RWH Consultant for IGBC Certification in Bangalore
- Devaraju HM
- Nov 18, 2025
- 4 min read
RWH Consultant for IGBC Certification in Bangalore – Complete Guide for Sustainable Water Management. As Bangalore faces increasing water scarcity and rising dependency on groundwater tankers, businesses, industries, builders, and institutions are rapidly shifting toward sustainable water management. One of the most effective ways to contribute to sustainability—and also earn essential green building credits—is by implementing a well-designed Rainwater Harvesting (RWH) system under IGBC (Indian Green Building Council) Certification.
Choosing the right RWH Consultant in Bangalore is crucial to ensure compliance, performance, cost efficiency, and long-term sustainability. This blog covers everything you need to know about RWH consultancy for IGBC Certification—its benefits, process, components, and why expert guidance matters.
Why You Need an RWH Consultant for IGBC Certification in Bangalore?
Designing RWH for IGBC requires technical knowledge + regulatory compliance + sustainability expertise. An experienced consultant ensures:
Accurate Rainwater Calculation & Yield Forecasting
Based on roof area, catchment type, rainfall data, and usage pattern.
IGBC-Compliant System Design
Ensuring all components (filters, recharge pits, sumps, stormwater drains) meet certification standards.
Documentation & Drawings for IGBC Submission
Required for pre-certification and final assessment.
CGWA & BWSSB Guidelines Compliance
Essential for borewell recharge and groundwater withdrawal approval.
Quality Execution & Turnkey Support
From concept to commissioning.
Audit, Testing & Reporting
Ensuring system efficiency and long-term performance.
What is IGBC Certification?
The Indian Green Building Council (IGBC) provides rating systems for green buildings, promoting energy and water efficiency, environmental performance, and sustainability.
IGBC Rating Systems Include:
* IGBC Green Homes
* IGBC Green Factory Buildings
* IGBC Green Schools
* IGBC Green New Buildings
* IGBC Existing Buildings (O&M)
* IGBC Landscape
* IGBC Townships
Role of RWH in IGBC Certification
Rainwater harvesting contributes directly to IGBC points under:
*Water Conservation**
*Rainwater Management**
*Stormwater Management**
*Groundwater Recharge**
*Sustainable Site Development**
A compliant RWH system can help score 6–12 points, significantly boosting your overall rating.
Services Offered by RWH Consultants for IGBC Certification in Bangalore
A professional Rainwater Harvesting consultant provides end-to-end solutions:
1. IGBC-Compliant RWH Design & Engineering
* Catchment analysis
* Water balance calculations
* Sizing rainwater storage tanks
* Recharge pit designs
* Stormwater management planning
* Filtration and piping design
2. Rooftop Rainwater Harvesting Systems
* V-wire filters
* First flush systems
* HDPE / concrete sump design
* Auto-clean filtration units
3. Borewell Recharge System
* Scientific design of recharge wells
* Gravel packing, slotted casing pipe
* Recharge enhancement solutions
* Geo-hydrological verification
4. Geo-Physical Survey & Soil Permeability Test
* Resistivity surveys for borewell location
* Percolation rate assessment
* Groundwater level analysis
5. Water Monitoring Systems
*Piezo meters**
*DWLR (Digital Water Level Recorder)**
* Water extraction monitoring for CGWA compliance
6. Rain Gauge & On-Site Water Station Setup
* IGBC-compliant rain monitoring
* Automatic and manual rain gauges
7. Water Audit & Sustainability Reporting
* Detailed water consumption study
* Optimization report
* Submission-ready documentation
8. Turnkey Execution of Rainwater Harvesting Projects
* Material supply
* Civil construction
* Mechanical installation
* Testing and commissioning
RWH Requirements for IGBC Certification – Key Points
To earn IGBC points, the RWH system must satisfy:
✔ Minimum 50% roof rainwater harvesting
✔ Zero discharge or controlled discharge stormwater planning
✔ Recharge structures designed as per rainfall & soil type
✔ Filtration and first-flush equipment
✔ Monitoring of recharge/consumption
✔ Rainwater quality testing (if used for domestic purpose)
Meeting these criteria ensures smooth approval and higher scoring.
Benefits of Choosing a Professional RWH Consultant for IGBC Projects
### ⭐ Improved IGBC Rating Score
A well-designed RWH system significantly increases water conservation points.
Reduced Water Bills & Tanker Dependency
Harvested water reduces demand for external sources.
Groundwater Level Improvement
Sustainable recharge helps prevent depletion.
Regulatory Compliance
Meets standards of IGBC, CGWA, BWSSB, and local municipal laws.
Long-Life, Low-Maintenance System
Professionally engineered solutions ensure durability and efficiency.
Environmental Responsibility
Supports sustainable development and corporate ESG goals.
Applications Across Bangalore
RWH consultancy services are ideal for:
* Apartments & Gated Communities
* Commercial Buildings
* IT Parks & SEZs
* Industries & Factories
* Schools, Colleges & Universities
* Hospitals & Institutions
* Warehouses & Logistics Parks
* Government Buildings
* Layouts & Townships
Why Bangalore Especially Needs IGBC-Compliant RWH Systems?
Bangalore’s rapid urbanization has led to:
Falling groundwater levels
Over-extraction from private borewells
Dependence on expensive tanker water
Reduced rainfall infiltration due to concrete surfaces
Rainwater harvesting—especially when designed according to IGBC guidelines—is the most reliable long-term solution for sustainable water management in the city.
Why Choose a Specialized RWH Consultant in Bangalore?
Strong understanding of *local soil conditions & rainfall patterns**
Experience with *CGWA, BWSSB, and KSPCB regulations**
Proven track record with *IGBC-rated building projects**
Expertise in *end-to-end turnkey RWH solutions**
Accurate documentation and support during IGBC audits
Conclusion
An IGBC-compliant Rainwater Harvesting system not only improves your building’s sustainability score but also ensures long-term water security. Hiring a professional RWH Consultant in Bangalore ensures accurate design, legal compliance, high performance, and successful IGBC certification approval.
Whether you are a builder, industry, school, hospital, or commercial complex—expert consultancy guarantees maximum efficiency and flawless execution
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