Living in Mamou, LA: what to set up and who to call
Town of Mamou Water System reported 7 health-based violations to EPA in the last five years: disinfection byproducts (HAA5) ×5, disinfection byproducts (TTHM) ×2. 80% of systems its size reported none. Mamou Branch, at 317a Second Street, is the library in town.
I’m new in town
What to set up in Mamou, 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 Mamou.
Power comes from Cleco Power
Cleco Power (Cleco Power LLC), an investor-owned utility, serves all of Mamou. 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 Town of Mamou Water System
Town of Mamou Water System supplies almost all of Mamou. It draws ground water and serves 4,559 people in all.
7 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×5, disinfection byproducts (TTHM) ×2, the latest beginning Jan 2023. 80% of the 5,012 systems serving 3,301–10,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 7.0 ppb, below the 15 ppb action level that applied. That’s higher than 96% 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. LA1039005.
6 home internet providers serve Mamou
98% of 1,299 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable | 92% | 500/20 |
| LFT Fiber | Fiber | 90% | 10,000/10,000 |
| Brightspeed | Fiber, DSL | 86% | 2,000/2,000 |
| Verizon | Fixed wireless | 80% | 300/20 |
| T-Mobile | Fixed wireless | 78% | 100/20 |
| Cajun Broadband | Fixed wireless | 71% | 25/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Mamou’s trash rules yet
Pickup rules, the dump and recycling in Mamou.
Where your child goes to school
Public school districts and the school path by grade.
Mamou is in Evangeline Parish 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 Aug 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Mamou is in ZIP code 70554
ZIP codes where Mamou residents live, with the share of the town in each.
| ZIP | Post office name | Share of Mamou | ZIP’s residents in Mamou |
|---|---|---|---|
| 70554 | Mamou, LA | 100% | 53% |
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 Mamou
Who supplies Mamou’s drinking water, and has it had violations?
Town of Mamou Water System (EPA ID LA1039005). It reported 7 health-based violations to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×5, disinfection byproducts (TTHM) ×2. 80% of systems its size had none. Its latest lead 90th percentile was 7.0 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Mamou?
Cleco Power (Cleco Power LLC), an investor-owned utility. Its homes paid about 14.3¢ per kWh in 2025 (EIA).
What internet providers serve Mamou?
Optimum, LFT Fiber, Brightspeed, Verizon, T-Mobile, Cajun Broadband (FCC, as of December 2025).
What ZIP codes are in Mamou?
70554. Census 2020 ZIP Code Tabulation Areas.
What school district is Mamou in?
Evangeline Parish School District.
How do I register to vote in Mamou?
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 Evangeline 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.