Drainage System Efficiency Check Checklist

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This Template was installed 1 times.

Visual Inspection & General Condition

1 of 8

Initial assessment of the drainage system's physical state and obvious issues.

Date of Inspection (YYYY-MM-DD)

Inspector Name

Overall Impression of System Condition

Visible Signs of Damage (Select all that apply)

Estimated Length of Drainage System (meters/feet)

Drainage System Type (Select all that apply)

Notes on immediate visual concerns or potential problem areas

Upload photos of system, including problem areas

Surface Water Flow & Ponding

2 of 8

Evaluating how surface water behaves after rainfall events.

Observe ponding duration after a typical rainfall event (e.g., 0.5 inch).

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?

What factors contribute to observed ponding (select all that apply)?

If 'Other' selected in previous question, please describe.

Drainage Outlet Functionality

3 of 8

Assessing the efficiency of outlets, including culverts, ditches, and pipes.

Outlet Type?

Outlet Flow Rate (L/s or GPM)

Outlet Blockage?

Describe any observed outlet issues:

Water Level at Outlet (m or ft)

Evidence of Backflow?

Attach Photo of Outlet

Channel & Pipe Condition

4 of 8

Detailed examination of the integrity and cleanliness of channels and pipes.

Pipe Diameter (inches)

Pipe Material

Channel Slope (percent)

Pipe Condition - Visible Damage?

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

5 of 8

Identifying and quantifying sediment buildup and any blockages within the drainage system.

Average Sediment Depth (cm)

Types of Debris Observed

Description of 'Other' Debris (if selected)

Estimated Percentage of Drainage System Blocked by Sediment/Debris (%)

Severity of Obstruction

Photo of Sediment/Debris Buildup

Detailed Description of Obstruction Location and Nature

Vegetation Management

6 of 8

Reviewing vegetation growth within and around the drainage system and its impact on efficiency.

Dominant Vegetation Types Observed (Check all that apply)

Detailed Description of Vegetation Presence & Location

Estimated Vegetation Coverage (%)

Vegetation Impact on Drainage (Choose One)

Describe Specific Areas of Concern Related to Vegetation

Photos of Vegetation and Potential Obstructions

Last Vegetation Management Date

Erosion Control Measures

7 of 8

Checking the effectiveness of erosion control structures (riprap, check dams, etc.).

Riprap Condition

Check Dam Height (feet)

Terrace Stability (if applicable)

Describe Any Erosion Concerns

Vegetation Cover Near Erosion Controls

Distance to Nearest Waterbody (feet)

Attach Photos of Erosion Controls

Water Quality & Runoff Analysis (Optional)

8 of 8

Collecting samples and analyzing runoff to evaluate water quality and nutrient loss (requires specific equipment and expertise).

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)

Potential pollutants detected in runoff (check all that apply):

Attach any photos/videos of runoff or surrounding area.

Date of runoff sample collection

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