Photo: Bobak Ha'Eri · CC BY-SA 3.0Living in De Graff, MN: what to set up and who to call
Tap water in De Graff comes from the Degraff water system, which has a clean five-year EPA record (about 23% of systems its size had a health-based violation) and a latest lead result below detection. Benson Public Library (Pioneerland Library System), 7.5 miles away, is the closest library to De Graff.
I’m new in town
What to set up in De Graff, 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 De Graff.
Power comes from Otter Tail Power
Otter Tail Power (Otter Tail Power Co), an investor-owned utility, serves all of De Graff. Its homes paid an average of 11.3¢ per kWh in 2025, about $102 a month (its average across Minnesota).
Start or move service: ottertail.com · (866) 410-8780
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Degraff water system
The Degraff water system supplies almost all of De Graff. It draws ground water and serves 110 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. Violations are counted by the start of their compliance period. MN1760004.
6 home internet providers serve De Graff
100% of 73 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| FederatedTelephoneCooperative | Fiber | 100% | 1,000/1,000 |
| GigFire | Fixed wireless | 100% | 150/130 |
| MVTV Wireless | Fixed wireless | 58% | 50/10 |
| T-Mobile | Fixed wireless | 33% | 100/20 |
| AT&T | Fixed wireless | 15% | 25/3 |
| Verizon | Fixed wireless | 7% | 25/6 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have De Graff’s trash rules yet
Pickup rules, the dump and recycling in De Graff.
Where your child goes to school
Public school districts and the school path by grade.
De Graff is in Benson Public 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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
De Graff is in ZIP code 56271
ZIP codes where De Graff residents live, with the share of the town in each.
| ZIP | Post office name | Share of De Graff | ZIP’s residents in De Graff |
|---|---|---|---|
| 56271 | Murdock, MN | 100% | 9% |
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 De Graff
Who supplies De Graff’s drinking water, and has it had violations?
The Degraff water system (EPA ID MN1760004). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in De Graff?
Otter Tail Power (Otter Tail Power Co), an investor-owned utility. Its homes paid about 11.3¢ per kWh in 2025 (EIA).
What internet providers serve De Graff?
FederatedTelephoneCooperative, GigFire, MVTV Wireless, T-Mobile, AT&T, Verizon (FCC, as of December 2025).
What ZIP codes are in De Graff?
56271. Census 2020 ZIP Code Tabulation Areas.
What school district is De Graff in?
Benson Public School District.
How do I register to vote in De Graff?
In Minnesota you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (received 21 days before). Elections here are run by the Swift County Auditor. Check your registration at mnvotes.sos.state.mn.us.
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.