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			 The tool allows residents to search for their 
			water system and download a report detailing the types of materials 
			that make up the local water distribution system. The Service Line 
			Material Inventory Reports table can be found at
			
			https:// www2. illinois.gov/epa/ 
			topics/drinking-water/public-water-users/Pages/lead-service-line-information.aspx.  
			All reported data submitted for 2017 is now available online and 
			Community Water Systems have until April 15, 2019 to submit calendar 
			year 2018 data. 
 “This tool has been developed to provide added transparency to 
			residents by identifying the make-up of public water distribution 
			systems in Illinois,” said Illinois EPA Acting Director John J. Kim. 
			“As inventories are completed by community water systems, we 
			anticipate this tool will not only be used by residents but also by 
			public health officials as they investigate possible sources of lead 
			exposure in children with elevated blood lead levels.”
 
			
			 
			Based on preliminary data reported by 1,659 of the 1,743 community 
			water systems in Illinois for 2017, the Agency estimates that 
			Illinois has 3,736,666 total water service lines. Of those, 414,895 
			are made of Lead; 318,653 are Copper (potentially with Lead solder); 
			67,273 are Galvanized; 1,222,133 are Copper without Lead solder; and 
			208,964 are Plastic. The remaining 1,504,748 service lines are 
			currently unknown material, emphasizing the need for complete 
			distribution system material inventories. [to top of second 
            column] | 
            
			 
				 
The Illinois Environmental Protection Act was amended in 2017 by 
Public Act 99-0922 to require annual service line material inventories, which 
provides details on each water distribution system in Illinois. Specifically, 
the law requires each community water system to submit information to the 
Illinois EPA identifying:
 (1) the total number of service lines within or connected to the distribution 
system, including privately owned service lines;
 
 (2) the number of all known lead service lines within or connected to the 
distribution system, including privately owned lead service lines; and
 
 (3) the number of lead service lines that were added to the inventory after the 
previous year’s submission. Water systems will continue to submit information on 
an annual basis until the inventory is complete.
 
 The Environmental Defense Fund has recognized Illinois as one of only 16 states 
that have proactively developed policies related to lead service line 
replacement. Of those 16 states, Illinois is one of just four that has a 
mandatory program to develop a statewide inventory of water distribution 
systems.
 
				 
			[Illinois Environmental Protection 
			Agency] 
			
			 
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