Living in Lacassine, LA: what to set up and who to call
Lacassine has no town government of its own, so Jefferson Davis Parish runs its elections and most services, and its children attend Jefferson Davis Parish School District. Power in Lacassine comes from Jefferson Davis Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Lacassine, 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 Lacassine.
Power comes from Jefferson Davis Elec Coop
Jefferson Davis Elec Coop (Jefferson Davis Elec Coop, Inc), a cooperative utility, serves all of Lacassine. Its homes paid an average of 14.8¢ per kWh in 2025, about $183 a month (its average across Louisiana).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Jeff Davis Central Waterworks District
Jeff Davis Central Waterworks District supplies Lacassine: about 57% of residents live in its service area. About 43% 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 5,709 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 2023–Dec 2025, was 4.2 ppb, below the 15 ppb action level that applied. That’s higher than 89% 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 (EPA’s estimate). Violations are counted by the start of their compliance period. LA1053012.
4 home internet providers serve Lacassine
100% of 289 addresses can get 100/20 Mbps; 1% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable | 73% | 940/35 |
| Brightspeed | DSL, Fiber | 19% | 60/5 |
| Faster Cajun Networks | Fixed wireless | 100% | 110/23 |
| AT&T | Fixed wireless | 2% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lacassine’s trash rules yet
Pickup rules, the dump and recycling in Lacassine.
Where your child goes to school
Public school districts and the school path by grade.
Lacassine is in Jefferson Davis Parish 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
Lacassine is unincorporated, so Jefferson Davis Parish is the local government.
Election office: FVAP local election office directory, updated Mar 2022; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Lacassine spans 2 ZIP codes
ZIP codes where Lacassine residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lacassine | ZIP’s residents in Lacassine |
|---|---|---|---|
| 70650 | Lacassine, LA | 92% | 100% |
| 70647 | Iowa, LA | 8% | 0% |
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 Lacassine
Who supplies Lacassine’s drinking water, and has it had violations?
Jeff Davis Central Waterworks District (EPA ID LA1053012). 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 4.2 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Lacassine?
Jefferson Davis Elec Coop (Jefferson Davis Elec Coop, Inc), a cooperative utility. Its homes paid about 14.8¢ per kWh in 2025 (EIA).
What internet providers serve Lacassine?
Optimum, Brightspeed, Faster Cajun Networks, AT&T (FCC, as of December 2025).
What ZIP codes are in Lacassine?
70650 (92%), 70647 (8%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Lacassine in?
Jefferson Davis Parish School District.
How do I register to vote in Lacassine?
In Louisiana you can register online until 20 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the Jefferson Davis Parish Registrar of Voters. Check your registration at voterportal.sos.la.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 Aug 3, 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.