Summary
New FEMA flood maps take effect Nov. 27, 2026, and the county must update its floodplain codes to stay in the National Flood Insurance Program. Only five structures — including one county pump station — get newly mapped in, but the new floodway designations along the Patapsco bar any construction there.
At a glance
- Total mentions
- 3
- Last 30 days
- 2
Discussed at 2 meetings in the last 60 days; most recently Oct 15, 2026.
Impact analysis
Five property owners newly mapped in may face mandatory flood insurance if they hold federally backed mortgages; the county's Community Rating System discount of 25% softens premiums.
Flood insurance policyholders countywide, who keep a 25% premium discount under the county's high standards.
The five property owners newly mapped into the floodplain, who may face insurance requirements.
Mentions & discussions (3)
Board of County Commissioners Open Session - Oct 15, 2026
New FEMA flood maps take effect Nov. 27, 2026, and the county must update its floodplain codes to stay in the National Flood Insurance Program. Only five structures — including one county pump station — get newly mapped in, but the new floodway designations along the Patapsco bar any construction there.
Carroll County Planning and Zoning Commission - Oct 7, 2026
FEMA is updating flood insurance rate maps along the Frederick and Howard County boundaries, and the county must adopt new maps and code changes by November 27 or residents lose access to flood insurance. Five properties are newly mapped into the floodplain, including four homes and a county pump station.
Board of County Commissioners Open Session - Sep 3, 2026
Two grant applications — $25,000 for free green infrastructure training and $10,000 for Willow Pond tree replanting — support the county's stormwater permit obligations.
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