Elf · CC BY-SA 3.0
The Supai handbook

Living in Supai, AZ: what to set up and who to call

An EPA health-based violation from 2025 is still open for the Havasupai Village water system, which supplies Supai. Supai has no town government of its own, so Coconino County runs its elections and most services.

Who supplies the water?How do I register to vote?
Supai has no town government. It’s a census-designated place in Coconino County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Supai’s town page under “Getting set up”.

I’m new in town

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

WaterHavasupai Village water system2 health-based violations in 5 years · EPAMore →
InternetWhich providers serve SupaiData pending · FCC map (D4)
Trash & dumpNot on file yetWe don’t have Supai’s trash rules yetMore →Register to voteOnlineRules from vote.govMore →
Home services

Power, water and internet

Who to call to start service at a new address in Supai.

Drinking water · reported to EPA

Water comes from Havasupai Village water system

The Havasupai Village water system supplies Supai: about 0% of residents live in its service area. About 100% 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 885 people in all.

2 health-based violations reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×2, the latest beginning Apr 2025. 78% of the 5,327 systems serving 501–1,000 people had none. 2 older violations are still open, since 2025: a groundwater treatment requirement (Groundwater Rule), per EPA’s records.

Lead, 90th percentile2.8 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 2.8 ppb, below the 15 ppb action level that applied. That’s higher than 80% 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. 090400102.

Internet

Which providers serve Supai

Data pending · D4

This card will list the home internet providers the FCC’s National Broadband Map shows in Supai, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.

Source to come: FCC Broadband Data Collection.

Trash & recycling

We don’t have Supai’s trash rules yet

Pickup rules, the dump and recycling in Supai.

Trash, recycling and bulk pickupNot on fileSupai has no town government of its own, so look for trash and recycling rules on the county’s site.
Government & voting

No town hall: the county runs things

Supai is unincorporated, so Coconino County is the local government.

Local governmentCoconino CountySupai is a census-designated place: no town hall of its ownCensus
Who runs elections hereCoconino County RecorderElections here are run by Coconino County (county election office). 110 E. Cherry Ave., Flagstaff, AZ 86001 · (928) 679-7860 · [email protected]FVAP, Sep 2025
Register to voteOnlineIn 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).vote.govCheck your registration and polling placemy.arizona.voteThe state’s voter lookup

Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomKane County Hospital57.7 miles awayGet a library cardFlagstaff City-Coconino County Public LibraryNearest branch: Grand Canyon Community Library, 208 Navajo St. · (928) 547-1103

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Supai

Who supplies Supai’s drinking water, and has it had violations?

The Havasupai Village water system (EPA ID 090400102). It reported 2 health-based violations to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×2. 78% of systems its size had none. Its latest lead 90th percentile was 2.8 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.

How do I register to vote in Supai?

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 Coconino 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: 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 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): pending.