Living in Oak Grove, WI: what to set up and who to call
Haugen Waterworks reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. Power in Oak Grove comes from Barron Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Oak Grove, 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 Oak Grove.
Power comes from Barron Electric Coop
Barron Electric Coop (Barron Electric Coop), a cooperative utility, serves all of Oak Grove. Its homes paid an average of 16.0¢ per kWh in 2025, about $141 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 Haugen Waterworks
Haugen Waterworks supplies Oak Grove: 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 and serves 287 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 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 0.8 ppb, below the 15 ppb action level that applied. That’s lower than 50% 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. WI6030143.
5 home internet providers serve Oak Grove
99% of 483 addresses can get 100/20 Mbps; 98% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Mosaic Technologies | Fiber | 99% | 2,000/2,000 |
| CenturyLink | DSL | 50% | 60/5 |
| AT&T | Fixed wireless | 44% | 25/3 |
| Verizon | Fixed wireless | 36% | 300/20 |
| T-Mobile | Fixed wireless | 25% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Oak Grove’s trash rules yet
Pickup rules, the dump and recycling in Oak Grove.
Where your child goes to school
Public school districts and the school path by grade.
Oak Grove is in Rice Lake Area School District.
Test scores and every school: see 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 Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Oak Grove spans 3 ZIP codes
ZIP codes where Oak Grove residents live, with the share of the town in each.
| ZIP | Post office name | Share of Oak Grove | ZIP’s residents in Oak Grove |
|---|---|---|---|
| 54868 | Rice Lake, WI | 90% | 5% |
| 54870 | Sarona, WI | 6% | 4% |
| 54817 | Birchwood, WI | 4% | 2% |
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 Oak Grove
Who supplies Oak Grove’s drinking water, and has it had violations?
Haugen Waterworks (EPA ID WI6030143). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 77% of systems its size had none. Its latest lead 90th percentile was 0.8 ppb (Jun–Sep 2023), against a 15 ppb action level.
Who provides electricity in Oak Grove?
Barron Electric Coop (Barron Electric Coop), a cooperative utility. Its homes paid about 16.0¢ per kWh in 2025 (EIA).
What internet providers serve Oak Grove?
Mosaic Technologies, CenturyLink, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Oak Grove?
54868 (90%), 54870 (6%), 54817 (4%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Oak Grove in?
Rice Lake Area School District.
How do I register to vote in Oak Grove?
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 Oak Grove 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.