Living in Cade, LA: what to set up and who to call
An EPA health-based violation from 2025 is still open for City of St Martinville Water System, which supplies Cade, and its latest lead result (7.0 ppb) was higher than 96% of similar systems’, though under the 15 ppb action level. Cade has no town government of its own, so St. Martin Parish runs its elections and most services, and its children attend St. Martin Parish School District.
I’m new in town
What to set up in Cade, 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 Cade.
Power comes from Southwest Louisiana E M C
Southwest Louisiana E M C (Southwest Louisiana E M C), a cooperative utility, serves all of Cade. Its homes paid an average of 11.6¢ per kWh in 2025, about $162 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 City of St Martinville Water System
City of St Martinville Water System supplies Cade: about 0% of residents live in its service area. About 100% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists St Martin Industrial Park Water System as seller) and serves 7,263 people in all.
6 health-based violations reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×5, a lead and copper treatment requirement (Lead and Copper Rule Revisions), the latest beginning Nov 2025. 80% of the 5,012 systems serving 3,301–10,000 people had none. 3 older violations are still open, since 2025: a groundwater treatment requirement (Groundwater Rule), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 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. LA1099007.
6 home internet providers serve Cade
96% of 892 addresses can get 100/20 Mbps; 91% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Cajun Broadband | Fiber, Fixed wireless | 95% | 1,000/1,000 |
| Optimum | Cable | 63% | 940/35 |
| AT&T | Fixed wireless, Fiber, DSL | 56% | 5,000/5,000 |
| LFT Fiber | Fiber | 3% | 10,000/10,000 |
| Verizon | Fixed wireless | 26% | 300/20 |
| T-Mobile | Fixed wireless | 5% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Cade’s trash rules yet
Pickup rules, the dump and recycling in Cade.
Where your child goes to school
Public school districts and the school path by grade.
Cade is in St. Martin Parish School District.
BSchool 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
Cade is unincorporated, so St. Martin Parish is the local government.
Election office: FVAP local election office directory, updated Oct 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Cade spans 4 ZIP codes
ZIP codes where Cade residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cade | ZIP’s residents in Cade |
|---|---|---|---|
| 70582 | Saint Martinville, LA | 47% | 5% |
| 70518 | Broussard, LA | 43% | 5% |
| 70519 | Cade, LA | 7% | 100% |
| 70560 | New Iberia, LA | 4% | 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 Cade
Who supplies Cade’s drinking water, and has it had violations?
City of St Martinville Water System (EPA ID LA1099007). It reported 6 health-based violations to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×5, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 80% of systems its size had none. Its latest lead 90th percentile was 7.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Cade?
Southwest Louisiana E M C (Southwest Louisiana E M C), a cooperative utility. Its homes paid about 11.6¢ per kWh in 2025 (EIA).
What internet providers serve Cade?
Cajun Broadband, Optimum, AT&T, LFT Fiber, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Cade?
70582 (47%), 70518 (43%), 70519 (7%), 70560 (4%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Cade in?
St. Martin Parish School District.
How do I register to vote in Cade?
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 Martin 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.