🌊 Flood zones (FEMA NFHL)
High — Special Flood Hazard Area (1%)
0.2% annual (500-yr) floodplain
Zone X — minimal hazard
🚗 Traffic — vehicles/day (AADT)
50,000+
20,000–50,000
5,000–20,000
under 5,000
⛏ Mine subsidence (ISGS)
High — pillars removed (longwall)
Delayed — room & pillar
Unknown method
Mine shaft
⚠️ Environmental sites (EPA / IL EPA)
Superfund / NPL / SEMS
LUST (leaking tank)
RCRA hazardous-waste handler
Brownfield
🎯 Incentive zones
Opportunity Zone (QOZ)
Enterprise Zone
Expired zone
☢️ Radon — area mean pCi/L
8+ (well above action)
4–8 (≥ 4.0 action level)
2–4
under 2
🗺 Zoning — Shelby County
Ag — Agricultural
RR — Rural Residential
R1 — Residential
GB — General Business
I1 — Light Industrial
SpEx — Special Exception
GL