BillCalc

Karnataka Bangalore Water Supply and Sewerage Board

BWSSB Water Bill Calculator

Calculate your BWSSB water bill using the latest applicable tariff rates. Get an instant estimate with a detailed bill breakdown and optional billing customization.

Tariff Updated: July 2026
Verified with official BWSSB tariff schedule for 2026-27.
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Calculator Inputs

Default Tariff
Select your connection type or billing category.
Select your connection water pipe meter size.
Select whether your property has an active sewerage/drainage connection.
Used to scale minimum water charges and flat UGD limits per flat.
Enter your bi-monthly or monthly consumption.
Default billing period for BWSSB is 1 month.

Estimated Bill Summary

BWSSB Water Bill Calculator

Bangalore Water Supply and Sewerage Board (Karnataka)

ESTIMATE
Connection Type: -
Consumption: -
Billing Period: -

Calculating...

Net Amount Payable
₹0.00
Charge Item Calculation Formula Amount

Cost Composition Chart

Water: ₹0
Fixed: ₹0
Tax/Fee: ₹0

Latest verified BWSSB water tariff rates in Karnataka. View the water rate per KL, tariff slabs, service charges, and applicable taxes for accurate water bill estimation. You can optionally customize tariff slabs and charges to match your latest utility bill. Your customized tariff is saved on this device for future calculations.
Source: Official BWSSB Tariff PDF

BWSSB Domestic (Individual House) Tariff Slabs & Rates

Updated: July 2026

Consumption Slabs & Unit Rates

Consumption Range Unit Rate Billing Type
0 - 8 KL ₹8.76 Telescopic (Split slabs)
9 - 25 KL ₹14.42 Telescopic (Split slabs)
26 - 50 KL ₹35.02 Telescopic (Split slabs)
51 - 100 KL ₹56.65 Telescopic (Split slabs)
Above 101 KL ₹56.65 Telescopic (Split slabs)

Fixed Charges & Other Charges

Charge Name Value Charge Type
Water Charges Minimum Adjustment ₹70.00 (flat) MINIMUM
Meter Service Charge (0-8 KL) ₹30.00 (per Bracket) FIXED
Meter Service Charge (8-25 KL) ₹50.00 (per Bracket) FIXED
Meter Service Charge (25-50 KL) ₹75.00 (per Bracket) FIXED
Meter Service Charge (>50 KL) ₹150.00 (per Bracket) FIXED
Sanitary / Sewerage Charge (31.25%) 31.25% SURCHARGE

BWSSB Domestic (Flats / Apartments) Tariff Slabs & Rates

Updated: July 2026

Consumption Slabs & Unit Rates

Consumption Range Unit Rate Billing Type
0 - 200 KL ₹25.75 Telescopic (Split slabs)
201 - 500 KL ₹28.84 Telescopic (Split slabs)
501 - 1000 KL ₹32.96 Telescopic (Split slabs)
Above 1001 KL ₹56.65 Telescopic (Split slabs)

Fixed Charges & Other Charges

Charge Name Value Charge Type
Sanitary / Sewerage Charge (31.25%) 31.25% SURCHARGE

BWSSB Non-Domestic (Commercial) Tariff Slabs & Rates

Updated: July 2026

Consumption Slabs & Unit Rates

Consumption Range Unit Rate Billing Type
0 - 10 KL ₹61.80 Telescopic (Split slabs)
11 - 25 KL ₹72.10 Telescopic (Split slabs)
26 - 50 KL ₹82.40 Telescopic (Split slabs)
51 - 75 KL ₹97.85 Telescopic (Split slabs)
76 - 100 KL ₹100.94 Telescopic (Split slabs)
Above 101 KL ₹101.97 Telescopic (Split slabs)

Fixed Charges & Other Charges

Charge Name Value Charge Type
Water Charges Minimum Adjustment ₹618.00 (flat) MINIMUM
Sanitary / Sewerage Charge (31.25%) 31.25% SURCHARGE

About BWSSB Water Bill Calculator

The BWSSB Water Bill Calculator is a free online tool designed to help Bengaluru consumers estimate their water bills quickly and accurately. Instead of calculating charges manually, simply enter your water consumption and the calculator will estimate your bill using the tariff settings configured on this page.

The calculator is suitable for residential users, apartment owners, tenants, housing societies, and commercial consumers who want to understand their expected BWSSB water bill before receiving the official invoice. If your latest bill uses different tariff values or charges, you can customize the calculator settings to generate an estimate that closely matches your actual bill.

Along with the estimated amount, the calculator provides a detailed bill breakdown, making it easier to understand how your Bangalore water bill is calculated.

> Disclaimer: This calculator is an independent estimation tool. Actual bills issued by BWSSB may vary due to tariff revisions, billing adjustments, arrears, rebates, taxes, or other applicable charges.

About Bangalore Water Supply and Sewerage Board (BWSSB)

The Bangalore Water Supply and Sewerage Board (BWSSB) is the government agency responsible for providing drinking water and sewerage services across Bengaluru, Karnataka. Established in 1964, BWSSB manages water distribution, wastewater collection, sewage treatment, and the maintenance of the city's water supply infrastructure.

Millions of residents rely on BWSSB for a continuous supply of safe drinking water. The board also promotes water conservation, rainwater harvesting, wastewater recycling, and efficient water management to meet Bengaluru's growing demand.

Consumers can access various online services such as BWSSB water bill payment, new water connections, name transfers, complaint registration, and service requests through the official BWSSB portal. For the latest billing policies and official information, always refer to your recent BWSSB water bill or the official website.

Tips to Reduce Your BWSSB Water Bill

Reducing your BWSSB water bill doesn't always require major changes. Small improvements in daily water usage can significantly lower your monthly consumption.

  • Repair leaking taps, pipes, and flush tanks as soon as possible.
  • Turn off the tap while brushing your teeth or washing dishes.
  • Install water-efficient showerheads and faucet aerators.
  • Use washing machines and dishwashers only with full loads.
  • Reuse RO wastewater or collected rainwater for cleaning and gardening.
  • Water plants early in the morning or late in the evening to reduce water loss through evaporation.
  • Regularly monitor your water meter to identify unusual increases in water consumption.
  • Encourage every family member to use water responsibly and avoid unnecessary wastage.
Following these simple water-saving practices can help reduce your monthly BWSSB water bill, conserve water, and contribute to a more sustainable Bengaluru.

BWSSB Water Bill Components Explained

Learn what each tariff slab, fixed charge, tax, and other billing component means and how it is used to estimate your Water bill.

Billing Component Charge Type What is it? / Description
Water Charges Volumetric Charge Charges based on the quantity of water consumed (measured in Kilolitres - KL), calculated progressively across slabs.
Water Charges Minimum Adjustment Minimum Additional regulatory, administrative, or operational surcharge included in the official billing tariff.
Meter Service Charge Fixed A fixed monthly fee charged by the utility provider for connection maintenance, grid/pipe service availability, independent of consumption.
Sanitary / Sewerage Charge Surcharge Sanitation fee charged by the municipal body or water board for sewage disposal and wastewater treatment systems.

Explore step-by-step bill calculation examples for BWSSB Water Bills based on the latest tariff rates, slabs, and charges published by Bangalore Water Supply and Sewerage Board.

Domestic (Individual House)

What is the BWSSB Water Bill for 10 KL?

The estimated bill is ₹195.46. See charges and slabs format below:

Energy Charges: ₹98.92
Fixed Charges: ₹96.54
1
Volumetric Water Charges
  • Slab (0 - 8): 8 × ₹8.76 = ₹70.08
  • Slab (9 - 25): 2 × ₹14.42 = ₹28.84
2
Surcharges, Fixed Fees & Taxes
  • Meter Service Charge (15mm): ₹50.00
    ₹50/mo × 1 mo
  • Sanitary / Sewerage Charge (31.25%): ₹46.54
    31.25% of Subtotal (₹148.92)
Domestic (Individual House)

What is the BWSSB Water Bill for 18 KL?

The estimated bill is ₹346.87. See charges and slabs format below:

Energy Charges: ₹214.28
Fixed Charges: ₹132.59
1
Volumetric Water Charges
  • Slab (0 - 8): 8 × ₹8.76 = ₹70.08
  • Slab (9 - 25): 10 × ₹14.42 = ₹144.2
2
Surcharges, Fixed Fees & Taxes
  • Meter Service Charge (15mm): ₹50.00
    ₹50/mo × 1 mo
  • Sanitary / Sewerage Charge (31.25%): ₹82.59
    31.25% of Subtotal (₹264.28)
Domestic (Individual House)

What is the BWSSB Water Bill for 20 KL?

The estimated bill is ₹384.72. See charges and slabs format below:

Energy Charges: ₹243.12
Fixed Charges: ₹141.60
1
Volumetric Water Charges
  • Slab (0 - 8): 8 × ₹8.76 = ₹70.08
  • Slab (9 - 25): 12 × ₹14.42 = ₹173.04
2
Surcharges, Fixed Fees & Taxes
  • Meter Service Charge (15mm): ₹50.00
    ₹50/mo × 1 mo
  • Sanitary / Sewerage Charge (31.25%): ₹91.60
    31.25% of Subtotal (₹293.12)
Non-Domestic (Commercial)

What is the BWSSB Water Bill for 25 KL?

The estimated bill is ₹2,296.22. See charges and slabs format below:

Energy Charges: ₹1,699.50
Fixed Charges: ₹596.72
1
Volumetric Water Charges
  • Slab (0 - 10): 10 × ₹61.8 = ₹618
  • Slab (11 - 25): 15 × ₹72.1 = ₹1081.5
2
Surcharges, Fixed Fees & Taxes
  • Meter Service Charge (15mm): ₹50.00
    ₹50/mo × 1 mo
  • Sanitary / Sewerage Charge (31.25%): ₹546.72
    31.25% of Subtotal (₹1749.5)
Non-Domestic (Commercial)

What is the BWSSB Water Bill for 35 KL?

The estimated bill is ₹3,410.53. See charges and slabs format below:

Energy Charges: ₹2,523.50
Fixed Charges: ₹887.03
1
Volumetric Water Charges
  • Slab (0 - 10): 10 × ₹61.8 = ₹618
  • Slab (11 - 25): 15 × ₹72.1 = ₹1081.5
  • Slab (26 - 50): 10 × ₹82.4 = ₹824
2
Surcharges, Fixed Fees & Taxes
  • Meter Service Charge (15mm): ₹75.00
    ₹75/mo × 1 mo
  • Sanitary / Sewerage Charge (31.25%): ₹812.03
    31.25% of Subtotal (₹2598.5)
Non-Domestic (Commercial)

What is the BWSSB Water Bill for 50 KL?

The estimated bill is ₹5,032.78. See charges and slabs format below:

Energy Charges: ₹3,759.50
Fixed Charges: ₹1,273.28
1
Volumetric Water Charges
  • Slab (0 - 10): 10 × ₹61.8 = ₹618
  • Slab (11 - 25): 15 × ₹72.1 = ₹1081.5
  • Slab (26 - 50): 25 × ₹82.4 = ₹2060
2
Surcharges, Fixed Fees & Taxes
  • Meter Service Charge (15mm): ₹75.00
    ₹75/mo × 1 mo
  • Sanitary / Sewerage Charge (31.25%): ₹1,198.28
    31.25% of Subtotal (₹3834.5)

Explore the features that help you estimate your utility bill accurately using customizable tariff slabs, charges, and taxes.

Latest Water Tariffs

Calculates using the latest domestic and commercial water rate schedules from the municipal corporation.

Meter Size Adjustments

Automatically applies varying monthly meter rents or service charges based on your connection pipe diameter (e.g. 15mm, 20mm).

Sewage Charge Calculations

Accurately computes sewage/drainage disposal fees, which are often billed as a percentage of your water consumption charges.

Telescopic Slabs

Correctly routes consumption across progressive tiers (e.g., 0-20 KL, 20-30 KL) to ensure accurate calculation.

Municipal Subsidies

Integrates local water relief policies, including free water allowances (like Delhi's 20 KL free scheme) where applicable.

Itemized Bill Breakdown

Displays distinct billing components: water slab charges, meter rent, sewage surcharge, and local cess charges clearly.

FAQ

Frequently Asked Questions

Common questions about BWSSB Water Bill Calculator

Verified Tariff
Looking for the official BWSSB customer care number, complaint helpline, head office, bill payment portal, online booking service, or official website? Find the latest verified utility contact details and regulator information below.
Utility Provider BWSSB
Full Form Bangalore Water Supply and Sewerage Board
State / Jurisdiction Karnataka
Head Office Address Cauvery Bhavan, K.G. Road, Bengaluru, Karnataka - 560009
Customer Care / Complaint Number 1916
Alternate Toll-Free Number 080-22238888
Support Email callcenter@bwssb.gov.in
WhatsApp Support 8762228888
Official Website Visit Official BWSSB Website

Disclaimer: BillCalc estimates are based on official tariff information and other publicly available utility billing data available at the time of publication. Although we make every effort to keep this information accurate and up to date, tariffs, taxes, surcharges, or billing policies may change without notice. Not all official connection types or tariff categories may be available by default. Where supported, you can use Billing Customization to modify existing tariffs or create a custom connection by adding your own billing slabs, fixed charges, taxes, rebates, fuel adjustment charges, and other applicable billing components to better match your actual utility bill. All calculations are estimates for informational purposes only, and your utility provider's official bill remains the final and authoritative statement of charges.

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