The phrase denotes a tool, often web-based, that estimates the cost of water consumption for a specific residential or commercial address based on its postal code. These estimation resources use algorithms that consider factors like average household size, local water rates, seasonal usage patterns, and, most importantly, the geographical location indicated by the postal code. For instance, a residence in a desert area with high water scarcity may face higher rates, reflected in the estimation.
Access to these tools provides individuals and businesses with greater transparency and predictability regarding their utility expenses. This can lead to more effective budgeting, conservation efforts, and informed decision-making about water usage habits. Historically, understanding water costs required direct communication with local utility companies; these calculators offer a preliminary estimate, empowering consumers before receiving their actual billing statement. This capability becomes especially valuable in regions with fluctuating water rates or tiered pricing structures.