Living in Bayou Vista, LA: what to set up and who to call
Bayou Vista has no town government of its own, so St. Mary Parish runs its elections and most services, and its children attend St. Mary Parish School District. Tap water in Bayou Vista comes from the St Mary Parish W&s #2 Bayou Vista water system, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result of 0.3 ppb.
I’m new in town
What to set up in Bayou Vista, 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 Vista.
Power comes from Cleco Power
Cleco Power (Cleco Power LLC), an investor-owned utility, serves all of Bayou Vista. Its homes paid an average of 14.3¢ per kWh in 2025, about $178 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 W&s #2 Bayou Vista water system
The St Mary Parish W&s #2 Bayou Vista water system supplies almost all of Bayou Vista. It buys treated surface water (EPA lists Berwick Bayou Vista Ww Commission as seller) and serves 5,379 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 0.3 ppb, below the 15 ppb action level that applied. That’s lower than 64% 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. LA1101015.
4 home internet providers serve Bayou Vista
90% of 1,549 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Cox Communications | Cable | 89% | 2,000/100 |
| AT&T | DSL, Fixed wireless | 75% | 25/3 |
| Cajun Broadband | Fixed wireless | 95% | 25/5 |
| T-Mobile | Fixed wireless | 11% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Bayou Vista’s trash rules yet
Pickup rules, the dump and recycling in Bayou Vista.
Where your child goes to school
Public school districts and the school path by grade.
Bayou Vista is in St. Mary 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 Vista is unincorporated, so St. Mary Parish is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Bayou Vista is in ZIP code 70380
ZIP codes where Bayou Vista residents live, with the share of the town in each.
| ZIP | Post office name | Share of Bayou Vista | ZIP’s residents in Bayou Vista |
|---|---|---|---|
| 70380 | Morgan City, LA | 100% | 20% |
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 Vista
Who supplies Bayou Vista’s drinking water, and has it had violations?
The St Mary Parish W&s #2 Bayou Vista water system (EPA ID LA1101015). 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 0.3 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Bayou Vista?
Cleco Power (Cleco Power LLC), an investor-owned utility. Its homes paid about 14.3¢ per kWh in 2025 (EIA).
What internet providers serve Bayou Vista?
Cox Communications, AT&T, Cajun Broadband, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Bayou Vista?
70380. Census 2020 ZIP Code Tabulation Areas.
What school district is Bayou Vista in?
St. Mary Parish School District.
How do I register to vote in Bayou Vista?
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 St Mary 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.