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Maintenance guide
Drainfields need airflow and dry soils to treat wastewater—keep traffic, roots, and excess water away.
Do not park, drive, or store heavy equipment over the drainfield.
Compacted soils reduce treatment effectiveness and can damage pipes.
Plant grass or shallow-rooted groundcover over the drainfield.
Keep trees and shrubs at a safe distance to avoid root damage.
Keep roof drains, sump pumps, and runoff away from the drainfield area.
Excess water slows down or stops wastewater treatment in the soil.
Can I build a shed or patio over the drainfield?
No. Structures and hard surfaces restrict oxygen flow and can damage the field.
Is it okay to plant trees nearby?
Large roots can damage drainfield pipes; keep trees at a safe distance.
Should I fertilize the drainfield?
Avoid fertilizers. Native grass or groundcover is the safest option.
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Last reviewed January 30, 2026 by SepticNearMe Editorial Team. This guide is informational and does not replace on-site evaluation by a licensed professional.
Learn more about our review process in the editorial policy.