市政基础设施检查 17 项
Detention/Retention Pond Inspection
此检查清单为英文版。
Routine inspection of stormwater detention and retention (wet) ponds including embankment, outlet works, spillway, sediment storage, and vegetation.
EPA NPDES StormwaterUSACE Small Impoundment GuidanceLocal Stormwater Design Manual
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Pond Information
- Pond ID / location *
- Date of inspection *
- Pond type (dry detention, wet retention, extended detention)
Embankment & Side Slopes
- Is the embankment free of erosion, rills, animal burrows, or seepage? *
- Are side slopes stable and vegetated with no slumping or bare areas? *
- Is the embankment crest free of settlement or cracking?
- Is woody vegetation absent from the embankment (per dam-safety practice)?
Outlet & Spillway
- Is the principal outlet/riser structure free of blockage, corrosion, or damage? *
- Is the trash rack/anti-vortex device intact and clear? *
- Is the emergency spillway free of erosion and obstruction? *
- Is the outfall/energy dissipator free of scour or undermining?
Sediment & Water Quality
- Is sediment accumulation below the cleanout threshold in the forebay and pond? *
- Measured sediment depth in forebay (inches)
- For wet ponds, is the permanent pool at design elevation (no drawdown/clogging)?
- Is the pond free of nuisance conditions (algae, odor, debris)?
Findings
- Were any maintenance deficiencies identified? *
- Maintenance actions recommended
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