Neil Cooney Mansion · Photo: Jon Roanhaus · CC BY-SA 3.0Living in Cosmopolis, WA: what to set up and who to call
Power in Cosmopolis comes from PUD No 1 of Grays Harbor County, a political subdivision utility rather than a private company. The ER is a drive from Cosmopolis: the closest is Grays Harbor Community Hospital, 17.4 miles away.
I’m new in town
What to set up in Cosmopolis, 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 Cosmopolis.
Power comes from PUD No 1 of Grays Harbor County
PUD No 1 of Grays Harbor County (PUD No 1 of Grays Harbor County), a political subdivision utility, serves all of Cosmopolis. Its homes paid an average of 12.7¢ per kWh in 2025, about $133 a month (its average across Washington).
Start or move service: ghpud.org · (360) 532-4220
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Cosmopolis Water Department
Cosmopolis Water Department supplies almost all of Cosmopolis. It buys treated surface water (EPA lists City of Aberdeen as seller) and serves 1,812 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 1.2 ppb, below the 15 ppb action level that applied. That’s higher than 56% 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. WA5315050.
6 home internet providers serve Cosmopolis
100% of 783 addresses can get 100/20 Mbps; 47% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 1,200/35 |
| Quantum Fiber | Fiber | 43% | 2,000/1,000 |
| CenturyLink | DSL, Fiber | 22% | 940/940 |
| Verizon | Fixed wireless | 84% | 300/20 |
| T-Mobile | Fixed wireless | 77% | 100/20 |
| AT&T | Fixed wireless | 32% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Cosmopolis’ trash rules yet
Pickup rules, the dump and recycling in Cosmopolis.
Where your child goes to school
Public school districts and the school path by grade.
Cosmopolis is in Cosmopolis 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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Sep 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Cosmopolis is in ZIP code 98537
ZIP codes where Cosmopolis residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cosmopolis | ZIP’s residents in Cosmopolis |
|---|---|---|---|
| 98537 | Cosmopolis, WA | 100% | 75% |
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 Cosmopolis
Who supplies Cosmopolis’ drinking water, and has it had violations?
Cosmopolis Water Department (EPA ID WA5315050). 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 1.2 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Cosmopolis?
PUD No 1 of Grays Harbor County (PUD No 1 of Grays Harbor County), a political subdivision utility. Its homes paid about 12.7¢ per kWh in 2025 (EIA).
What internet providers serve Cosmopolis?
Xfinity, Quantum Fiber, CenturyLink, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Cosmopolis?
98537. Census 2020 ZIP Code Tabulation Areas.
What school district is Cosmopolis in?
Cosmopolis School District.
How do I register to vote in Cosmopolis?
In Washington you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (received 8 days before). Elections here are run by the Grays Harbor County Auditor. Check your registration at voter.votewa.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 Sep 30, 2026 (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.