Living in Arnold, CA: what to set up and who to call
The latest lead test reported by the Blue Lake Springs Mut Wtr water system, which supplies Arnold, came in at 16.0 ppb (Jan 2022–Dec 2024), above the 15 ppb action level. Arnold has no town government of its own, so Calaveras County runs its elections and most services, and its children attend Bret Harte Union High School District.
I’m new in town
What to set up in Arnold, 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 Arnold.
Power comes from PG&E
PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of Arnold. 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 Blue Lake Springs Mut Wtr water system
The Blue Lake Springs Mut Wtr water system supplies Arnold: about 26% of residents live in its service area. Ccwd - Ebbetts Pass serves another 19%. About 57% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Ccwd - Ebbetts Pass as seller) and serves 4,841 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 2022–Dec 2024, was 16.0 ppb, above the 15 ppb action level that applied. That’s higher than 100% 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. CA0510009.
3 home internet providers serve Arnold
98% of 4,697 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 1,200/35 |
| AT&T | DSL | 27% | 10/1 |
| Cal.net | Fixed wireless | 27% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Arnold’s trash rules yet
Pickup rules, the dump and recycling in Arnold.
Where your child goes to school
Public school districts and the school path by grade.
Arnold is in two districts that split the grades: Bret Harte Union High School District and Vallecito Union Elementary 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.
No town hall: the county runs things
Arnold is unincorporated, so Calaveras County is the local government.
Election office: FVAP local election office directory, updated Sep 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Arnold is in ZIP code 95223
ZIP codes where Arnold residents live, with the share of the town in each.
| ZIP | Post office name | Share of Arnold | ZIP’s residents in Arnold |
|---|---|---|---|
| 95223 | Arnold, CA | 100% | 81% |
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 Arnold
Who supplies Arnold’s drinking water, and has it had violations?
The Blue Lake Springs Mut Wtr water system (EPA ID CA0510009). 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 16.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Arnold?
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 Arnold?
Xfinity, AT&T, Cal.net (FCC, as of December 2025).
What ZIP codes are in Arnold?
95223. Census 2020 ZIP Code Tabulation Areas.
What school district is Arnold in?
Bret Harte Union High School District and Vallecito Union Elementary School District.
How do I register to vote in Arnold?
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 Calaveras County Clerk, Elections Department. 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.