Living in Rail Road Flat, CA: what to set up and who to call
Rail Road Flat has no town government of its own, so Calaveras County runs its elections and most services, and its children attend Calaveras Unified School District. The Lakeside Mobile Estates water system has a clean five-year EPA record, but its latest lead result, 8.0 ppb, was higher than 95% of similar systems’ (the action level is 15).
I’m new in town
What to set up in Rail Road Flat, 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 Rail Road Flat.
Power comes from PG&E
PG&E (Pacific Gas & Electric Co.), an investor-owned utility, serves all of Rail Road Flat. 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 Lakeside Mobile Estates water system
The Lakeside Mobile Estates water system supplies Rail Road Flat: about 25% of residents live in its service area. About 75% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 30 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 11,392 systems serving <=100 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 8.0 ppb, below the 15 ppb action level that applied. That’s higher than 95% 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. CA0500075.
Which providers serve Rail Road Flat
This card will list the home internet providers the FCC’s National Broadband Map shows in Rail Road Flat, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Rail Road Flat’s trash rules yet
Pickup rules, the dump and recycling in Rail Road Flat.
Where your child goes to school
Public school districts and the school path by grade.
Rail Road Flat is in Calaveras Unified School District.
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
Rail Road Flat 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.
Rail Road Flat spans 2 ZIP codes
ZIP codes where Rail Road Flat residents live, with the share of the town in each.
| ZIP | Post office name | Share of Rail Road Flat | ZIP’s residents in Rail Road Flat |
|---|---|---|---|
| 95248 | Rail Road Flat, CA | 50% | 60% |
| 95245 | Mokelumne Hill, CA | 50% | 7% |
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 Rail Road Flat
Who supplies Rail Road Flat’s drinking water, and has it had violations?
The Lakeside Mobile Estates water system (EPA ID CA0500075). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 8.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Rail Road Flat?
PG&E (Pacific Gas & Electric Co.), an investor-owned utility. Its homes paid about 37.5¢ per kWh in 2025 (EIA).
What ZIP codes are in Rail Road Flat?
95248 (50%), 95245 (50%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Rail Road Flat in?
Calaveras Unified School District.
How do I register to vote in Rail Road Flat?
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): pending.