Water Consumption Cost Calculator

Interested in learning how your consumption impacts the amount water bill. Below is a rate calculator for a residential consumer in a single family home.

The City of Lake Oswego has a tiered water billing structure. This means that as your water consumption reaches higher amounts, the water gets more expensive. A tiered water billing structure was adopted as a way to encourage conservation of a precious resource - water.
In entering usage, a residential consumer that lives in a single family home can see how a bill is impacted by consumption that is in Tier 1, Tier 2 and Tier 3 levels.

Water usage: CCF
Cost: $0.00
CCF must be a number

The Calculator includes the fixed rate of $29.96 per monthly bill for fiscal year 2023-2024.


Water Rates

Your consumption level can be found in the Water Usage section of your Utility Bill. The fixed rate for single family residential customers is $29.37 and the rest of the bill is based on consumption.


 Monthly Consumption Level       Cost Per 100 Cubic Feet (CCF)  
 Tier 1:  0-8 CCF $3.15/CCF
 Tier 2:  9-16 CCF $4.53/CCF
 Tier 3:  over 17 CCF $8.48/CCF


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