Living in Lannon, WI: what to set up and who to call
Lannon Water Utility reported one health-based violation to EPA in the last five years: a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule), beginning May 2026. Voting is local here: the Village of Lannon Clerk registers voters and runs elections, not the county.
I’m new in town
What to set up in Lannon, 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 Lannon.
Power comes from We Energies
We Energies (Wisconsin Electric Power Co.), an investor-owned utility, serves all of Lannon. Its homes paid an average of 20.5¢ per kWh in 2025, about $131 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 Lannon Water Utility
Lannon Water Utility supplies Lannon: about 4% of residents live in its service area. About 96% 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 172 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule), beginning May 2026. 77% of the 15,074 systems serving 101–500 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jun–Sep 2023, was 1.0 ppb, below the 15 ppb action level that applied. That’s higher than 59% 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. WI2686008.
5 home internet providers serve Lannon
98% of 637 addresses can get 100/20 Mbps; 17% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 98% | 1,000/1,000 |
| AT&T | DSL, Fixed wireless, Fiber | 57% | 5,000/5,000 |
| Verizon | Fixed wireless | 57% | 300/20 |
| T-Mobile | Fixed wireless | 56% | 100/20 |
| Bertram Communications | Fixed wireless | 5% | 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 2 miles away
Pickup rules, the dump and recycling in Lannon.
Sussex waste yard site
This isn’t Lannon’s own facility. Whether Lannon 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 Lannon (86%) is in Hamilton School District; parts are in Menomonee Falls School District (14%).
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.
Lannon is in ZIP code 53046
ZIP codes where Lannon residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lannon | ZIP’s residents in Lannon |
|---|---|---|---|
| 53046 | Lannon, WI | 100% | 100% |
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 Lannon
Who supplies Lannon’s drinking water, and has it had violations?
Lannon Water Utility (EPA ID WI2686008). It reported 1 health-based violation to EPA in the five years to October 2026: a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule). 77% of systems its size had none. Its latest lead 90th percentile was 1.0 ppb (Jun–Sep 2023), against a 15 ppb action level.
Who provides electricity in Lannon?
We Energies (Wisconsin Electric Power Co.), an investor-owned utility. Its homes paid about 20.5¢ per kWh in 2025 (EIA).
What internet providers serve Lannon?
Spectrum, AT&T, Verizon, T-Mobile, Bertram Communications (FCC, as of December 2025).
What ZIP codes are in Lannon?
53046. Census 2020 ZIP Code Tabulation Areas.
What school district is Lannon in?
Hamilton School District. Parts of the city are in Menomonee Falls School District.
How do I register to vote in Lannon?
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 Village of Lannon 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.