DRAINAGE SYSTEM EFFICIENCY CHECK

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--- VISUAL INSPECTION & GENERAL CONDITION ---
[ ] Date of Inspection (YYYY-MM-DD)
[ ] Inspector Name
[ ] Overall Impression of System Condition
[ ] Visible Signs of Damage (Select all that apply) (Cracks in Channels, Collapsed Sections, Erosion Around Outlets, Leaking Joints, Broken Pipes, None Observed)
[ ] Estimated Length of Drainage System (meters/feet)
[ ] Drainage System Type (Select all that apply) (Surface Drainage, Subsurface Drainage (Tile) , Combination, Other)
[ ] Notes on immediate visual concerns or potential problem areas
[ ] Upload photos of system, including problem areas

--- SURFACE WATER FLOW & PONDING ---
[ ] Observe ponding duration after a typical rainfall event (e.g., 0.5 inch). (< 30 minutes, 30 minutes - 1 hour, 1 - 2 hours, More than 2 hours)
[ ] Maximum depth of ponding observed (in inches)
[ ] Describe the location(s) of observed ponding. Be specific (e.g., low spots in field, near tile outlet).
[ ] Is ponding excessive, causing potential crop stress or damage? (No, Yes, slight, Yes, moderate, Yes, severe)
[ ] What factors contribute to observed ponding (select all that apply)? (Clogged Drain, Flat Terrain, Soil Type (Clayey), Heavy Rainfall, Poor Design, Other (Specify in LONG_TEXT))
[ ] If 'Other' selected in previous question, please describe.

--- DRAINAGE OUTLET FUNCTIONALITY ---
[ ] Outlet Type? (Culvert, Open Ditch, Underground Pipe, Surface Drain, Other)
[ ] Outlet Flow Rate (L/s or GPM)
[ ] Outlet Blockage? (No, Minor, Moderate, Severe)
[ ] Describe any observed outlet issues:
[ ] Water Level at Outlet (m or ft)
[ ] Evidence of Backflow? (Yes, No, Uncertain)
[ ] Attach Photo of Outlet

--- CHANNEL & PIPE CONDITION ---
[ ] Pipe Diameter (inches)
[ ] Pipe Material (PVC, Concrete, Corrugated Metal, HDPE, Other)
[ ] Channel Slope (percent)
[ ] Pipe Condition - Visible Damage? (No, Minor (Surface cracks, minor deformation), Moderate (Significant cracks, partial collapse), Severe (Complete collapse))
[ ] Describe any observed pipe or channel degradation (rust, cracks, settlement, etc.)
[ ] Estimate Sediment Build-up in Channel (inches)
[ ] Upload Photo of Channel/Pipe Condition

--- SEDIMENT & OBSTRUCTION ASSESSMENT ---
[ ] Average Sediment Depth (cm)
[ ] Types of Debris Observed (Leaves, Sticks/Branches, Soil/Mud, Organic Matter (e.g., crop residue), Trash/Plastic, Other (Specify in LONG_TEXT))
[ ] Description of 'Other' Debris (if selected)
[ ] Estimated Percentage of Drainage System Blocked by Sediment/Debris (%)
[ ] Severity of Obstruction (Minor (Less than 10% reduction in flow), Moderate (10-30% reduction in flow), Severe (Greater than 30% reduction in flow))
[ ] Photo of Sediment/Debris Buildup
[ ] Detailed Description of Obstruction Location and Nature

--- VEGETATION MANAGEMENT ---
[ ] Dominant Vegetation Types Observed (Check all that apply) (Grasses, Weeds (Identify Species), Shrubs, Trees, Algae, Other (Specify))
[ ] Detailed Description of Vegetation Presence & Location
[ ] Estimated Vegetation Coverage (%)
[ ] Vegetation Impact on Drainage (Choose One) (No Observable Impact, Minor Obstruction, Moderate Obstruction, Severe Obstruction)
[ ] Describe Specific Areas of Concern Related to Vegetation
[ ] Photos of Vegetation and Potential Obstructions
[ ] Last Vegetation Management Date

--- EROSION CONTROL MEASURES ---
[ ] Riprap Condition (Excellent - Stable and Intact, Good - Minor displacement, still functional, Fair - Noticeable displacement, some loss of material, Poor - Significant loss, ineffective protection)
[ ] Check Dam Height (feet)
[ ] Terrace Stability (if applicable) (Stable, Minor erosion, Moderate erosion, Severe erosion)
[ ] Describe Any Erosion Concerns
[ ] Vegetation Cover Near Erosion Controls (Excellent - Dense and Well-Established, Good - Adequate coverage, Fair - Sparse coverage, some bare spots, Poor - Minimal coverage, significant erosion risk)
[ ] Distance to Nearest Waterbody (feet)
[ ] Attach Photos of Erosion Controls

--- WATER QUALITY & RUNOFF ANALYSIS (OPTIONAL) ---
[ ] Describe any unusual observations regarding runoff color, odor, or appearance.
[ ] pH of runoff sample (if collected).
[ ] Turbidity of runoff sample (NTU - Nephelometric Turbidity Units, if collected).
[ ] Soil erosion observed in runoff? (Visual estimation) (None, Slight, Moderate, Severe)
[ ] Potential pollutants detected in runoff (check all that apply): (Fertilizers, Pesticides, Sediment, Organic Matter, Other (Specify in LONG_TEXT))
[ ] Attach any photos/videos of runoff or surrounding area.
[ ] Date of runoff sample collection

--- END OF TEMPLATE ---
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