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The Rock Township handbook

Living in Rock Township, MN: what to set up and who to call

Power in Rock Township comes from Sioux Valley SW Elec Coop, a cooperative utility rather than a private company. Fiber reaches 100% of addresses in Rock Township.

I’m new in town

What to set up in Rock Township, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Rock Township.

Electricity

Power comes from Sioux Valley SW Elec Coop

Sioux Valley SW Elec Coop (Sioux Valley SW Elec Coop), a cooperative utility, serves 76.2% of Rock Township residents. Its homes paid an average of 13.5¢ per kWh in 2025, about $283 a month (its average across Minnesota).

Start or move service: siouxvalleyenergy.com · (605) 534-3535

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from Lincoln-Pipestone Rural Water System

Lincoln-Pipestone Rural Water System supplies Rock Township: about 53% of residents live in its service area. About 47% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Osceola Rural Water System-North and Dawson and Adrian and Canby and Brookings-Deuel Rural Water System as sellers) and serves 13,644 people in all.

No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.

Lead, 90th percentile3.0 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 3.0 ppb, below the 15 ppb action level that applied. That’s higher than 79% 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. MN1410007.

Internet

5 home internet providers serve Rock Township

100% of 76 addresses can get 100/20 Mbps; 100% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
Woodstock Telephone CompanyFiber, Fixed wireless100%1,000/1,000
GigFireFixed wireless97%150/130
MidcoFixed wireless50%100/20
T-MobileFixed wireless7%25/3
VerizonFixed wireless7%25/6

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Rock Township’s trash rules yet

Pickup rules, the dump and recycling in Rock Township.

Trash, recycling and bulk pickupNot on fileOpenStreetMap lists no public drop-off in Rock Township or within 5 miles (as of Oct 9, 2026); map coverage varies by town.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Rock Township kids go to
PK–53 elementary schoolsDepends on your address
6–83 middle schoolsDepends on your address
9–122 high schoolsDepends on your address

Most of Rock Township (66%) is in Pipestone Area School District; parts are in RTR Public Schools (34%).

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.

Government & voting

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.

ZIP codes & area codes

Rock Township spans 2 ZIP codes

ZIP codes where Rock Township residents live, with the share of the town in each.

ZIPPost office nameShare of Rock TownshipZIP’s residents in Rock Township
56186Woodstock, MN55%24%
56139Holland, MN45%18%

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

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 Rock Township

Who supplies Rock Township’s drinking water, and has it had violations?

Lincoln-Pipestone Rural Water System (EPA ID MN1410007). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 3.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.

Who provides electricity in Rock Township?

Sioux Valley SW Elec Coop (Sioux Valley SW Elec Coop), a cooperative utility. Its homes paid about 13.5¢ per kWh in 2025 (EIA).

What internet providers serve Rock Township?

Woodstock Telephone Company, GigFire, Midco, T-Mobile, Verizon (FCC, as of December 2025).

What ZIP codes are in Rock Township?

56186 (55%), 56139 (45%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Rock Township in?

Pipestone Area School District. Parts of the city are in RTR Public Schools.

How do I register to vote in Rock 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 Pipestone County Courthouse. 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.