Stormwater pond/wetland – operation and maintenance checklist
Stormwater pond/wetland – operation and maintenance checklist.
Link to this table
| Project: | ||
| Location: | ||
| Site Status: | ||
| Date: | ||
| Time: | ||
| Inspector: | ||
| Maintenance Item | Satisfactory / Unsatisfactory | Comments |
|---|---|---|
| 1. Embankment and emergency spillway (Annual, After Major Storms) | ||
| 1. Vegetation and ground cover adequate | ||
| 2. Embankment erosion | ||
| 3. Animal burrows | ||
| 4. Unauthorized plantingn | ||
| 5. Cracking, bulging, or sliding of embankment | ||
| a. Upstream face | ||
| b. Downstream face | ||
| c. At or beyond toe | ||
| downstream | ||
| upstream | ||
| d. Emergency spillway | ||
| 6. Pond, toe & chimney drains clear and functioning | ||
| 7. Seeps/leaks on downstream face | ||
| 8. Slope protection or riprap failure | ||
| 9. Vertical/horizontal alignment of top of dam “As-Built” | ||
| 10. Emergency spillway clear of obstructions and debris | ||
| 11. Other (specify) | ||
| Riser and principal spillway (Annual) | ||
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Type: Reinforced concrete ______ Corrugated pipe ______ Masonry ______ 1. Low flow orifice obstructed |
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| N2. Low flow trash rack. a. Debris removal necessary | ||
| b. Corrosion control | ||
| 3. Weir trash rack maintenance a. Debris removal necessary | ||
| 4. Excessive sediment accumulation insider riser | ||
| 5. Concrete/masonry condition riser and barrels a. cracks or displacement | ||
| No evidence of erosion at downstream toe | ||
| b. Minor spalling (<1” ) | ||
| c. Major spalling (rebars exposed) | ||
| d. Joint failures | ||
| No evidence of erosion at downstream toe | ||
| No evidence of erosion at downstream toe | ||
| e. Water tightness | ||
| 6. Metal pipe condition | ||
| 7. Control valve a. Operational/exercised | ||
| No evidence of erosion at downstream toe | ||
| b. Chained and locked | ||
| 8. Pond drain valve a. Operational/exercised | ||
| b. Chained and locked | ||
| 9. Outfall channels functioning | ||
| 10. Other (specify) | ||
| 3. Permanent Pool (Wet Ponds) (Monthly) | ||
| 1. Undesirable vegetative growth | ||
| 2. Floating or floatable debris removal required | ||
| 3. Visible pollution | ||
| 4. Shoreline problem | ||
| 5. Other (specify) | ||
| 4. Sediment Forebays | ||
| 1.Sedimentation noted | ||
| 2. Sediment cleanout when depth < 50% design depth | ||
| 5. Dry Pond Areas | ||
| 1. Vegetation adequate | ||
| 2. Undesirable vegetative growth | ||
| 3. Undesirable woody vegetation | ||
| 3. Undesirable woody vegetation | ||
| 4. Low flow channels clear of obstructions | ||
| 5. Standing water or wet spots | ||
| 6. Sediment and / or trash accumulation | ||
| 7. Other (specify) | ||
| 6. Condition of Outfalls (Annual , After Major Storms) | ||
| 1. Riprap failures | ||
| 2. Slope erosion | ||
| 3. Storm drain pipes | ||
| 4.Endwalls / Headwalls | ||
| 5. Other (specify) | ||
| 7. Other (specify) | ||
| 7. Other ( Monthly) | ||
| 1. Encroachment on pond, wetland or easement area | ||
| 2. Complaints from residents | ||
| 3.Aesthetics a. Grass growing required | ||
| b. Graffiti removal neededs | ||
| c. Other (specify) | ||
| 4. Conditions of maintenance access routes. | ||
| 5. Signs of hydrocarbon build-up | ||
| 6. Any public hazards (specify) | ||
| 8. Wetland Vegetation (Annual)) | ||
| 1. Vegetation healthy and growing
Wetland maintaining 50% surface area coverage of wetland plants after the second growing season. (If unsatisfactory, reinforcement plantings needed) |
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| 2. Dominant wetland plants:
Survival of desired wetland plant species Distribution according to landscaping plan? |
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| 3. Evidence of invasive species | ||
| 4. Maintenance of adequate water depths for desired wetland plant species | ||
| 5. Harvesting of emergent plantings needed | ||
| 6. Have sediment accumulations reduced pool volume significantly or are plants “choked” with sediment | ||
| 7. Eutrophication level of the wetland. | ||
| 8. Other (specify) | ||
| Comments: | ||
| Actions to be taken:
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