Living in Highgrove, CA: what to set up and who to call
Highgrove has no town government of its own, so Riverside County runs its elections and most services, and its children attend Riverside Unified School District. The closest public drop-off to Highgrove is Agua Mansa Permanent HHW Facility, 4 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Highgrove, 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 Highgrove.
Power comes from Southern California Edison
Southern California Edison (Southern California Edison Co), an investor-owned utility, serves all of Highgrove. Its homes paid an average of 31.5¢ per kWh in 2025, about $149 a month (its average across California, for customers on its standard service). California lets you buy power from another supplier; 30% of Southern California Edison’s home customers do, and Southern California Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Riverside Highland Water Company
Riverside Highland Water Company supplies Highgrove: about 57% of residents live in its service area. City of Riverside serves another 44%. About 4% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists City of Riverside and City of Colton and San Bernardino Valley WD and City of Rialto and San Bernardino City as sellers) and serves 20,188 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 1.5 ppb, below the 15 ppb action level that applied. That’s higher 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. CA3610057.
4 home internet providers serve Highgrove
99% of 2,970 addresses can get 100/20 Mbps; 57% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 99% | 1,000/35 |
| AT&T | Fiber, DSL, Fixed wireless | 97% | 5,000/5,000 |
| Verizon | Fixed wireless | 69% | 300/20 |
| T-Mobile | Fixed wireless | 24% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 4 miles away
Pickup rules, the dump and recycling in Highgrove.
Agua Mansa Permanent HHW Facility
1780 Agua Mansa Road, Jurupa Valley, CA, 92509 · run by Riverside County Department of Wate Resources
This isn’t Highgrove’s own facility. Whether Highgrove residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Highgrove is in Riverside Unified School District.
BSchool gradeSee 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
Highgrove is unincorporated, so Riverside County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Highgrove is in ZIP code 92507
ZIP codes where Highgrove residents live, with the share of the town in each.
| ZIP | Post office name | Share of Highgrove | ZIP’s residents in Highgrove |
|---|---|---|---|
| 92507 | Riverside, CA | 100% | 12% |
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 Highgrove
Who supplies Highgrove’s drinking water, and has it had violations?
Riverside Highland Water Company (EPA ID CA3610057). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 1.5 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Highgrove?
Southern California Edison (Southern California Edison Co), an investor-owned utility. Its homes paid about 31.5¢ per kWh in 2025 (EIA).
What internet providers serve Highgrove?
Spectrum, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Highgrove?
92507. Census 2020 ZIP Code Tabulation Areas.
What school district is Highgrove in?
Riverside Unified School District.
How do I register to vote in Highgrove?
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 Riverside 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.