San Francisco is planning to sharply raise water and sewer rates over the coming decade, beginning with a nearly 25% projected bump in residential bills over the next two years, as the growing cost of maintaining the city’s waterworks comes due.
This summer, the average single-family household bill for combined water and sewer service will increase from $171 a month to $189 a month, and next summer it will rise to $212 a month, according to estimates in the rate-hike proposal scheduled for approval next week.
Officials expect that utility rates will continue to climb through at least 2036, though at varying levels…