Gibson Methodist Episcopal Church · Photo: Z28scrambler · CC BY-SA 3.0Living in Bayou L'Ourse, LA: what to set up and who to call
St Mary Parish Water Sewerage Comm 1 reported 3 health-based violations to EPA in the last five years: disinfection byproducts (HAA5) ×2, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size reported none. Bayou L'Ourse has no town government of its own, so Assumption Parish runs its elections and most services, and its children attend Assumption Parish School District.
I’m new in town
What to set up in Bayou L'Ourse, 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 Bayou L'Ourse.
Power comes from Entergy Louisiana
Entergy Louisiana (Entergy Louisiana LLC), an investor-owned utility, serves all of Bayou L'Ourse. Its homes paid an average of 11.9¢ per kWh in 2025, about $147 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 St Mary Parish Water Sewerage Comm 1
St Mary Parish Water Sewerage Comm 1 supplies almost all of Bayou L'Ourse. It draws surface water (EPA lists City of Morgan City Water System as seller) and serves 2,823 people in all.
3 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×2, a lead and copper treatment requirement (Lead and Copper Rule Revisions), the latest beginning Oct 2025. 78% of the 7,966 systems serving 1,001–3,300 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 0.8 ppb, below the 15 ppb action level that applied. That’s lower than 54% 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. LA1101009.
3 home internet providers serve Bayou L'Ourse
100% of 744 addresses can get 100/20 Mbps; 11% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Allens Communications | Cable, Fiber | 100% | 1,000/1,000 |
| AT&T | Fixed wireless, DSL, Fiber | 76% | 25/3 |
| Cajun Broadband | Fixed wireless | 91% | 25/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Bayou L'Ourse’s trash rules yet
Pickup rules, the dump and recycling in Bayou L'Ourse.
Where your child goes to school
Public school districts and the school path by grade.
Bayou L'Ourse is in Assumption Parish School District.
A−School gradeSee 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
Bayou L'Ourse is unincorporated, so Assumption Parish is the local government.
Election office: FVAP local election office directory, updated Aug 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Bayou L'Ourse is in ZIP code 70380
ZIP codes where Bayou L'Ourse residents live, with the share of the town in each.
| ZIP | Post office name | Share of Bayou L'Ourse | ZIP’s residents in Bayou L'Ourse |
|---|---|---|---|
| 70380 | Morgan City, LA | 100% | 9% |
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 Bayou L'Ourse
Who supplies Bayou L'Ourse’s drinking water, and has it had violations?
St Mary Parish Water Sewerage Comm 1 (EPA ID LA1101009). It reported 3 health-based violations to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×2, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 0.8 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Bayou L'Ourse?
Entergy Louisiana (Entergy Louisiana LLC), an investor-owned utility. Its homes paid about 11.9¢ per kWh in 2025 (EIA).
What internet providers serve Bayou L'Ourse?
Allens Communications, AT&T, Cajun Broadband (FCC, as of December 2025).
What ZIP codes are in Bayou L'Ourse?
70380. Census 2020 ZIP Code Tabulation Areas.
What school district is Bayou L'Ourse in?
Assumption Parish School District.
How do I register to vote in Bayou L'Ourse?
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 Assumption 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.