Go to city council meetings, make FOIA requests to be sure tbe rate hike is justified. Maybe the water system is stressed because developers building houses aren't ponying up money to compensate for the load they're adding to city infrastructure--happens where I live. 47% sounds extreme.
Why a huge jump at once like that? The city didn't see this coming and raise rates slowly over time? Why not? Try to find the group of existing commercial land lords in your town who aren't happy about this and help them make waves.
Gather rain water.
See if your municipality will meter your sewage. Where I live, they'll do that so you don't pay for more for waste water than u should. Our water bill is so much a gallon for water that we bring in the house, and so much a gallon for water that drains out to sewage. So they assume those amounts are equal and bill you. But, people with lawn irrigation, or fish tanks, can meter their sewage and get a little break cause their sewage is much less than tbe inbound water.
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