Living in Cerulean, KY: what to set up and who to call
Cerulean has no town government of its own, so Trigg County runs its elections and most services, and its children attend Trigg County School District. Power in Cerulean comes from Pennyrile Rural Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Cerulean, 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 Cerulean.
Power comes from Pennyrile Rural Electric Coop
Pennyrile Rural Electric Coop (Pennyrile Rural Electric Coop), a cooperative utility, serves all of Cerulean. Its homes paid an average of 13.9¢ per kWh in 2025, about $172 a month (its average across Kentucky).
Start or move service: precc.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Barkley Lake Water District
Barkley Lake Water District supplies almost all of Cerulean. It draws surface water and serves 14,284 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 2024–Dec 2026, was 4.0 ppb, below the 15 ppb action level that applied. The highest in five years was 13.0 ppb. That’s higher than 87% 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. KY1110019.
3 home internet providers serve Cerulean
76% of 154 addresses can get 100/20 Mbps; 76% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| energynet | Fiber | 78% | 1,000/1,000 |
| AT&T | Fixed wireless, DSL | 60% | 25/3 |
| Verizon | Fixed wireless | 18% | 25/6 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Cerulean’s trash rules yet
Pickup rules, the dump and recycling in Cerulean.
Where your child goes to school
Public school districts and the school path by grade.
Cerulean is in Trigg County 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
Cerulean is unincorporated, so Trigg County is the local government.
Election office: FVAP local election office directory, updated Feb 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Cerulean is in ZIP code 42215
ZIP codes where Cerulean residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cerulean | ZIP’s residents in Cerulean |
|---|---|---|---|
| 42215 | Cerulean, KY | 100% | 22% |
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 Cerulean
Who supplies Cerulean’s drinking water, and has it had violations?
Barkley Lake Water District (EPA ID KY1110019). 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 4.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Cerulean?
Pennyrile Rural Electric Coop (Pennyrile Rural Electric Coop), a cooperative utility. Its homes paid about 13.9¢ per kWh in 2025 (EIA).
What internet providers serve Cerulean?
energynet, AT&T, Verizon (FCC, as of December 2025).
What ZIP codes are in Cerulean?
42215. Census 2020 ZIP Code Tabulation Areas.
What school district is Cerulean in?
Trigg County School District.
How do I register to vote in Cerulean?
In Kentucky you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Trigg County Clerk. Check your registration at vrsws.sos.ky.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.