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Public Service Commission of Wisconsin Requests Additional Information from Mazomanie Water Utility

Strategic Insights

— 2 min read

The Public Service Commission of Wisconsin has asked the Mazomanie Water Utility to provide additional information related to its application to adjust water rates. The request for data was sent to the utility on July 14, 2025, and the utility is required to respond within two weeks. The data request includes information on revenue, expenses, and plant-related questions.

Key Takeaways:

  • The Public Service Commission of Wisconsin has requested additional information from the Mazomanie Water Utility regarding its application to adjust water rates.
  • The utility is required to provide responses to 17 data requests within two weeks of receiving the request.
  • The data requests include information on revenue, expenses, and plant-related questions, such as the estimated annual expenses for the Village of Mazomanie's Public Authority class and the estimated costs for the replacement of lead service lines.
  • The utility is also required to provide detailed explanations for its estimated usage amounts and expense questions, such as the fluctuation in Industrial class usage from 2022-2024 and the explanation for the Public Authority class usage increase from 2023-2024.
  • The data requests also include information on plant-related questions, such as the applicant's rationale for determining if authorization for construction was needed for the building project described in PSCW-CJB-7.
  • The utility is required to provide additional details for the project, including a description of the project, the total project cost, and the applicant's rationale for determining if authorization for construction was needed.
  • The Public Service Commission of Wisconsin has asked the utility to provide an updated debt service schedule for two specific debts, including the "2018 REVENUE BONDS" and the "SAFE DRINKING LOAN".
  • The utility is also required to provide information on its participation in the Wisconsin Department of Natural Resources' (DNR) Private LSL Replacement Program, including any operating expenses, capital costs, and principal forgiveness revenues associated with the replacement of customer-owned lead service lines.

Statistics:

  • The utility is required to provide 2025 year-to-date usage for the Residential, Industrial, and Public Authority classes, which was not available in the original text.
  • The Industrial class usage declined significantly from 18,409 mgal in 2022 to 16,129 mgal in 2023, and then increased to 19,201 mgal in 2024.
  • The Public Authority class usage increased significantly from 3,655 mgal in 2023 to 5,205 mgal in 2024.
  • The utility is required to provide information on its costs for the replacement of lead service lines, including operating expenses, capital costs, and principal forgiveness revenues associated with the replacement of customer-owned lead service lines.
  • The utility is also required to provide an updated debt service schedule for two specific debts, including the "2018 REVENUE BONDS" and the "SAFE DRINKING LOAN".

Sources:

  • Public Service Commission of Wisconsin. (2025). Re: Application of the Village of Mazomanie, Dane County, Wisconsin, as a Water Public Utility, for Authority to Adjust Water Rates 3480-WR-104.
  • Wisconsin Department of Natural Resources. (n.d.). Private Lead Service Line Replacement Program.

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