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Metropolitan Water Reclamation District of Greater Chicago

Current TARP Reservoir Levels 

Tunnel and Reservoir Plan (TARP) Return Flow 

Detailed daily data on water pumped to water reclamation plants from TARP

Calumet TARP 1988-2010
Calumet TARP 2011-2020
Calumet TARP 2021-2030
Stickney TARP 1989-2010
Stickney TARP 2011-2020
Stickney TARP 2021-2030
 


TARP Groundwater Monitoring Reports

Reports on groundwater monitoring at TARP reservoirs and tunnels

Report No. 23-44 Thornton Composite Reservoir Groundwater Monitoring Report Third Quarter 2023

Report No. 23-43 Thornton Composite Reservoir Groundwater Monitoring Report Second Quarter 2023

Report No. 23-25 Tunnel and Reservoir Plan Thornton Transitional Flood Control Reservoir and Wells Annual Groundwater Monitoring Report for 2022

Report No. 23-24 Tunnel and Reservoir Plan Upper Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2022

Report No. 23-23 Tunnel and Reservoir Plan Gloria Alitto Majewski CUP Underflow Plan Reservoir Water Quality Monitoring Wells Annual Groundwater Monitoring Report for 2022

Report No. 23-22 Tunnel and Reservoir Plan Mainstream Tunnel System Annual Groundwater Monitoring Report for 2022

Report No. 23-21 Tunnel and Reservoir Plan Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2022

Report No. 23-20 Tunnel and Reservoir Plan Calumet Tunnel System Annual Groundwater Monitoring Report for 2022

Report No. 23-19 Thornton Composite Reservoir Groundwater Monitoring Report First Quarter 2023

Report No. 23-14 Tunnel and Reservoir Plan McCook Reservoir Annual Groundwater Monitoring Report for 2022

Report No. 23-09 Thornton Composite Reservoir Groundwater Monitoring Report Fourth Quarter 2022

Report No. 22-40 Thornton Composite Reservoir Groundwater Monitoring Report Third Quarter 2022

Report No. 22-29 Thornton Composite Reservoir Groundwater Monitoring Report Second Quarter 2022

Report No. 22-21 Tunnel and Reservoir Plan Upper Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2021

Report No. 22-20 Tunnel and Reservoir Plan Thornton Transitional Flood Control Reservoir and Wells Annual Groundwater Monitoring Report for 2021

Report No. 22-19 Tunnel and Reservoir Plan Gloria Alitto Majewski CUP Underflow Plan Reservoir Water Quality Monitoring Wells Annual Groundwater Monitoring Report for 2021

Report No. 22-18 Tunnel and Reservoir Plan Mainstream Tunnel System Annual Groundwater Monitoring Report for 2021

Report No. 22-17 Tunnel and Reservoir Plan Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2021

Report No. 22-16 Tunnel and Reservoir Plan Calumet Tunnel System Annual Groundwater Monitoring Report for 2021

Report No. 22-14 Thornton Composite Reservoir Groundwater Monitoring Report First Quarter 2022

Report No. 22-10 Tunnel and Reservoir Plan McCook Reservoir Annual Groundwater Monitoring Report for 2021

Report No. 22-06 Thornton Composite Reservoir Groundwater Monitoring Report Fourth Quarter 2021

Report No. 21-43 Thornton Composite Reservoir Groundwater Monitoring Report Third Quarter 2021

Report No. 21-35 Thornton Composite Reservoir Groundwater Monitoring Report Second Quarter 2021

Report No. 21-29 Tunnel and Reservoir Plan Calumet Tunnel System Annual Groundwater Monitoring Report for 2020

Report No. 21-28  Tunnel and Reservoir Plan Gloria Alitto Majewski CUP Underflow Plan Reservoir Water Quality Monitoring Wells Annual Groundwater Monitoring Report for 2020

Report No. 21-27 Tunnel and Reservoir Plan Thornton Transitional Flood Control Reservoir and Wells Annual Groundwater Monitoring Report for 2020

Report No. 21-26 Tunnel and Reservoir Plan Upper Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2020

Report No. 21-25 Tunnel and Reservoir Plan Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2020

Report No. 21-24 Tunnel and Reservoir Plan Mainstream Tunnel System Annual Groundwater Monitoring Report for 2020

Report No. 21-20 Thornton Composite Reservoir Groundwater Monitoring Report First Quarter 2021

Report No. 21-21 Tunnel and Reservoir Plan McCook Reservoir Annual Groundwater Monitoring Report for 2020

Report No. 21-09 Thornton Composite Reservoir Groundwater Monitoring Report Fourth Quarter 2020

Report No. 21-02 Groundwater Quality under Tunnel Fills 2017-2019

Report No. 20-33 Thornton Composite Reservoir Groundwater Monitoring Report Third Quarter 2020

Report No. 20-26 Thornton Composite Reservoir Groundwater Monitoring Report Second Quarter 2020

Report No. 20-21 Tunnel and Reservoir Plan Calumet Tunnel System Annual Groundwater Monitoring Report for 2019

Report No. 20-20 Tunnel and Reservoir Plan Gloria Alitto Majewski CUP Underflow Plan Reservoir Water Quality Monitoring Wells Annual Groundwater Monitoring Report for 2019

Report No. 20-19 Tunnel and Reservoir Plan Thornton Transitional Flood Control Reservoir and Wells Annual Groundwater Monitoring Report for 2019

Report No. 20-18 Tunnel and Reservoir Plan Upper Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2019

Report No. 20-17 Tunnel and Reservoir Plan Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2019

Report No. 20-16 Tunnel and Reservoir Plan Mainstream Tunnel System Annual Groundwater Monitoring Report for 2019

Report No. 20-15 Tunnel and Reservoir Plan McCook Reservoir Annual Groundwater Monitoring Report for 2019

Report No. 20-14 Thornton Composite Reservoir Groundwater Monitoring Report First Quarter 2020

Report No. 20-06 Thornton Composite Reservoir Groundwater Monitoring Report Fourth Quarter 2019

Report No. 19-32 Thornton Composite Reservoir Groundwater Monitoring Report Third Quarter 2019

Report No. 19-27 Tunnel and Reservoir Plan McCook Reservoir Annual Groundwater Monitoring Report for 2018

Report No. 19-25 Thornton Composite Reservoir Groundwater Monitoring Report Second Quarter 2019

Report No. 19-20 Tunnel and Reservoir Plan Calumet Tunnel System Annual Groundwater Monitoring Report for 2018

Report No. 19-19 Tunnel and Reservoir Plan Gloria Alitto Majewski Chicago Underflow Plan Reservoir Water Quality Monitoring Wells Annual Groundwater Monitoring Report for 2018

Report No. 19-18 Tunnel and Reservoir Plan Thornton Transitional Flood Control Reservoir and Wells Annual Groundwater Monitoring Report for 2018

Report No. 19-17 Tunnel and Reservoir Plan Upper Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2018

Report No. 19-16 Tunnel and Reservoir Plan Des Plaines Tunnel System Annual Groundwater Monitoring Report for 2018

Report No. 19-15 Tunnel and Reservoir Plan Mainstream Tunnel System Annual Groundwater Monitoring Report 2018

Report No. 19-14 Thornton Composite Reservoir Groundwater Monitoring Report First Quarter 2019 for 2018

Report No. 19-06 Thornton Composite Reservoir Groundwater Monitoring Report Fourth Quarter/Annual Monitoring 2018