Photo: ideatrendz · CC BY-SA 2.0Living in Kahului, HI: what to set up and who to call
Kahului has no town government of its own, so Maui County runs its elections and most services, and its children attend Hawaii Department of Education. Kahului has its own drop-off, Maui County Recycling.
I’m new in town
What to set up in Kahului, 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 Kahului.
Power comes from Maui Electric Co Ltd
Maui Electric Co Ltd (Maui Electric Co Ltd), an investor-owned utility, serves all of Kahului. Its homes paid an average of 42.0¢ per kWh in 2025, about $211 a month (its average across Hawaii).
Start or move service: mauielectric.com · (808) 871-9777
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Wailuku water system
The Wailuku water system supplies almost all of Kahului. It draws surface water and serves 74,511 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2016–Dec 2018, was 0.0 ppb, below the 15 ppb action level that applied. It’s from 2018: EPA has no newer result for this system. 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. HI0000212.
3 home internet providers serve Kahului
98% of 4,945 addresses can get 100/20 Mbps; 80% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 97% | 1,000/35 |
| Hawaiian Telcom | Fiber, DSL | 90% | 2,850/2,850 |
| T-Mobile | Fixed wireless | 12% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Kahului has its own drop-off: Maui County Recycling
Where to take trash and recycling in Kahului, and where the rules are.
Maui County Recycling
Before you go, check the rules with the town.
OpenStreetMap, as of Oct 9, 2026 (last edited Mar 2019). © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Kahului is in Hawaii Department of Education.
Test scores and every school: see 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
Kahului is unincorporated, so Maui County is the local government.
Election office: FVAP local election office directory, updated Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Kahului spans 2 ZIP codes
ZIP codes where Kahului residents live, with the share of the town in each.
| ZIP | Post office name | Share of Kahului | ZIP’s residents in Kahului |
|---|---|---|---|
| 96732 | Kahului, HI | 95% | 98% |
| 96793 | Wailuku, HI | 5% | 4% |
A few homes fall in 96779. 96733 is P.O. box or single-organization ZIP 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 Kahului
Who supplies Kahului’s drinking water, and has it had violations?
The Wailuku water system (EPA ID HI0000212). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2016–Dec 2018), against a 15 ppb action level.
Who provides electricity in Kahului?
Maui Electric Co Ltd (Maui Electric Co Ltd), an investor-owned utility. Its homes paid about 42.0¢ per kWh in 2025 (EIA).
What internet providers serve Kahului?
Spectrum, Hawaiian Telcom, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Kahului?
96732 (95%), 96793 (5%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Kahului in?
Hawaii Department of Education.
How do I register to vote in Kahului?
In Hawaii you can register online up to and including Election Day, in person up to and including Election Day, or by mail (postmarked 10 days before). Elections here are run by the Maui County Clerk. Check your registration at olvr.hawaii.gov.
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 Nov 18, 2024 (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.