St. Clair: Infrastructure
St. Clair's public-services backbone: the St. Clair, City Of water system, 3 fire stations, and 3 police facilities. Broadband at 100/20 Mbps reaches 100% of premises.
- 94% broadband gap — share of premises without gigabit service.
- 20% of area lacks 4G mobile coverage.
Water & Sewer
Active community water systems serving residents (EPA SDWIS). Each PWS has a unique ID and reports the population it serves.
Systems (1)
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) | 19.30¢/kWh |
|---|---|
| Electricity · Customers | 4,516,367 |
| Electricity · Revenue Millions | $6,466 |
| Electricity · Year | 2024 |
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 broadband | 100.0% |
|---|---|
| Broadband · % of premises with 100/20 Mbps broadband | 100.0% |
| Broadband · % of premises with 250/25 Mbps broadband | 100.0% |
| Broadband · % of premises with 1 Gbps / 100 Mbps broadband | 5.7% |
| Broadband · Broadband-capable premises | 2,675 |
| Mobile Broadband · 3G mobile coverage | 0% |
| Mobile Broadband · 4G mobile coverage | 80% |
| Mobile Broadband · 5G mobile coverage | 100% |
| Mobile Home Parks Detail · County total | 2 |
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)
Fire Stations (3)
Police Stations (3)
Transportation
Nearest airport, Amtrak, and transit stations. Distance is great-circle miles from the town centroid.
| Nearest Airport · Name | St Clair County International Airport |
|---|---|
| Nearest Airport · Type | small airport |
| Nearest Airport · IATA airport code | PHN |
| Nearest Airport · Distance | 0.7 mi |
Sources: OurAirports.com · Refreshed 2026-04-12
Dams & Hazards
| Dams In County · Total | 9 |
|---|
Sources: NID 2026 · Refreshed 2026-04-12
Other
| Infrastructure Quality · Broadband Coverage | 100% |
|---|---|
| Infrastructure Quality · Internet Adoption Pct | 86.1% |
| Infrastructure Quality · Municipal Water | Yes |
| Infrastructure Quality · Strengths | excellent broadband, municipal water |
| Natural Gas · Price Per Mcf | $12 |
| Natural Gas · Year | 2024 |
| Natural Gas · Pct Homes Using Gas | 81.4% |
| Nearest Amtrak · Name | Port Huron, Michigan |
| Nearest Amtrak · Distance | 6.0 mi |
| Nearest Weather Station · Id | US1MISC0007 |
| Nearest Weather Station · Name | PORT HURON 2.0 SSW |
| Nearest Weather Station · Distance | 2.2 mi |
| Nearest Weather Station · Noaa Url | https://www.ncei.noaa.gov/cdo-web/datasets/GHCND/stations/US1MISC0007/detail |
| Plant Hardiness Zone · Zone | 6b |
| Plant Hardiness Zone · Min Temp F | -5 |
Sources: EIA state residential price + Census B25040 · HIFLD Amtrak Stations · NOAA GHCN-Daily station list — nearest by coordinates · USDA PHZM API