Living in Westport, WI: what to set up and who to call
The Mendota Mental Health Inst water system has a clean five-year EPA record, but its latest lead result, 7.0 ppb, was higher than 96% of similar systems’ (the action level is 15). Voting is local here: the Town of Westport Clerk registers voters and runs elections, not the county.
I’m new in town
What to set up in Westport, 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 Westport.
Power comes from Wisconsin Power & Light
Wisconsin Power & Light (Wisconsin Power & Light Co), an investor-owned utility, serves all of Westport. Its homes paid an average of 18.5¢ per kWh in 2025, about $128 a month (its average across Wisconsin).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Mendota Mental Health Inst water system
The Mendota Mental Health Inst water system supplies Westport: about 18% of residents live in its service area. Waunakee Waterworks serves another 10%. Middleton Waterworks serves another 9%. About 58% 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 2,787 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jun–Sep 2025, 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. WI1130235.
7 home internet providers serve Westport
97% of 1,572 addresses can get 100/20 Mbps; 36% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 86% | 1,000/35 |
| TDS Telecom | Fiber, DSL | 58% | 1,000/1,000 |
| AT&T | Fixed wireless, DSL, Fiber | 27% | 50/10 |
| LiteWire | Fixed wireless | 82% | 100/25 |
| Verizon | Fixed wireless | 74% | 300/20 |
| T-Mobile | Fixed wireless | 70% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 5 miles away
Pickup rules, the dump and recycling in Westport.
Middleton Recycling Center
4330 Parmenter Street
This isn’t Westport’s own facility. Whether Westport residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Most of Westport (97%) is in Waunakee Community School District; parts are in Middleton-Cross Plains School District (3%).
ASchool 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 May 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Westport spans 3 ZIP codes
ZIP codes where Westport residents live, with the share of the town in each.
| ZIP | Post office name | Share of Westport | ZIP’s residents in Westport |
|---|---|---|---|
| 53597 | Waunakee, WI | 79% | 16% |
| 53562 | Middleton, WI | 11% | 2% |
| 53704 | Madison, WI | 10% | 1% |
A few homes fall in 53532.
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 Westport
Who supplies Westport’s drinking water, and has it had violations?
The Mendota Mental Health Inst water system (EPA ID WI1130235). 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 7.0 ppb (Jun–Sep 2025), against a 15 ppb action level.
Who provides electricity in Westport?
Wisconsin Power & Light (Wisconsin Power & Light Co), an investor-owned utility. Its homes paid about 18.5¢ per kWh in 2025 (EIA).
What internet providers serve Westport?
Spectrum, TDS Telecom, AT&T, LiteWire, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Westport?
53597 (79%), 53562 (11%), 53704 (10%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Westport in?
Waunakee Community School District. Parts of the city are in Middleton-Cross Plains School District.
How do I register to vote in Westport?
In Wisconsin you can register online until 20 days before Election Day, in person up to and including Election Day, or by mail (postmarked 20 days before). Elections here are run by the Town of Westport Clerk. Check your registration at myvote.wi.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 Nov 18, 2024 (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.