DB21/T 4440-2026
DB21 · 2026-05-07
Technical Specification for Construction of Riparian Vegetative Buffers to Control Non-Point Source Pollution
1Key Takeaways
This document establishes technical guidelines for constructing riverbank vegetation buffer zones designed to control diffuse pollution. It outlines specific requirements for site selection, vegetation species selection, planting techniques, and management practices. The provisions detail how to implement vegetative ba…
2Scope / Description
This document establishes technical guidelines for constructing riverbank vegetation buffer zones designed to control diffuse pollution. It outlines specific requirements for site selection, vegetation species selection, planting techniques, and management practices. The provisions detail how to implement vegetative barriers along water bodies to intercept runoff, filter pollutants, and stabilize soil. Guidance is provided on plant arrangement density, root system development, and maintenance protocols to ensure long-term effectiveness. The content addresses ecological restoration principles tailored to regional characteristics while focusing on practical engineering measures. Implementation involves coordination between environmental planning and agricultural land use strategies. The text serves as a reference for designing and executing green infrastructure projects aimed at improving water quality through natural filtration mechanisms. It provides a framework for standardizing construction procedures to ensure consistent performance across different river systems. The guidelines emphasize sustainability and ecological balance in pollution control efforts.
3Version History
DB21/T 4440-2026
2026-05-07
5Citation Network
0
Cite this standard
3
Referenced herein
Referenced by DB21/T 4440-2026
GB 5084
GB/T 18894
NY/T 1276
6Frequently Asked Questions
What is DB21/T 4440-2026?
DB21/T 4440-2026 — Technical Specification for Construction of Riparian Vegetative Buffers to Control Non-Point Source Pollution is an international standard developed by Liaoning Provincial Standard of the People's Republic of China. This document establishes technical guidelines for constructing riverbank vegetation buffer zones designed to control diffuse pollution. It outlines specific requirements for site selection, vegetation species selection, planting techniques, and...
What does DB21/T 4440-2026 cover?
This standard covers: This document establishes technical guidelines for constructing riverbank vegetation buffer zones designed to control diffuse pollution. It outlines specific requirements for site selection, vegetation species selection, planting techniques, and management practices. The provisions detail how to...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of DB21/T 4440-2026?
The current published version is DB21/T 4440-2026, published on 2026-05-07. Always check for amendments or pending revisions.
How do I purchase DB21/T 4440-2026?
You can purchase DB21/T 4440-2026 by visiting our contact page. Click "Get This Standard" to view pricing and send a purchase inquiry. Our team will respond with payment and delivery details.