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How is my sewer bill determined?

The Cedarburg Sewerage Commission has established the following method for billing residential sewer charges. The method may seem a little confusing at first, but when compared to methods used by surrounding communities, it is actually quite logical and equitable for Cedarburg residents. If you would like further explanation, give us a call and we’ll be able to explain exactly how the methodology affects your sewer bills.

During the five "Winter Months" (see definition), the vast majority of the water you use is disposed of through the sanitary sewer. So in general, your sewer bill is based on the water gallons you use during the winter months.

It works like this:

During your "Winter Months", your sewer bill will be based on the exact number of water gallons you use. For example, if your monthly water meter reading shows that you used 8,000 gallons of water, you will be charged for 8,000 gallons of water and 8,000 gallons of sewer disposal. That’s pretty simple. The methodology used during the summer months is where it gets a little confusing …

During the seven "Summer Months" (see definition), you will pay sewer disposal charges on your actual water usage OR your “SUMMER SEWER MAXIMUM,” whichever is the lowest.

Your “SUMMER SEWER MAXIMUM” is based on the average of your highest three "Winter Months" water usage … or 6,000 gallons … whichever is higher.

"Winter Months" definition: Look at the "read dates" included on your bills that have payments due in January, February, March, April and May. Residential customers pay sewer charges on 100% of the water gallons used during the read dates included on these bills.

"Summer Months" definition: Look at the "read dates" included on your bills that have payments due in June, July, August, September, October, November, and December. Residential customers pay sewer charges on the lesser of the actual water gallons used or the summer sewer maximum during the read dates included on these bills. This helps to avoid sewer from being charged on water used for lawn sprinkling.