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Osoth Jamjun, Chief of Maintenance & Operations
100 E. Erie Street
Chicago, Il 60611
(312) 751-5101
Osoth.Jamjun@mwrdgc.dst.il.us
The Maintenance and Operations Department consists of four divisions, three
of which are field divisions that relate logistically to the District's
872 square mile service area, and a centralized General Division that
provides administrative support throughout the Department in terms of
financial, budgetary, contract preparation/payment, managerial and investigative
services. While each division has provided a separate narrative highlighting
individual areas of responsibilities, challenges and accomplishments,
M&O, as a Department, is responsible for the following:
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Protecting the water quality of Lake Michigan, which serves as a source of
drinking water throughout the Chicago greater metropolitan area;
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Collection of wastewater discharge from a population equivalent of 10.1 million
people (domestic use and industrial discharge) through a complex network
of intercepting sewers and the Tunnel and Reservoir Plan (TARP);
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Treatment of approximately 530 billion gallons of collected wastewater at
the District's seven water reclamation plants;
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Maintenance and operation of the District's collection/treatment facilities,
which include: seven water reclamation plants, 554 miles of intercepting
sewers with approximately 430 controlled connections, 23 remote pumping
stations, 109.4 miles of TARP with approximately 151 controlled connections,
5 Side Stream Elevated Pool Aeration Stations (SEPA), and 32 retention
reservoirs;
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Removal, processing, beneficial reuse and environmentally safe disposal of
biosolids, which are a byproduct of the water reclamation process;
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Minimize local area flooding and pollution through monitoring and active
control of the water levels in 76 miles of rivers and canals, as well
as the area's 32 retention reservoirs;
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Improvements in the quality of water in the Chicago area waterways through
minimization of pollution load discharged to the waterways, removal
of debris in the water and operation of 5 SEPA stations and two Instream
Aeration Stations which add a significant amount of oxygen to the
water;
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Proactive management of energy costs
through innovation, such as: maximization of off-peak pumping, voluntary
curtailment of electric use during peak periods, collection/use of
methane gas, and use of turbines and micro-turbines to generate electricity
at the Stickney WRP to improve operational efficiency and thereby
increase the District's direct energy credit received from the utility
company.
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