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3Selection items
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1FAQs
GBStandards cited
Summary: Oxidation and septic ponds use 1.0 mm HDPE membrane with 200-300 g/m2 staple geotextile cushion; design focus is pipe-penetration sealing, top anchoring and full-water testing to stop sewage infiltration into soil and groundwater.
Selection Table
| Position / function | Recommended material | Standard |
|---|---|---|
| Pond liner | 1.0 mm smooth HDPE | GB/T 17643-2025 |
| Cushion | 200-300 g/m2 staple geotextile | GB/T 17638-2017 |
| Erosion zones | Cement mat / eco bags | JC/T 2884-2025 |
Installation Steps
- Dredge and compact pond, trim slopes
- Lay cushion geotextile
- Lay membrane and weld with testing
- Seal inlet/outlet and overflow penetrations, test with water
- Anchor top trench, build slope protection
- Full-water test then commission
