Notice of Rate Increase Water Customers of the Harmony Grove Sanitary District #1 This is to give you notice that the Harmony Grove Sanitary District #1 will file an application on November 13, 2023, with the Public Service Commission of Wisconsin (PSC), for authority to increase water rates. Rates for general service will increase 8.0 percent.

Customer Classification Meter Size Gallons Existing Quarterly Rate Revised Quarterly Rate

Average Residential 3/4 12,000 $34.46 $37.24

Average Residential 1 12,000 $41.65 $45.01

Average Residential 1 1/2 12,000 $50.12 $54.15

Large Residential 3/4 18,500 $43.24 $46.73

Large Residential 1 18,500 $50.43 $54.50

The increase is necessary to reduce the existing deficiency in present rates. The request is being made under Wis. Stat. 196.193. Rate increases granted under this statute do not require a public hearing. The effect of the increase for some selected customers is shown below. Public Fire Protection and Wholesale rates (if applicable) will also increase 8.0 percent. Harmony Grove Sanitary District #1 anticipates that this rate increase will go into effect on December 31, 2023. If you have any questions about the rate increase request, call the Harmony Grove Sanitary District #1 at (608) 592-5795