- Effective every July, the City of Hughson adjusts the rates for water, sewer and garbage. Water is increased according to the Proposition 218 notification approved on July 13, 2015 and effective August 1, 2015. Sewer is increased according to the Consumer Price Index (CPI). Per the agreement with Gilton garbage rate will not increase until July 2018. The next rate adjustment will take place in July 2017.