§ 1078-d. Additional powers of the county of Suffolk and towns and villages within Suffolk county. 1. a. In addition to any powers granted by any general or special law, the board of supervisors of the county of Suffolk, acting on behalf of the county, and any town board or village board of trustees of any town or village within the county of Suffolk, acting on behalf of such town or village, either separately or pursuant to agreements among themselves, may, from time to time, appropriate by resolution sums of money to defray costs and expenses of the authority associated with the extension of authority mains to areas in the county within which the county department of health services has documented that private wells providing water to home owners have become contaminated with pollutants in concentrations greater than recommended by any drinking water guidelines or standard established by the federal government or this state, and may enter into a contract or contracts with the authority to so extend authority mains.

b. In areas of documented groundwater contamination where potable water may be more economically supplied by a municipal water authority, special district or improvement area established to provide a water improvement, or by a village, than by the Suffolk county water authority, the county board of supervisors and any town board or village board of trustees within Suffolk county may appropriate sums of money to said municipal water authority, special district or improvement area or village, and enter into a contract or contracts, in accordance with this subdivision.

2. Persons wishing to connect to mains that have been extended to areas of documented groundwater contamination with financial assistance by the county, or any town or village as provided herein, shall be solely responsible for costs and expenses associated with connecting to said mains.

3. Appropriations of money by the county board of supervisors and any town board or village board of trustees in the county of Suffolk to the authority or to a municipal water authority, special district or improvement area or village within Suffolk county, and any contract or contracts entered into with said authority or municipal water authority, special district or improvement area or village prior to the effective date of this section that are consistent with the authorization in subdivision one of this section are hereby legalized, validated, ratified and confirmed.