Living in Sullivan Township, MN: what to set up and who to call
Power in Sullivan Township comes from P K M Electric Coop, a cooperative utility rather than a private company. The closest ER is Altru Hospital, 7.8 miles away.
I’m new in town
What to set up in Sullivan Township, 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 Sullivan Township.
Power comes from P K M Electric Coop
P K M Electric Coop (P K M Electric Coop, Inc), a cooperative utility, serves all of Sullivan Township.
Start or move service: pkmcoop.com · (218) 745-4711
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Marshall-Polk Rural Water System
Marshall-Polk Rural Water System supplies Sullivan Township: about 95% of residents live in its service area. About 5% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists East Central Regional Wd-Gf as seller) and serves 3,295 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 Jan 2023–Dec 2025, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 69% 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. Violations are counted by the start of their compliance period. MN1450005.
Which providers serve Sullivan Township
This card will list the home internet providers the FCC’s National Broadband Map shows in Sullivan Township, 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.
We don’t have Sullivan Township’s trash rules yet
Pickup rules, the dump and recycling in Sullivan Township.
Where your child goes to school
Public school districts and the school path by grade.
Sullivan Township is in East Grand Forks 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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Sullivan Township is in ZIP code 56721
ZIP codes where Sullivan Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sullivan Township | ZIP’s residents in Sullivan Township |
|---|---|---|---|
| 56721 | East Grand Forks, MN | 100% | 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 Sullivan Township
Who supplies Sullivan Township’s drinking water, and has it had violations?
Marshall-Polk Rural Water System (EPA ID MN1450005). 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 2.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Sullivan Township?
P K M Electric Coop (P K M Electric Coop, Inc), a cooperative utility.
What ZIP codes are in Sullivan Township?
56721. Census 2020 ZIP Code Tabulation Areas.
What school district is Sullivan Township in?
East Grand Forks Public School District.
How do I register to vote in Sullivan Township?
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 Polk County Taxpayer Service Center. 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): pending.