§ 209-a. Definitions. For the purposes of this article the following definitions shall apply:

1. the term "improvement district" shall include only a sewer, wastewater disposal, drainage, water, park, public parking, lighting, snow removal, water supply, sidewalk, refuse and garbage, aquatic plant growth control, or watershed protection improvement district or ambulance district in any town, and, in any town bordering upon or containing within its boundaries any navigable water of this state a public dock or beach erosion control district;

2. the term "typical property" shall mean a benefited property having an assessed value that approximates the assessed value of the mode of the benefited properties situated in the district or extension that will be required to finance the cost of the proposed improvements;

3. the term "typical one or two family home" shall mean a benefited property improved by a one or two family dwelling and having as assessed value that approximates the assessed value of the mode of the benefited properties improved by one or two family dwellings situated in the district or extension that will be required to finance the cost of the proposed improvements;

4. the terms "cost of the district or extension to the typical property" and "cost of the district or extension to the typical one or two family home" shall mean the amount that is estimated that the owner of such a typical property or home within the district or extension will be required to pay for debt service, operation and maintenance and other charges, such as user charges, related to the improvements in the first year following formation of the district or extension or, if greater, in the first year in which both principal and interest on any indebtedness and operation and maintenance costs will be paid;

5. the term "mode" shall mean, in connection with assessed value of property, the most frequently occurring assessed value as shown on the latest completed final assessment roll.