City and town drinking water records

Water systems serving Matteson, IL

1 community water system has a mapped service area in Matteson, IL. Matteson covers 70% of the area inside Matteson's Census boundary and reports serving 18,293 people in all.

It had no health-based violation in the last 10 years.

Its lead service line inventory lists 1,295 lead lines, 7 galvanized lines that must be replaced and 2,114 lines of unknown material.

1 more system is placed in Matteson by EPA's town record because it has no service area map that lines up with its own records, so it is listed apart and not counted here.

Community water systems: 1
Systems with a health-based violation, last 10 years: 0
Systems with one unresolved: 1
Lead service lines in inventories: 1,295

Water systems serving Matteson

1 system

People served is each system's own figure for its whole service area. Violation counts cover the last 10 years of EPA records.

System	Area	People served	Main source	Health-based violations, 10 years	Unresolved	Lead lines
Matteson	Covers 70% of Matteson	18,293	Purchased surface water	0	3	1,295

Systems placed by EPA's town record in Matteson

1 system

The service area map EPA has for this system does not line up with its own records. It is placed by EPA's town record (EPA lists it serving this town), and without a map it is not counted in the figures above.

System	Area	People served	Main source	Health-based violations, 10 years	Unresolved	Lead lines
Aqua Illinois-Timber Ridge	Town on record	2,322	Purchased groundwater	0	0	No inventory

Other cities and towns in Cook County

116 places

Back to Cook County, IL

Counties come from the counties EPA lists each system serving, matched to 2024 Census counties; where EPA lists none, from the county coded in the system's ID, its service area map, or its mailing address. A county holding at least a fifth of a system's service area map is added when at least a fifth of that map lies in those counties. Towns are the ones EPA lists and the Census places such a map covers, always inside those counties. In New England, where EPA's town names a whole Town, it is not matched to the village of the same name. A system is not listed in a county holding less than a fifth of its map, or in a county or town its map reaches when the map lies mostly outside the counties EPA lists, so a page can leave out a system that serves part of the area. Methodology and limitations