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Iroquois: Infrastructure

Iroquois is served by the Iroquois water system, 3 fire stations, and 3 police facilities. Broadband at 100/20 Mbps reaches 100% of premises.

Water & Sewer

Active community water systems serving residents (EPA SDWIS). Each PWS has a unique ID and reports the population it serves.

Systems (3)

Iroquois
SD4600174
Collins Colony
SD4602358
Pearl Creek Colony
SD4602073

Power & Energy

Electric utility data from EIA Form 861 — provider, residential rate, customer count, and revenue. Rate reflects the average residential ¢/kWh.

Electricity · Electricity rate (¢/kWh)12.86¢/kWh
Electricity · Customers433548
Electricity · Revenue Millions$665
Electricity · Year2024

Sources: EIA Annual Retail Sales 2023  ·  Refreshed 2026-04-12

Internet & Mobile

Broadband and mobile coverage from FCC Form 477. Percentages reflect the share of premises that can subscribe to service at the listed speed (not necessarily the share who do).

Broadband · % of premises with 25/3 Mbps broadband100.0% (at South Dakota median)
Broadband · % of premises with 100/20 Mbps broadband100.0% (at South Dakota median)
Broadband · % of premises with 250/25 Mbps broadband100.0% (at South Dakota median)
Broadband · % of premises with 1 Gbps / 100 Mbps broadband100.0% (vs South Dakota 78.4%)
Broadband · Broadband-capable premises186
Mobile Broadband · 3G mobile coverage0.000000000
Mobile Broadband · 4G mobile coverage1.000000000 (at South Dakota median)
Mobile Broadband · 5G mobile coverage1.000000000 (at South Dakota median)
Mobile Home Parks Detail · County total6

Sources: FCC BDC Jun 2025 · FCC BDC Mobile 2024 · HIFLD / IRS BMF  ·  Refreshed 2026-04-12

Public Safety Stations

Fire, EMS, and police stations within range — HIFLD federal datasets. Distance is great-circle from the town centroid.

Ems Stations (3)

IROQUOIS FIRE AND RESCUE DISTRICT
120 OTTOWA STREET · (605) 353-8550 · 2.0 mi
DESMET EMERGENCY RESCUE UNIT
307 CALUMET AVENUE SE · (605) 854-3113 · 14.0 mi
CARTHAGE AMBULANCE SERVICE
110 WEST MAIN STREET · (605) 772-4561 · 16.5 mi

Fire Stations (3)

Iroquois Fire and Rescue District
120 Ottowa Street · 2.0 mi
Cavour Volunteer Fire Department
250 Victor Street · 10.2 mi
De Smet Volunteer Fire Department
102 State Highway 25 North · 14.0 mi

Police Stations (3)

KINGSBURY COUNTY SHERIFFS OFFICE
101 2ND STREET SOUTHEAST · (605) 854-3339 · 14.2 mi
SOUTH DAKOTA HIGHWAY PATROL - HURON
875 DAKOTA AVENUE NORTH · (605) 353-7147 · 18.8 mi
HURON POLICE DEPARTMENT
239 WISCONSIN AVENUE SOUTHWEST · (605) 353-8550 · 19.0 mi

Transportation

Nearest airport, Amtrak, and transit stations. Distance is great-circle miles from the town centroid.

Nearest Airport · NameWilder Airport
Nearest Airport · Typesmall airport
Nearest Airport · Distance13.9 mi

Sources: OurAirports.com  ·  Refreshed 2026-04-12

Dams & Hazards

Dams In County · Total9

Sources: NID 2026  ·  Refreshed 2026-04-12

Other

Infrastructure Quality · Broadband Coverage100%
Infrastructure Quality · Internet Adoption Pct86.6%
Infrastructure Quality · Municipal WaterYes
Infrastructure Quality · Strengthsexcellent broadband, municipal water
Natural Gas · Price Per Mcf$12
Natural Gas · Year2024
Natural Gas · Pct Homes Using Gas0.6%
Nearest Weather Station · IdUSC00394254
Nearest Weather Station · NameIROQUOIS
Nearest Weather Station · Distance0.3 mi
Nearest Weather Station · Noaa Urlhttps://www.ncei.noaa.gov/cdo-web/datasets/GHCND/stations/USC00394254/detail
Plant Hardiness Zone · Zone4b
Plant Hardiness Zone · Min Temp F-25
Plant Hardiness Zone · Max Temp F-20

Sources: EIA state residential price + Census B25040 · NOAA GHCN-Daily station list — nearest by coordinates · USDA PHZM API