Photo: Corey Coyle · CC BY 3.0Living in Hazel Green, WI: what to set up and who to call
Hazel Green Waterworks reported 2 health-based violations to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule), a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule). 78% of systems its size reported none. Hazel Green runs its own electric utility, Village of Hazel Green.
I’m new in town
What to set up in Hazel Green, 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 Hazel Green.
Power comes from Village of Hazel Green
Village of Hazel Green (Village of Hazel Green - (WI)), a municipal utility, serves all of Hazel Green.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Hazel Green Waterworks
Hazel Green Waterworks supplies Hazel Green: about 96% of residents live in its service area. About 4% 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 1,193 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule), a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule), the latest beginning Oct 2025. 78% of the 7,966 systems serving 1,001–3,300 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 2024, was 2.8 ppb, below the 15 ppb action level that applied. The highest in five years was 4.5 ppb. That’s higher than 81% 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. WI1220102.
6 home internet providers serve Hazel Green
99% of 506 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Comelec Internet Services | Fixed wireless, Fiber | 99% | 1,000/1,000 |
| Mediacom Xtream | Cable | 99% | 1,000/50 |
| Brightspeed | DSL | 71% | 40/3 |
| Cuba City Telephone Exchange Company | Fiber | 4% | 8,000/8,000 |
| Bug Tussel | Fixed wireless | 97% | 25/5 |
| Nextlink | Fixed wireless | 44% | 400/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Hazel Green’s trash rules yet
Pickup rules, the dump and recycling in Hazel Green.
Where your child goes to school
Public school districts and the school path by grade.
Hazel Green is in Southwestern Wisconsin School District.
B+School 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.
Hazel Green is in ZIP code 53811
ZIP codes where Hazel Green residents live, with the share of the town in each.
| ZIP | Post office name | Share of Hazel Green | ZIP’s residents in Hazel Green |
|---|---|---|---|
| 53811 | Hazel Green, WI | 100% | 37% |
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 Hazel Green
Who supplies Hazel Green’s drinking water, and has it had violations?
Hazel Green Waterworks (EPA ID WI1220102). It reported 2 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule), a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule). 78% of systems its size had none. Its latest lead 90th percentile was 2.8 ppb (Jul–Dec 2024), against a 15 ppb action level.
Who provides electricity in Hazel Green?
Village of Hazel Green (Village of Hazel Green - (WI)), a municipal utility.
What internet providers serve Hazel Green?
Comelec Internet Services, Mediacom Xtream, Brightspeed, Cuba City Telephone Exchange Company, Bug Tussel, Nextlink (FCC, as of December 2025).
What ZIP codes are in Hazel Green?
53811. Census 2020 ZIP Code Tabulation Areas.
What school district is Hazel Green in?
Southwestern Wisconsin School District.
How do I register to vote in Hazel Green?
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 Hazel Green 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.