Photo: Infrogmation · CC BY 2.5Living in Madisonville, LA: what to set up and who to call
Tap water in most of Madisonville comes from Village of Madisonville Water Supply, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result below detection. Madisonville Branch, at 1123 Main St, is the library in town.
I’m new in town
What to set up in Madisonville, 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 Madisonville.
Power comes from Cleco Power
Cleco Power (Cleco Power LLC), an investor-owned utility, serves all of Madisonville. 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 Village of Madisonville Water Supply
Village of Madisonville Water Supply supplies Madisonville: about 85% of residents live in its service area. About 15% 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 871 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 5,327 systems serving 501–1,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. LA1103022.
4 home internet providers serve Madisonville
99% of 473 addresses can get 100/20 Mbps; 89% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| AT&T | Fiber, DSL, Fixed wireless | 96% | 5,000/5,000 |
| Spectrum | Cable | 96% | 1,000/1,000 |
| Verizon | Fixed wireless | 80% | 300/20 |
| T-Mobile | Fixed wireless | 2% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Madisonville’s trash rules yet
Pickup rules, the dump and recycling in Madisonville.
Where your child goes to school
Public school districts and the school path by grade.
Madisonville is in St. Tammany 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.
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.
Madisonville is in ZIP code 70447
ZIP codes where Madisonville residents live, with the share of the town in each.
| ZIP | Post office name | Share of Madisonville | ZIP’s residents in Madisonville |
|---|---|---|---|
| 70447 | Madisonville, LA | 100% | 5% |
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 Madisonville
Who supplies Madisonville’s drinking water, and has it had violations?
Village of Madisonville Water Supply (EPA ID LA1103022). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Madisonville?
Cleco Power (Cleco Power LLC), an investor-owned utility. Its homes paid about 14.3¢ per kWh in 2025 (EIA).
What internet providers serve Madisonville?
AT&T, Spectrum, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Madisonville?
70447. Census 2020 ZIP Code Tabulation Areas.
What school district is Madisonville in?
St. Tammany Parish School District.
How do I register to vote in Madisonville?
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 Tammany 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.