Photo: Perdelsky at English Wikipedia · Public domainLiving in Holtville, CA: what to set up and who to call
Tap water in Holtville comes from the City of Holtville water system, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result of 0.9 ppb. Power in Holtville comes from Imperial Irrigation District, a political subdivision utility rather than a private company.
I’m new in town
What to set up in Holtville, 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 Holtville.
Power comes from Imperial Irrigation District
Imperial Irrigation District (Imperial Irrigation District), a political subdivision utility, serves all of Holtville. Its homes paid an average of 18.7¢ per kWh in 2025, about $202 a month (its average across California).
Start or move service: iid.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Holtville water system
The City of Holtville water system supplies almost all of Holtville. It buys treated surface water (EPA lists Imperial Irrigation District as seller) and serves 6,355 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2025–Dec 2027, was 0.9 ppb, below the 15 ppb action level that applied. That’s lower than 58% 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. CA1310005.
4 home internet providers serve Holtville
95% of 1,461 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 96% | 1,000/1,000 |
| AT&T | DSL, Fixed wireless | 70% | 10/1 |
| Sun Valley Broadband | Fixed wireless | 84% | 50/10 |
| Verizon | Fixed wireless | 32% | 25/6 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Holtville’s trash rules yet
Pickup rules, the dump and recycling in Holtville.
Where your child goes to school
Public school districts and the school path by grade.
Holtville is in Holtville Unified School District.
B+School 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 Nov 18, 2024.
Holtville is in ZIP code 92250
ZIP codes where Holtville residents live, with the share of the town in each.
| ZIP | Post office name | Share of Holtville | ZIP’s residents in Holtville |
|---|---|---|---|
| 92250 | Holtville, CA | 100% | 71% |
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 Holtville
Who supplies Holtville’s drinking water, and has it had violations?
The City of Holtville water system (EPA ID CA1310005). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 0.9 ppb (Jan 2025–Dec 2027), against a 15 ppb action level.
Who provides electricity in Holtville?
Imperial Irrigation District (Imperial Irrigation District), a political subdivision utility. Its homes paid about 18.7¢ per kWh in 2025 (EIA).
What internet providers serve Holtville?
Spectrum, AT&T, Sun Valley Broadband, Verizon (FCC, as of December 2025).
What ZIP codes are in Holtville?
92250. Census 2020 ZIP Code Tabulation Areas.
What school district is Holtville in?
Holtville Unified School District.
How do I register to vote in Holtville?
In California you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Imperial County Registrar of Voters. Check your registration at voterstatus.sos.ca.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.