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Wastewater

Phone: 913-715-8500

11811 S. Sunset Drive, Suite 2500, Olathe, Kansas 66061

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Johnson County Wastewater

Johnson County Wastewater’s office is open to the public, but we have modified some of our business practices to mitigate risks associated with COVID-19. Please see Department News (COVID-19 Updates) for the most current information regarding safety measures when visiting our offices, and helpful links and phone numbers to assist you with your Permitting, Grease Management, and Customer Service needs.

wastewater department

Johnson County Wastewater is responsible for the safe collection, transportation, and treatment of wastewater generated by residential, industrial, and commercial customers. Johnson County Wastewater works to eliminate disease-causing bacteria and to protect the environment for human and aquatic life. Johnson County Wastewater's role is to ensure that our streams, rivers and lakes are free from disease-causing bacteria and viruses that are harmful to public health.

Department News

Tomahawk WWTF Expansion Project Update
October 19, 2020

The Tomahawk Creek Wastewater Treatment Facility expansion project is on schedule and on budget. The facility at 10701 Lee Boulevard in Leawood was built in 1955. The facility treats wastewater from the Tomahawk Creek watershed, the Indian Creek watershed downstream of the Douglas L. Smith Middle Basin WWTF (Lower Indian Creek), and the Dykes Branch sub-watershed.  Before construction, the facility treated 7 million gallons per day. That was 40 percent of the wastewater collected from parts of Leawood, Olathe, Overland Park and Prairie Village. The remaining 60 percent was sent to Kansas City, Missouri, for treatment. Once the expansion project is complete, the facility will treat all of the flow that is received. The estimated substantial completion date for the entire project is March 1, 2022.  

A major milestone on the project took place on July 31, when the Peak Flow Pump Station was placed online for wet weather service. This allows McCarthy to take the existing Influent Pump Station offline to begin the major work on this structure.  The Peak Flow Pump Station was the first structure to be completed. The concrete work onsite is nearing completion.  You can see the buildings starting to form and the brick veneer throughout the site.  The contractor is continuing work on the inside of structures focusing on installing pipes, pumps, and other major equipment.  The replacement of the western part of Lee Boulevard is underway in order to raise the entrance to the site to the 500-year flood elevation. The road is closed and is scheduled to open by mid-September 2020. The next contractual milestone is completing the liquids treatment process by October 25, 2021. This will allow Johnson County Wastewater to begin reducing flow sent to Kansas City.  In preparation for this, the team is starting to work on a commissioning and training plan to bring the new facility online.

Since the start of construction, we have been producing educational videos about the Tomahawk Facility so you can see the different steps in the wastewater treatment process.  Be sure to check the website to see how it works (https://www.jcwtomahawk.com/how-it-works).  Check back often as we continue to highlight a new process each month.  As always, you can continue to find useful information, videos, and notifications about the project at www.JCWTomahawk.com.

 

Better flood protection available
May 23, 2019

In the past, some Johnson County homeowners have faced the frustrating challenge of basement flooding during extremely heavy rains. There are several common causes for wet basements. Because Johnson County Wastewater wants to help you better protect your home during these rains, a Backup Prevention Program is available to homeowners. This program is voluntary and provides funding to eligible homeowners so they may install a backup prevention device or make plumbing modifications on their property.

For details about this program and whether you might be eligible, go to Johnson County Wastewater Backup Prevention Program.

JCW introduces Street Restoration Program
May 12, 2021

Homeowners are responsible for the repair/replacement of their private service line from the home’s connection to the point of connection on the public sanitary sewer main. The service line sometimes runs under paved public streets in public street right-of-way. The cost for replacement of a private sanitary sewer service line serving a single family residential property can be substantial and including the cost of public street restoration can make the repair even more costly.

To mitigate public street restoration expense, the Johnson County Board of County Commissioners approved a street restoration reimbursement program in March 2016 which allows reimbursement of up to $5,000 per single family residential property for restoration of the paved public street in the public street right-of-way. The program is administered by Johnson County Wastewater and is subject to the homeowner meeting specific application and qualification requirements. All private service line repairs must meet Johnson County Wastewater inspection standards and all street repairs must meet City permit and inspection standards.

Homeowners would be informed by a plumbing company or by Johnson County Wastewater if the issue is with their private street line and whether or not it will require street restoration and therefore, would qualify for reimbursement.

The reimbursement may be subject to federal or state income tax and participants are advised to consult with their tax advisers.

The program has been funded for a total of $500,000. Applicants must meet the following requirements in order to be eligible for reimbursement consideration:

Eligibility

  1. Property is currently and/or regularly occupied exclusively for single-family residential uses;
  2. The building service line for the property runs under a paved public street;
  3. Confirmation from Johnson County Wastewater that CIPP (Cured-In-Place-Pipe) Lining or Pipe Bursting cannot be utilized;
  4. Reimbursements are calculated by the use of the street cut dimensions provided by a JCW Inspector and they are not based on the owners total cost of their repair.
  5. First come, first served.  Reimbursement is dependent upon funds remaining in the Street Restoration Fund for reimbursement.  Once the reserved fund ($500,000) is depleted, no additional reimbursements will be available.

Once the total allotted funds are exhausted, additional funding for the program will be evaluated by the Board.

Complete information and required documentation is available online

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