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Welcome to Johnson County Wastewater

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Engineering

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Wastewater Projects

JCW Projects - In Progress

_2009 Sewer Infiltration and Inflow (I&I) - Initial Pilot Study
>Turkey Creek, Mission Main, and Leawood Service Areas


Project Background and Objectives

Sanitary sewer system performance within the Turkey Creek, Mission Main and Leawood Watersheds is impacted by the magnitude of wet weather flows that enter the sewer system. The wet weather flows are due to system defects and illicit connections that result in high rates of rainwater and groundwater entering the sewer system. This is called infiltration and inflow, or I&I. This pilot study is needed to fill a critical gap in the data that exists relative to the system improvements necessary to adequately manage I&I, and in so doing meet both customer service goals and regulatory requirements.

Quick Facts

  • The pilot study has moved into the design phase. For additional information go to Nelson WWTP Complex Pilot Infiltration/Inflow Rehabititation (http://www.jcw.org/eng-i&istudy.htm).
  • The project began in March 2009 and the study phase was completed April 2010.
  • This project involved a series of inspections, including televising of sewer lines and house service laterals, visually inspecting homes and businesses (including internal basement plumbing), manhole inspections, smoke testing, and various other inspections. The project took place in three selected areas suspected of having high I&I.

    Turkey Creek
    (Shawnee - Vicinity of Quivira Road from Johnson Drive to 50th Street)
    677
    		 Buildings   Click to see the general location map for Turkey Creek. Click to see an enlarged map detail for Turkey Creek.
    50,000
    		 Feet of Sewer
    203
    		 Manholes
     
    Mission Main
    (Prairie Village - Vicinity of Roe Avenue from 75th Street to 79th Street)
    288
    		 Buildings   Click to see the general location map for Mission Main. Click to see an enlarged map detail for Mission Main.
    20,000
    		 Feet of Sewer
    111
    		 Manholes
     
    Leawood
    (Lee Boulevard to State Line and 80th to 87th Street)
    327
    		 Buildings   Click to see the general location map for Leawood. Click to see an enlarged map detail for Leawood.
    35,000
    		 Feet of Sewer
    170
    		 Manholes

Watch for Updates! Subject to Change!

 

If you have not received an inspection of your residence or business and wish to participate in the inspection program, please contact the I&I Hotline below to schedule an inspection at a time convenient for you.


Key Contacts


I&I Hotline:
Schedule an inspection by phone or email!
(913) 577-8490
 

Correspondence and Documents

> General Notification Letter (4/3/09) PDF 529 KB
> Kansas City Star / North Kansas City surveys its sewer links (3/14/09) PDF 500 KB


Frequently Asked Questions (FAQ)

1. Who is conducting the study?
2. Who is performing the inspections?
3. Do I have to be at home during the building inspections?
4. Will I be notified if something is wrong with my sewer system?
5. How long will the inspection take?

HDR Archer inspection personnel photo.   TREKK inspection personnel photo.
1. Who is conducting the study?
Answer: Johnson County Wastewater (JCW) is conducting the study.
2. Who is performing the inspections?
Answer: The engineering firms of Black & Veatch/TREKK and CH2M HILL/HDR/Archer are involved in the inspection program. Most of the field work will be performed by TREKK with some participation by HDR/Archer.
3. Do I have to be at home during the building inspections?
Answer: The owner or tenant must be at home during the inspection.
4. Will I be notified if something is wrong with my sewer system?
Answer: The inspector will notify you immediately of any defect or service line blockage observed during the inspection that should be addressed to avoid an imminent sewer backup. You will not be notified immediately of defects that are not imminent in nature. However, prior to the construction/rehabilitation phase of the project you will be notified of any deficiencies within your sewer system and a schedule will be proposed for correcting the deficiencies.
5. How long will the inspection take?
Answer: Typically 30 to 60 minutes.

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JCW Offices - 11811 S. Sunset Drive, Suite 2500 - Olathe, KS 66061-7061 - Phone: 913-715-8500 - Fax: 913-715-8501

- Protecting our environment - Serving our customers - Enhancing our communities -

- Updated 11/03/2010 -