St. Charles: Infrastructure

St. Charles is served by the Gregory 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 (4)

Gregory
SD4600145
Bonesteel
SD4600045
Burke
SD4600079
Dallas
SD4600102

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 · Customers433,548
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%
Broadband · % of premises with 100/20 Mbps broadband100.0%
Broadband · % of premises with 250/25 Mbps broadband100.0%
Broadband · % of premises with 1 Gbps / 100 Mbps broadband91.7%
Broadband · Broadband-capable premises12
Mobile Broadband · 3G mobile coverage0%
Mobile Broadband · 4G mobile coverage100%
Mobile Broadband · 5G mobile coverage25%

Sources: FCC BDC Jun 2025 · FCC BDC Mobile 2024  ·  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)

BURKE AMBULANCE SERVICE INCORPORATED
701 WASHINGTON STREET · (605) 775-2611 · 0.4 mi
GREGORY AMBULANCE ASSOCIATION
120 WEST 6TH STREET · (605) 835-8270 · 7.5 mi
DALLAS VOLUNTEER FIRE DEPARTMENT
330 MAIN STREET · (605) 842-3324 · 11.6 mi

Fire Stations (3)

Burke Volunteer Fire Department
701 Washington Street · 0.4 mi
Gregory Volunteer Fire Department
620 Church Street · 7.5 mi
Dallas Volunteer Fire Department
330 Main Street · 11.6 mi

Police Stations (3)

GREGORY COUNTY SHERIFFS OFFICE
221 EAST 8TH STREET · (605) 775-2626 · 0.5 mi
BURKE POLICE DEPARTMENT
822 MAIN STREET · (605) 775-2282 · 0.5 mi
GREGORY POLICE DEPARTMENT
120 WEST 6TH STREET · (605) 835-9638 · 7.5 mi

Transportation

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

Nearest Airport · NameGregory Municipal Airport - Flynn Field
Nearest Airport · Typesmall airport
Nearest Airport · Distance5.8 mi

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

Dams & Hazards

Dams In County · Total22

Sources: NID 2026  ·  Refreshed 2026-04-12

Other

Infrastructure Quality · Broadband Coverage100%
Infrastructure Quality · Internet Adoption Pct100.0%
Infrastructure Quality · Municipal WaterYes
Infrastructure Quality · Strengthsexcellent broadband, high internet adoption, municipal water
Natural Gas · Price Per Mcf$12
Natural Gas · Year2024
Nearest Weather Station · IdUSC00390778
Nearest Weather Station · NameBONESTEEL
Nearest Weather Station · Distance0.1 mi
Nearest Weather Station · Noaa Urlhttps://www.ncei.noaa.gov/cdo-web/datasets/GHCND/stations/USC00390778/detail
Plant Hardiness Zone · Zone5a
Plant Hardiness Zone · Min Temp F-20
Plant Hardiness Zone · Max Temp F-15

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