Chapter 3 Practical 6

Assessing the consumption pattern of a natural resource in the dominant industry at local scale and status of natural resource in areas supplying it

 A

1 Analysis of data

Spatio-Temporal Assessment of Industrial Water Footprint and Supply-Zone Health

1. Objective

• To estimate the water consumption of a local industrial cluster using production and intensity data.

• To analyze the status (depletion/quality) of the supplying natural resource using ISRO and Ministry of Jal Shakti portals.

2. Study Area Selection

Choose a known industrial hub in India. For this practical, we will use Tiruppur (Tamil Nadu) or Panipat (Haryana) as examples.

• Industry: Textiles & Dyeing.

• Natural Resource: Groundwater and River Water.

3. Open Source Data Toolkit

You will need to access the following portals (most require no login for basic data):

• India-WRIS (Water Resources Information System): For groundwater levels and river quality.

• Bhuvan (ISRO Geoportal): For Land Use/Land Cover (LULC) maps to see industrial expansion.

• MSME District Industrial Profiles: To find the number of units and production types.

• CPCB/SPCB (Pollution Control Boards): For industrial effluent and water quality indices.

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4. Methodology & Procedure

Step A: Assessing Industrial Consumption Pattern

1. Identify Production Volume ($P$): Access the MSME District Profile or the Ministry of Textiles annual reports for your chosen cluster.

2. Water Intensity ($I$): Use standard industrial benchmarks for India.

   Note: Cotton textile processing typically consumes 80–150 liters of water per kg of fabric.

3. Calculate Total Annual Demand ($W_{total}$):

   $$W_{total}=P\times I$$

   Compare this demand against the city's total municipal supply to see what percentage the industry consumes.

Step B: Monitoring the Supply Area (Remote Sensing)

1. LULC Analysis: Go to Bhuvan (Thematic Services). Compare the "Built-up (Industrial)" layer and "Water Body" layer for two different years (e.g., 2011 and 2024).

2. Observations: Calculate the percentage of water bodies that have been encroached upon or have dried up as the industrial footprint expanded.

Step C: Quality Assessment of the Supplier

1. Groundwater Trends: Use India-WRIS $\to$ Ground Water Module. Locate your district and compare the "Pre-monsoon" water levels over a 10-year trend.

2. Pollution Indices: Access the CPCB ENVIS portal. Compare the BOD (Biochemical Oxygen Demand) and TDS (Total Dissolved Solids) levels of the river supplying the cluster at upstream vs. downstream points.

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5. Data Recording Table (Sample)

Parameter	Unit	2014 (Baseline)	2024 (Current)	% Change
Industrial Units (Red Cat.)	Nos.	450	820	+82%
Groundwater Depth	m bgl	18.5	45.2	-144%
River BOD (Downstream)	mg/l	4.2	32.0	+661%
Industrial Land Area	sq. km	12.0	28.5	+137%

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6. Interpretation & Conclusion

• Resource Stress: Classify the block as Safe, Semi-Critical, or Over-exploited based on the Central Ground Water Board (CGWB) norms found in your data.

• Sustainability Gap: Discuss if the "dominant industry" is implementing Zero Liquid Discharge (ZLD). For instance, Tiruppur now recycles nearly 90% of its water, which is a key "status" update for your report.

7. References

• India-WRIS Portal

• Bhuvan ISRO

• Open Government Data (OGD) Platform India

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  B

Aim:
To assess the consumption pattern of a key natural resource (water, timber, minerals) by a dominant local industry and evaluate the environmental status of the source regions supplying this resource.

Principle:
Industrial activities often drive intensive extraction and consumption of natural resources, leading to localized environmental degradation. This practical integrates field-based assessment (for local industry) and secondary data analysis (for supply regions) to:

1. Quantify resource use efficiency and wastage in the dominant industry.

2. Identify socio-ecological impacts in source regions (e.g., deforestation, groundwater depletion, soil erosion).

3. Evaluate sustainability gaps and propose context-specific mitigation measures.

Materials Required:

1. Field Equipment:

   • Measuring tapes, weighing scales, water flow meters, GPS device, soil/water testing kits (if applicable).

   • Camera for photographic evidence.

2. Data Tools:

   • Excel/Google Sheets for data analysis.

   • GIS software (e.g., QGIS) or Google Earth for mapping source regions (optional).

3. Secondary Data Sources:

   • Industry reports, environmental impact assessments (EIAs).

   • Government databases (e.g., Central Ground Water Board, Forest Survey of India).

   • Satellite imagery (e.g., USGS EarthExplorer, Sentinel Hub) for land cover change in source areas.

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Procedure:

Phase 1: Selection of Industry and Resource (Pre-Fieldwork)

1. Identify the dominant local industry (e.g., textile unit, sugarcane processing, mining, pottery).

2. Select the primary natural resource it consumes (e.g., water for textiles, clay for pottery, timber for furniture).

3. Define the geographical boundaries:

   • Site A: Industry location (for consumption assessment).

   • Site B: Source region (e.g., river, forest, mining zone).

Phase 2: Assessing Resource Consumption at Industry (Fieldwork)

1. Resource Input Measurement:

   • Record daily/weekly resource input (e.g., water volume via flow meters, timber quantity via invoices).

   • Calculate resource use per unit output (e.g., water per meter of cloth, clay per pot).

2. Wastage Audit:

   • Measure waste generated (e.g., effluent discharge, scrap material).

   • Estimate efficiency: (Usable Output / Total Input) × 100.

3. Stakeholder Engagement:

   • Interview industry managers/workers on resource sourcing practices, challenges, and conservation efforts.

Phase 3: Assessing Source Region Status (Secondary Data Analysis)

1. Environmental Indicators:

   • Water Source: Groundwater level trends (from CGWB), water quality reports.

   • Forests: Deforestation rates (via satellite imagery or FSI reports).

   • Minerals: Land degradation maps from district mining offices.

2. Socio-Economic Indicators:

   • Community surveys (if possible) or review literature on livelihoods impacts.

3. Map Changes:

   • Use historical satellite imagery (Google Earth Pro) to visualize land cover changes in source regions over 10–20 years.

Phase 4: Data Integration and Analysis

1. Correlate industry consumption rates with environmental degradation in source regions.

2. Identify hotspots of resource depletion or conflict.

3. Evaluate sustainability using metrics:

   • Water Stress Index (if water is the resource).

   • Renewability Rate (e.g., groundwater recharge vs. extraction).

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Observations & Data Analysis:

Table 1: Resource Consumption Audit at Industry (Example: Textile Unit)

Parameter	Value	Source/Method
Daily Water Input	500,000 L	Flow meter reading
Daily Fabric Output	10,000 m	Production log
Water Use Intensity	50 L/m of fabric	Calculation: (500,000/10,000)
Wastewater Generated	450,000 L	Effluent discharge records
Recycling Rate	10%	Industry disclosure

Table 2: Status of Water Source Region (Example: Local River)

Indicator	2000	2010	2020	Source
River Flow (Summer)	100 m³/s	85 m³/s	60 m³/s	State Water Board
Groundwater Level (m)	15	22	30	CGWB
Water Quality (BOD, ppm)	2.5	4.0	6.8	Pollution Board

Map Output:

• Overlay industry location and source regions on a map showing declining groundwater levels or forest cover loss.

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Discussion:

1. Consumption Patterns:

   • The textile industry consumes 50 L water/m fabric, exceeding the national average of 40 L/m, indicating inefficiency.

   • Low recycling rates (10%) highlight neglect of circular economy principles.

2. Source Region Degradation:

   • A 40% decline in river flow (2000–2020) correlates with intensive extraction for industrial use.

   • Falling groundwater levels and rising BOD confirm depletion and pollution.

3. Sustainability Challenges:

   • The industry’s water footprint exacerbates regional water stress, affecting agriculture and communities.

   • Lack of policies enforcing resource efficiency and watershed protection perpetuates degradation.

4. Limitations:

   • Industry data may be under-reported; cross-verify with direct measurements.

   • Source region assessment relies on proxy data due to limited field access.

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Conclusion:

The practical revealed a direct link between inefficient resource consumption in the local industry and environmental degradation in source regions. Urgent interventions are needed:

• Industry: Mandate water recycling technologies, adopt waste-minimizing processes.

• Policy: Enforce carrying capacity studies and cap extraction in vulnerable source zones.

• Community: Promote participatory monitoring of resource health.

This approach empowers students to connect local actions to regional impacts, fostering systems thinking in resource management.

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Viva Voce Questions:

1. How would you distinguish between consumption and depletion of a natural resource in this study?

2. What metrics would you use to compare the sustainability of two industries using the same resource?

3. Why is it important to map source regions geographically rather than relying only on consumption data?

4. How might climate change trends in your region further stress the source resource?

5. Propose one low-cost strategy the industry could adopt to reduce its resource footprint.

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Note: Adapt the resource (e.g., limestone for cement, timber for construction) and indicators based on local industry dominance. Integrate community perspectives where possible for socio-ecological relevance.