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Water Audit Methodology

Engineering-Led Water Management & Conservation

At SARK Engineers & Consultants, our water audit methodology is designed to help industrial and institutional facilities optimize water usage, reduce freshwater dependency, improve reuse, and ensure regulatory compliance.

Our approach combines on-site engineering assessment, structured water balance analysis, and AI-assisted decision support—used strictly under expert supervision—to deliver practical, implementable water conservation solutions.

How We Work

Audit Objective & Boundary Definition

The audit begins with a clear definition of objectives, system boundaries, and compliance requirements.

This includes:

  • Understanding process and utility water requirements

  • Identifying freshwater intake, reuse, and discharge points

  • Defining audit scope (process, utilities, domestic, gardening)

  • Alignment with statutory and sustainability goals

Outcome:
A documented audit scope with defined water performance objectives.

Performance Benchmarking & Gap Analysis

Water usage is benchmarked against:

  • Industry best practices

  • Applicable regulatory norms

  • Specific water consumption targets

Benchmarking covers:

  • Freshwater consumption per unit output

  • Reuse and recycle ratios

  • Effluent generation and discharge norms

Outcome:
Quantified gaps and prioritised opportunities for improvement.

Reporting & Documentation

We deliver clear, regulator-ready documentation.

Deliverables include:

  • Detailed water audit report

  • Executive summary for management

  • Water balance diagrams and calculations

  • Compliance support documentation

AI-assisted reporting tools improve clarity and turnaround time, with full engineering review and accountability.

Outcome:
Reports that support approvals and implementation.

On-Site Assessment & Data Collection

Detailed on-site assessments are conducted to capture actual water flows and operating practices.

Activities include:

  • Inspection of intake, storage, distribution, and discharge systems

  • Measurement of flow rates and consumption patterns

  • Review of operating practices and housekeeping

  • Verification of meters, logs, and drawings

Outcome:
Reliable, ground-truth water consumption and discharge data.

Identification of Water Conservation Measures (WCMs)

Based on analysis, Water Conservation Measures (WCMs) are identified.

Typical measures include:

  • Process optimisation and control improvements

  • Leak detection and housekeeping improvements

  • Reuse and recycle enhancement

  • Segregation of streams for targeted treatment

Each measure is evaluated for:

  • Water savings potential

  • CAPEX and OPEX impact

  • Implementation feasibility and risk

Outcome:
A structured, actionable list of water-saving opportunities.

Implementation Support & Post-Audit Review

Where required, we support implementation and performance verification.

Support includes:

  • Technical clarifications during execution

  • Post-implementation water balance review

  • Fine-tuning of operational practices

Outcome:
Sustained water efficiency and compliance.

Water Balance Development & Validation

Collected data is structured into system-wise and plant-level water balances.

This stage includes:

  • Preparation of detailed water balance diagrams

  • Validation of data against production and operating hours

  • Identification of losses, leaks, and inefficiencies

AI-assisted analytical tools may be used to:

  • Detect abnormal consumption patterns

  • Identify data inconsistencies

  • Compare multiple operating scenarios efficiently

Outcome:
Clear visibility into water inflows, usage, reuse, and discharge.

Techno-Economic & Feasibility Analysis

Recommended measures undergo detailed techno-economic evaluation.

This includes:

  • Water and cost savings estimation

  • Payback and lifecycle cost analysis

  • Sensitivity analysis for load and seasonal variation

  • Alignment with regulatory and operational constraints

AI-assisted scenario modelling may be used for faster comparison; final recommendations are engineer-validated.

Outcome:
Decision-ready conservation strategies.

Key Principles of Our Water Audit Approach

  • Engineering judgement drives every recommendation

  • AI supports analysis, not decision ownership

  • Compliance and practicality are non-negotiable

  • Focus on measurable water savings and reuse

Proven at Scale

Our water audit methodology has been successfully applied across 200+ water audits globally, covering industrial, commercial, and institutional facilities.

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