Photo: self · CC BY-SA 2.5Living in Deerfield, WI: what to set up and who to call
Tuesday is trash day in Deerfield; GFL Environmental collects. To register to vote, go to the Village of Deerfield Clerk: Deerfield runs its own elections.
I’m new in town
What to set up in Deerfield, 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 Deerfield.
Power comes from Wisconsin Power & Light
Wisconsin Power & Light (Wisconsin Power & Light Co), an investor-owned utility, serves all of Deerfield. 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 Deerfield Waterworks
Deerfield Waterworks supplies Deerfield: about 94% of residents live in its service area. About 6% 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 2,510 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 Jul–Dec 2023, was 1.7 ppb, below the 15 ppb action level that applied. The highest in five years was 3.0 ppb. That’s higher than 66% 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. WI1130223.
9 home internet providers serve Deerfield
98% of 975 addresses can get 100/20 Mbps; 1% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 96% | 1,000/35 |
| Frontier | DSL | 88% | 10/1 |
| Verizon | Fixed wireless | 96% | 300/20 |
| LiteWire | Fixed wireless | 89% | 100/25 |
| Bertram Communications | Fixed wireless | 85% | 100/20 |
| T-Mobile | Fixed wireless | 63% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Deerfield is Tuesday
Pickup days, the drop-off and recycling in Deerfield, from the town’s own site.
This month
- TrashEvery week
- Bulky itemsCall to book
When a holiday falls on a weekday, pickup slides one day later for the rest of that week.
Village compost site
665 London Road, Deerfield, WI
- Wed8 am–noon, 5 pm–8 pm
- Sat8 am–noon, 8 am–noon, 5 pm–8 pm
Village compost site
665 London Road, Deerfield, WI
From deerfieldwi.com, the town’s official site, checked Oct 21, 2026; pages dated 2026-01-08. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Deerfield is in Deerfield Community 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.
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.
Deerfield is in ZIP code 53531
ZIP codes where Deerfield residents live, with the share of the town in each.
| ZIP | Post office name | Share of Deerfield | ZIP’s residents in Deerfield |
|---|---|---|---|
| 53531 | Deerfield, WI | 100% | 55% |
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 Deerfield
Who supplies Deerfield’s drinking water, and has it had violations?
Deerfield Waterworks (EPA ID WI1130223). 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 1.7 ppb (Jul–Dec 2023), against a 15 ppb action level.
Who provides electricity in Deerfield?
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 Deerfield?
Spectrum, Frontier, Verizon, LiteWire, Bertram Communications, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Deerfield?
53531. Census 2020 ZIP Code Tabulation Areas.
What school district is Deerfield in?
Deerfield Community School District.
How do I register to vote in Deerfield?
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 Deerfield 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: Deerfield’s own website (deerfieldwi.com), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.