Metropolitan St. Louis Sewer District

Commercial/Industrial Customers

Unit of Measurement Rate
Base Charge $11.85/mo.
Compliance Charge $31.95/mo.
Metered Volume $2.11/hundred cubic feet (CCF)


Surcharges for Excess-Strength Sewage

Unit of Measurement Rate
Suspended solids over 300 mg/liter $231.35/ton
Biodegradable oxygen demand over 300 mg/liter $620.14/ton
Chemical oxygen demand over 600 mg/liter $310.07/ton

Note: These surcharges apply to sewage from commercial/industrial customers, which is heavily laden with pollutants above the normal domestic strength and requires extra wastewater treatment.