35 Ill. Adm. Code 378.202
Seasonally Protected Waters
Section 378
Section 378.202 Seasonally
Protected Waters
Waters within the following
categories must comply with the 200 per 100 ml fecal coliform standard of 35
Ill. Adm. Code 302.209(a) during the months of May through October:
a) All large streams and rivers which support primary contact
activities;
b) All lakes and ponds which support primary contact activity;
c) Pooled areas of small streams where depth and access allow for
primary contact activities; or
d) Streams which flow through or adjacent to parks or residential
areas and are likely to create a risk of incidental or accidental contact.