Preconstruction / CONTRACTOR CONTROL GUIDE
Pool Drainage and Grading Planning Guide
Coordinate finished elevations, surface water, overflow, discharge, groundwater, neighboring property, deck interfaces, and restoration before excavation fixes the layout.
Pool Builders Pro Research Desk · Reviewed September 25, 2026 · AI-assisted research with published source and limitation notesRead the existing site
Document contours, low points, roof and yard runoff, retaining conditions, neighboring grades, easements, known groundwater, discharge routes, erosion, and existing drainage features.
Set coordinated elevations
Relate pool water level, coping, deck, thresholds, structures, equipment, gates, planting, swales, drains, walls, and accessible routes on one drawing or elevation schedule.
Assign every water pathway
Define how rainfall, deck wash, roof runoff, overflow, backwash where applicable, equipment drainage, dewatering, and landscape irrigation move without damaging structures or adjoining property.
Coordinate concealed work
Identify subgrade preparation, piping, drain locations, sleeves, waterproofing interfaces, retaining drainage, inspection hold points, and the evidence captured before covering work.
Verify the finished result
Inspect slopes, ponding, drain operation, outlet condition, erosion protection, restored areas, and maintenance access under representative water flow before closeout.
TAKE TO THE CONTRACTOR MEETING
Five control questions
- What evidence describes existing drainage?
- Which drawing coordinates all finished elevations?
- Where does each source of water go?
- Which drainage work becomes concealed?
- How will finished performance be tested?
Sources and verification starting points
EPA: Soak Up the Rain ↗Requirements vary by location and project. Confirm current rules with the responsible authority and obtain appropriate professional advice for the actual agreement.
FIVE PRACTICAL ANSWERS
Pool Drainage and Grading Planning Guide FAQs
What evidence describes existing drainage?
A pool deck should not be designed independently of the property drainage plan.
Which drawing coordinates all finished elevations?
Discharge rules and acceptable outlets vary by jurisdiction.
Where does each source of water go?
Groundwater and surface-water problems require different responses.
Which drainage work becomes concealed?
Neighboring property must be considered in the design.
How will finished performance be tested?
Photograph concealed drainage work and retain final elevations.