Water Bill Calculation Formula:
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The water bill calculation in Sri Lanka follows a tiered pricing structure that includes a fixed charge, consumption-based charges, and value-added tax (VAT). This system ensures fair pricing based on water usage while maintaining infrastructure costs.
The calculator uses the water bill formula:
Where:
Explanation: The calculation accounts for both fixed infrastructure costs and variable consumption charges, with VAT applied to the total amount as per Sri Lankan regulations.
Details: Accurate water bill calculation helps consumers understand their usage patterns, budget effectively, and promotes water conservation through tiered pricing that charges higher rates for increased consumption.
Tips: Enter consumption in units, the applicable tiered rate per unit, fixed charge amount, and current VAT percentage. All values must be valid non-negative numbers.
Q1: What are the current water rates in Sri Lanka?
A: Water rates vary by consumption tiers and are periodically updated by the National Water Supply and Drainage Board. Check their official website for current rates.
Q2: How often are water bills issued?
A: Water bills are typically issued every two months for domestic consumers in Sri Lanka.
Q3: What is included in the fixed charge?
A: The fixed charge covers basic service connection costs, meter maintenance, and infrastructure upkeep regardless of consumption.
Q4: Are there different rates for different consumer types?
A: Yes, commercial, industrial, and institutional consumers have different rate structures compared to domestic consumers.
Q5: How can I reduce my water bill?
A: Implement water conservation measures, fix leaks promptly, and use water-efficient appliances to reduce consumption and lower your bill.