Section 604.315  Source Water Assessment

a)         The source water assessment must contain the following information:

1)         a statement of the importance of the source water;

2)         a list of water supplies that obtain water from this community water supply;

3)         a delineation of all sources of water used by the community water supply, including:

A)        for surface water, description of the watershed, map of the watershed, and intake locations;

B)        for groundwater, the well identification number, well description, well status, and well depth; a description of setback zones; and a description of the aquifer for each well;

4)         a report on the quality of the source water for all sources of water delineated in subsection (a)(3), including:

A)        when and where samples used to determine the quality of the source water were taken.  These samples must be tested by a certified laboratory; and

B)        the certified laboratory's results; 

5)         a report on the quality of the finished water;

6)         an identification of potential sources of contamination to the source water;

7)         the analysis of the source water's susceptibility to contamination; and

8)         an explanation of the community water supply's efforts to protect its source water.

b)         Upon request, the Agency will provide technical assistance to a community water supply in conducting the source water assessment.

c)         A community water supply may use a Source Water Assessment Program Fact Sheet prepared by the Agency to fulfill the requirements of this Section.

(Source:  Amended at 47 Ill. Reg. 7503, effective May 16, 2023)