Mahaska Rural High School #3 · Photo: Ammodramus · CC0Living in Mahaska, KS: what to set up and who to call
The City of Mahaska water system reported one health-based violation to EPA in the last five years: a bacteria testing requirement (Revised Total Coliform Rule), beginning May 2024. Power in Mahaska comes from Prairie Land Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Mahaska, 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 Mahaska.
Power comes from Prairie Land Electric Coop
Prairie Land Electric Coop (Prairie Land Electric Coop Inc), a cooperative utility, serves all of Mahaska. Its homes paid an average of 14.8¢ per kWh in 2025, about $124 a month (its average across Kansas).
Start or move service: prairielandelectric.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Mahaska water system
The City of Mahaska water system supplies almost all of Mahaska. It draws ground water and serves 44 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a bacteria testing requirement (Revised Total Coliform Rule), beginning May 2024. 78% of the 11,392 systems serving <=100 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, 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. KS2020102.
3 home internet providers serve Mahaska
100% of 32 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| JBN Telephone | Fiber | 100% | 1,000/1,000 |
| Diode Cable Company | Fixed wireless | 9% | 10/1 |
| T-Mobile | Fixed wireless | 3% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Mahaska’s trash rules yet
Pickup rules, the dump and recycling in Mahaska.
Where your child goes to school
Public school districts and the school path by grade.
Mahaska is in Washington Co. Schools Unified School District 108.
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 2017; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Mahaska is in ZIP code 66955
ZIP codes where Mahaska residents live, with the share of the town in each.
| ZIP | Post office name | Share of Mahaska | ZIP’s residents in Mahaska |
|---|---|---|---|
| 66955 | Mahaska, KS | 100% | 43% |
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 Mahaska
Who supplies Mahaska’s drinking water, and has it had violations?
The City of Mahaska water system (EPA ID KS2020102). It reported 1 health-based violation to EPA in the five years to October 2026: a bacteria testing requirement (Revised Total Coliform Rule). 78% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Mahaska?
Prairie Land Electric Coop (Prairie Land Electric Coop Inc), a cooperative utility. Its homes paid about 14.8¢ per kWh in 2025 (EIA).
What internet providers serve Mahaska?
JBN Telephone, Diode Cable Company, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Mahaska?
66955. Census 2020 ZIP Code Tabulation Areas.
What school district is Mahaska in?
Washington Co. Schools Unified School District 108.
How do I register to vote in Mahaska?
In Kansas you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before). Elections here are run by the Washington County Clerk. Check your registration at myvoteinfo.voteks.org.
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.