New quarterly rates adopted by the Board of County Commissioners will take effect beginning January 1, 2018.
Please be advised that the Calvert County Board of County Commissioners approved Ordinance 32-18 on June 20, 2018. This ordinance imposes a fee of $45 per quarter ($180 annualized) on 182 customers identified in the ordinance for the purpose of maintaining and servicing these grinder pumps in the interest of public health, safety and welfare. Calvert County does not service other privately owned grinder pumps.
Type of Rate
Base water rate (per EDU*)
Base sewer rate (per EDU*)
Variable water rate (per 1,000 gallons)
Variable sewer rate (per 1,000 gallons)
Fixed sewer rate (Twin Beach only)
State Bay Restoration Fund
*EDU = Equivalent Dwelling Unit
Other Service Fees
New service fees adopted by the Board of County Commissioners will take effect beginning July 1, 2017.
Charges per 1,000 gallons
Septage / portable toilet
Grease trap waste
Charges per occurrence
Additional trip / meter reread / final read
Additional after-hours reconnect fee
Bad check (NSF)
Late payment penalty (charged annually)
Capital Connection Fees Capital connection fees are charged for new connections to public water and sewer systems