Hagerstown sewer customers will see their average quarterly bills rise by nearly $2 starting in October.
The council voted 4-0on Tuesday night to raise the sewer rate by 5.5 percent.
The rate increase will help pay for multimillion dollar upgrades to the city's sewer plant.
City officials anticipate small water and sewer rate increases spread over several years rather than one large increase to help pay for upgrades to city water and sewer plants.
The council on July 28 approved a 5 percent water rate increase that also will take effect with October's bills.
The council voted to introduce a law for the sewer hike on July 28. The sewer rate hike needed two votes because it required changing a law. The sewer rate, unlike water rates, is part of the city code, said City Clerk Gann Breichner.
The average city customer inside the city limits who uses 13,000 gallons every three months pays $35.88 a quarter for sewer and $15.08 a quarter for water.