Photo: Karl98007 · CC BY-SA 3.0Living in Sonora, CA: what to set up and who to call
Two school districts split the grades in Sonora: Sonora Union High School District and Sonora Elementary School District. For an emergency, Oak Valley Hospital District is the closest ER, 30.3 miles away.
I’m new in town
What to set up in Sonora, 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 Sonora.
Power comes from PG&E
PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of Sonora. Its homes paid an average of 37.5¢ per kWh in 2025, about $174 a month (its average across California, for customers on its standard service). California lets you buy power from another supplier; 66% of PG&E’s home customers do, and PG&E still delivers it.
Start or move service: pgecorp.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Tud - Sonora/Jamestown Water System
Tud - Sonora/Jamestown Water System supplies almost all of Sonora. It draws surface water and serves 11,054 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 2023–Dec 2025, 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. CA5510001.
6 home internet providers serve Sonora
100% of 1,981 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 95% | 2,000/250 |
| AT&T | DSL, Fixed wireless | 70% | 10/1 |
| Cal.net | Fixed wireless | 100% | 100/20 |
| Conifer Communications | Fixed wireless | 73% | 100/10 |
| T-Mobile | Fixed wireless | 64% | 100/20 |
| Verizon | Fixed wireless | 23% | 25/6 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Sonora depends on your street
Pickup days, the drop-off and recycling in Sonora, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayThe town’s pickup schedule (PDF)
From sonoraca.com, 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.
Sonora is in two districts that split the grades: Sonora Union High School District and Sonora Elementary 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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jul 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Sonora is in ZIP code 95370
ZIP codes where Sonora residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sonora | ZIP’s residents in Sonora |
|---|---|---|---|
| 95370 | Sonora, CA | 100% | 18% |
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 Sonora
Who supplies Sonora’s drinking water, and has it had violations?
Tud - Sonora/Jamestown Water System (EPA ID CA5510001). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Sonora?
PG&E (Pacific Gas & Electric Co.), an investor-owned utility. Its homes paid about 37.5¢ per kWh in 2025 (EIA).
What internet providers serve Sonora?
Xfinity, AT&T, Cal.net, Conifer Communications, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Sonora?
95370. Census 2020 ZIP Code Tabulation Areas.
What school district is Sonora in?
Sonora Union High School District and Sonora Elementary School District.
How do I register to vote in Sonora?
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 Tuolumne County Clerk - Elections. 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: Sonora’s own website (sonoraca.com), 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 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.