Rates & Fees

Quick Contact Numbers

Division Number
Engineering Transportation 410-535-2204
Project Management 410-535-2204
Water and Sewer 410-535-1600, ext. 2554
Highway Maintenance 410-535-0905
Solid Waste 410-326-0210
Fleet Maintenance 410-535-0167
General Services 410-535-1600, ext. 2327

Water & Sewer Rates

New quarterly rates adopted by the Board of County Commissioners will take effect beginning January 1, 2021.

Type of RatePast
Base water rate (per EDU*)$55.16$55.51$59.34
Base sewer rate (per EDU*)$110.86$111.35$119.03
Variable water rate (per 1,000 gallons)$2.71$2.74$2.92
Variable sewer rate (per 1,000 gallons)$5.48$5.91$6.32
Fixed sewer rate (Twin Beach only)$165.66$176.36$182.21
State Bay Restoration Fund$15$15$15

*EDU = Equivalent Dwelling Unit

Important Notice

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.

Other Service Fees

New service fees adopted by the Board of County Commissioners will take effect beginning July 1, 2017.

Charges per 1,000 gallonsOld FeeNew Fee
Bulk water$3.75$4.50
Holding tank$10$65
Septage / portable toilet$45$65
Grease trap waste$45$100


Charges per occurrenceOld FeeNew Fee
RV discharge$5$10
Additional trip / meter reread / final read$0$35
Reconnect fee$30$35
Additional after-hours reconnect fee$0$15
Bad check (NSF)$25$25
Late payment penalty (charged annually)8%8%


Capital Connection Fees
Capital connection fees are charged for new connections to public water and sewer systems

Charges per EDUOld FeeNew Fee