Holy Spirit Chapel · Photo: Kds4896 · CC BY-SA 4.0Living in Pleasant Ridge Township, SD: what to set up and who to call
Every home in Pleasant Ridge Township is in ZIP code 57633. The nearest emergency room is Eagle Butte Indian Health Service Hospital, 42 miles away.
I’m new in town
What to set up in Pleasant Ridge 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 Pleasant Ridge Township.
Power comes from Montana-Dakota Utilities
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility, serves all of Pleasant Ridge Township. Its homes paid an average of 13.0¢ per kWh in 2025, about $111 a month (its average across South Dakota).
Start or move service: montana-dakota.com · (800) 638-3278
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Tri-County Rural Water System
Tri-County Rural Water System supplies Pleasant Ridge Township: about 1% of residents live in its service area. About 99% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 2,190 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–Dec 2023, was 4.0 ppb, below the 15 ppb action level that applied. That’s higher than 88% 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. SD4600112.
1 home internet providers serve Pleasant Ridge Township
94% of 19 addresses can get 100/20 Mbps; 94% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| CRST Telephone Authority | Fiber | 95% | 250/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Pleasant Ridge Township’s trash rules yet
Pickup rules, the dump and recycling in Pleasant Ridge Township.
Where your child goes to school
Public school districts and the school path by grade.
Most of Pleasant Ridge Township (80%) is in Timber Lake School District 20-3; parts are in McIntosh School District 15-1 (20%).
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 Aug 3, 2026.
Pleasant Ridge Township is in ZIP code 57633
ZIP codes where Pleasant Ridge Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Pleasant Ridge Township | ZIP’s residents in Pleasant Ridge Township |
|---|---|---|---|
| 57633 | Isabel, SD | 100% | 8% |
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 Pleasant Ridge Township
Who supplies Pleasant Ridge Township’s drinking water, and has it had violations?
Tri-County Rural Water System (EPA ID SD4600112). 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 4.0 ppb (Jan–Dec 2023), against a 15 ppb action level.
Who provides electricity in Pleasant Ridge Township?
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility. Its homes paid about 13.0¢ per kWh in 2025 (EIA).
What internet providers serve Pleasant Ridge Township?
CRST Telephone Authority (FCC, as of December 2025).
What ZIP codes are in Pleasant Ridge Township?
57633. Census 2020 ZIP Code Tabulation Areas.
What school district is Pleasant Ridge Township in?
Timber Lake School District 20-3. Parts of the city are in McIntosh School District 15-1.
How do I register to vote in Pleasant Ridge Township?
South Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before). Elections here are run by the Corson County Auditor. Check your registration at vip.sdsos.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 Aug 3, 2026 (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.