Photo: Royalbroil · CC BY-SA 3.0Living in Warren, WI: what to set up and who to call
New voters sign up with the Town of Warren Clerk, which runs Warren’s elections. The closest public drop-off to Warren is Redgranite Collection Site, 2 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Warren, 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 Warren.
Power comes from Wisconsin Power & Light
Wisconsin Power & Light (Wisconsin Power & Light Co), an investor-owned utility, serves all of Warren. 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 Redgranite Waterworks
Redgranite Waterworks supplies Warren: 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 2,019 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 2023, was 1.2 ppb, below the 15 ppb action level that applied. That’s higher than 56% 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. WI4700269.
Which providers serve Warren
This card will list the home internet providers the FCC’s National Broadband Map shows in Warren, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
The nearest public drop-off is 2 miles away
Pickup rules, the dump and recycling in Warren.
Redgranite Collection Site
1006 County Highway EE, Redgranite, WI, 54970 · run by Waushara County
This isn’t Warren’s own facility. Whether Warren 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 Warren (79%) is in Berlin Area School District; parts are in Wautoma Area School District (21%).
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 May 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Warren spans 4 ZIP codes
ZIP codes where Warren residents live, with the share of the town in each.
| ZIP | Post office name | Share of Warren | ZIP’s residents in Warren |
|---|---|---|---|
| 54970 | Redgranite, WI | 70% | 12% |
| 54923 | Berlin, WI | 27% | 2% |
| 54960 | Neshkoro, WI | 2% | 0% |
| 54965 | Pine River, WI | 1% | 1% |
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 Warren
Who supplies Warren’s drinking water, and has it had violations?
Redgranite Waterworks (EPA ID WI4700269). 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 1.2 ppb (Jun–Sep 2023), against a 15 ppb action level.
Who provides electricity in Warren?
Wisconsin Power & Light (Wisconsin Power & Light Co), an investor-owned utility. Its homes paid about 18.5¢ per kWh in 2025 (EIA).
What ZIP codes are in Warren?
54970 (70%), 54923 (27%), 54960 (2%), 54965 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Warren in?
Berlin Area School District. Parts of the city are in Wautoma Area School District.
How do I register to vote in Warren?
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 Warren 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): pending.