erosion hazard zone - maricopa county, arizonaapps.fcd.maricopa.gov/projects/ppm/downloads... ·...

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Buffer 100-year W.S. Elevation FEMA 100-year Floodway FEMA 100-year Floodplain Erosion Hazard Zone Revegetated Slope Backfill Buried Back Protection 100-year Floodplain Erosion Hazard Zone 100-year Floodway Low Flow Channel 100-year W.S Elevation Backfill & Revegetation Cut Bank (Buried rock trench option) Offset Bank Protection Buffer Area Removed from Erosion Hazard Zone Area Removed from Erosion Hazard Zone

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Page 1: Erosion Hazard Zone - Maricopa County, Arizonaapps.fcd.maricopa.gov/Projects/PPM/downloads... · Erosion Hazard Zone Revegetated Slope Backfill Buried Back Protection 100-year Floodplain

Buffer

100-year W.S. Elevation

FEMA 100-year Floodway

FEMA 100-year Floodplain

Erosion Hazard Zone

Revegetated Slope

BackfillBuried Back Protection

100-year Floodplain

Erosion Hazard Zone

100-year Floodway

Low Flow Channel

100-year W.S Elevation

Backfill & Revegetation

Cut Bank(Buried rock trench option)Offset Bank Protection

Buffer

Area Removed fromErosion Hazard Zone

Area Removed fromErosion Hazard Zone

Page 2: Erosion Hazard Zone - Maricopa County, Arizonaapps.fcd.maricopa.gov/Projects/PPM/downloads... · Erosion Hazard Zone Revegetated Slope Backfill Buried Back Protection 100-year Floodplain

100-year W.S. Elevation

FEMA 100-year FloodwayFEMA 100-year FloodplainErosion Hazard Zone

Buffer

Area Removed from 100-year FloodplainMaintenance RoadBank Protection

Area Removed from Erosion Hazard Zone

Area Removed from100-year Floodplain typ.

Area Removed from Erosion Hazard Zone

100-year W.S. Elevation

FEMA 100-year Floodway

FEMA 100-year FloodplainErosion Hazard Zone

Maintenance Road typ.Bank Protection

Area Removed fromErosion Hazard Zone

Page 3: Erosion Hazard Zone - Maricopa County, Arizonaapps.fcd.maricopa.gov/Projects/PPM/downloads... · Erosion Hazard Zone Revegetated Slope Backfill Buried Back Protection 100-year Floodplain

NORTH PEORIA AREA DRAINAGE MASTER PLAN

FIGURE 20IN-STREAM, IN-LINE DETENTION

Page 4: Erosion Hazard Zone - Maricopa County, Arizonaapps.fcd.maricopa.gov/Projects/PPM/downloads... · Erosion Hazard Zone Revegetated Slope Backfill Buried Back Protection 100-year Floodplain

NORTH PEORIA AREA DRAINAGE MASTER PLAN

FIGURE 21IN-STREAM, OFF-LINE RETENTION

Page 5: Erosion Hazard Zone - Maricopa County, Arizonaapps.fcd.maricopa.gov/Projects/PPM/downloads... · Erosion Hazard Zone Revegetated Slope Backfill Buried Back Protection 100-year Floodplain

100-year W.S. Elevation

FEMA 100-year Floodway

FEMA 100-year Floodplain

100-year W.S. Elevation

FEMA 100-year Floodway

FEMA 100-year Floodplain