Crest Hill is a large public water system in EPA region 5 that provides tap water for the 60403 zip codes. It has 18 facilities where the water supply was tested for 65 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 3.81 µg/L. The maximum reported level of Manganese was 49 µg/L. There were 2 contamintants found in the Crest Hill water supply at levels that were above the minimum reporting level.
TP 1 (Well 1)
Ground Water (GW)TP 1 Finished WaterEntry Point to the Distribution System (EP)
TP 3 (Well 4)
Ground Water (GW)TP 3 Finished WaterEntry Point to the Distribution System (EP)
TP 5 (Well 7)
Ground Water (GW)TP 5 Finished WaterEntry Point to the Distribution System (EP)
TP 6 (Well 8)
Ground Water (GW)TP 6 Finished WaterEntry Point to the Distribution System (EP)
TP 7 (Wells 9 & 12)
Ground Water (GW)TP 7 Finished WaterEntry Point to the Distribution System (EP)
TP 8 (Well 10)
Ground Water (GW)TP 8 Finished WaterEntry Point to the Distribution System (EP)
TP 9 (Well 11)
Ground Water (GW)TP 9 Finished WaterEntry Point to the Distribution System (EP)
Distribution System
Ground Water (GW)19623 Renwick Rd.Distribution System (DS)
14771 Weber Rd.Distribution System (DS)
Distribution System
Ground Water (GW)19623 Renwick RoadMaximum Residence Time (MR)
Well 1 TP
Ground Water (GW)EPTDS from Well 1Entry Point to the Distribution System (EP)
Well 4 TP
Ground Water (GW)Corner ParkEntry Point to the Distribution System (EP)
Well 7 TP
Ground Water (GW)EPTDS from Well 7Entry Point to the Distribution System (EP)
WELL 4 CORNER PARKEntry Point to the Distribution System (EP)
Well 8 TP
Ground Water (GW)EPTDS from Well 8Entry Point to the Distribution System (EP)
Well 9 TP
Ground Water (GW)EPTDS from WellEntry Point to the Distribution System (EP)
WELL 7Entry Point to the Distribution System (EP)
Well 10 TP
Ground Water (GW)EPTDS from Well 10Entry Point to the Distribution System (EP)
WELL 8Entry Point to the Distribution System (EP)
Well 11 TP
Ground Water (GW)EPTDS from Well 11Entry Point to the Distribution System (EP)
WELLEntry Point to the Distribution System (EP)
TP 08-WELL 10
Ground Water (GW)WELL 10Entry Point to the Distribution System (EP)
TP 09-WELL 11
Ground Water (GW)WELL 11Entry Point to the Distribution System (EP)
The latest water samples were taken on December 28th, 2023.