For anyone and everyone interested in calculating their water usage, our newest customer-centric tool makes estimating a breeze. Whether budgeting, exploring service changes, or just learning a bit more about your usage, this calculator will provide both flat rate and metered customers a snapshot of their anticipated usage and attendant costs. For more information about water rates and fees, visit https://www.stlwater.com/customers/water-rates/.
“Current” reflects the water rates effective July 1, 2026. Future years show the scheduled increases adopted by ordinance. This calculator provides an estimate only; your actual bill may vary. Contact the Water Division with billing questions.
