Living in Coffee Creek, CA: what to set up and who to call
An EPA health-based violation from 2024 is still open for Seymour's Mutual Water System, which supplies Coffee Creek. Coffee Creek has no town government of its own, so Trinity County runs its elections and most services, and its children attend Trinity Alps Unified School District (9-12).
I’m new in town
What to set up in Coffee Creek, 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 Coffee Creek.
Power comes from Trinity Public Utilities Dist
Trinity Public Utilities Dist (Trinity Public Utilities Dist), a political subdivision utility, serves all of Coffee Creek.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Seymour's Mutual Water System
Seymour's Mutual Water System supplies Coffee Creek: about 46% of residents live in its service area. Treasure Creek Woods Mwc serves another 20%. About 34% 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 40 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 78% of the 11,392 systems serving <=100 people had none. 1 older violation is still open, since 2024: a lead and copper treatment requirement (Lead and Copper Rule Revisions), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2025–Dec 2027, was 2.6 ppb, below the 15 ppb action level that applied. The highest in five years was 21.5 ppb. That’s higher than 78% 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. CA5301201.
Which providers serve Coffee Creek
This card will list the home internet providers the FCC’s National Broadband Map shows in Coffee Creek, 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 Coffee Creek’s trash rules yet
Pickup rules, the dump and recycling in Coffee Creek.
Where your child goes to school
Public school districts and the school path by grade.
Coffee Creek is in two districts that split the grades: Trinity Alps Unified School District (9-12) and Coffee Creek Elementary 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
Coffee Creek is unincorporated, so Trinity County is the local government.
Election office: FVAP local election office directory, updated Jul 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Coffee Creek is in ZIP code 96091
ZIP codes where Coffee Creek residents live, with the share of the town in each.
| ZIP | Post office name | Share of Coffee Creek | ZIP’s residents in Coffee Creek |
|---|---|---|---|
| 96091 | Trinity Center, CA | 100% | 26% |
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 Coffee Creek
Who supplies Coffee Creek’s drinking water, and has it had violations?
Seymour's Mutual Water System (EPA ID CA5301201). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 2.6 ppb (Jan 2025–Dec 2027), against a 15 ppb action level.
Who provides electricity in Coffee Creek?
Trinity Public Utilities Dist (Trinity Public Utilities Dist), a political subdivision utility.
What ZIP codes are in Coffee Creek?
96091. Census 2020 ZIP Code Tabulation Areas.
What school district is Coffee Creek in?
Trinity Alps Unified School District (9-12) and Coffee Creek Elementary School District.
How do I register to vote in Coffee Creek?
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 Trinity 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: 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.