KWA Water Bill Calculator 2026

Estimate your monthly Kerala Water Authority bill based on latest tariff slabs and consumption.

1 Kiloliter = 1,000 Litres

KWA Billing FAQs

KWA uses a hybrid system. For 0–15 kl, it is telescopic (slab-wise). Above 15 kl, it becomes non-telescopic, meaning the higher rate is applied to the entire consumption amount.

For a standard domestic connection, the minimum charge is ₹72.05 per month, which covers consumption up to 5,000 litres (5 kl).

Yes, BPL (Below Poverty Line) families in Kerala receive free water up to 15,000 litres (15 kl) per month. If consumption exceeds this limit, normal domestic rates apply from the first litre.

In early 2023, the Kerala government implemented a hike of 1 paisa per litre. This equates to ₹10 per kilolitre (kl), which has been added to every slab in the previous tariff structure.

If your property has a KWA sewerage connection, an additional 11.02% of the total water charge is added to your bill as a service fee for wastewater management.

Unlike individual houses, apartments and flats are charged a fixed rate of ₹55.13 per dwelling unit per month, in addition to the volumetric water consumption charges.

Because KWA switches to a non-telescopic rate at 15 kl. For example, at 14 kl you pay slab-wise, but at 16 kl, you pay a flat ₹16.62 for every single kl from 0 to 16.

Yes, in 2026, KWA provides a 50% concession on water charges for differently-abled individuals, orphanages, and old-age homes, provided their annual income is below ₹2 lakh.

You can pay via the KWA Quick Pay portal using your Consumer ID. It is also available on apps like Google Pay, Amazon Pay, and PhonePe under the ‘Water Bill’ section.

You can report leaks or pipe bursts via the 24/7 toll-free helpline 1916. KWA also offers a “Hidden Leakage Benefit” where you may get a 50% discount on the excess bill caused by an undetected leak.