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Stormwater Management

Stormwater drainage The City of Johnston is an MS4 City, which translates to:  Municipal Separate Storm Sewer System.  The City is responsible for compliance with the MS4 permit,which is issued by the Iowa Department of Natural Resources and renewed every 5 years.  There are over 40 MS4 cities and two state universities in Iowa.

The IDNR issues separate stormwater management permits to qualifying industrial and construction activities.

The MS4 permit is divided into six categories:

  1.  Public Education and Outreach
  2. Public Involvement and Participation
  3. Illicit Discharge Detection and Elimination
  4. Construction Site Storm Water Runoff Control
  5. Post-Construction Storm Water management
  6. Pollution Prevention and Good Housekeeping

The City of Johnston is a member of the Iowa Storm Water Education Partnership.  For additional information on stormwater management, click here (this link will take you to a different website).

 

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Community Development News

Council to Consider Final Reading of Rezone

October 02, 2008 (Community Development)

The Final Reading of the Crosshaven rezone proposal is on the October 6th Council agenda.

Neighborhood Improvement Grants Available

August 05, 2008 (Community Development)

Funding for Neighborhood Improvement Grants are available. The next deadline for grant…

Watershed Assessment Study and Stormwater Management Plan Begins in Johnston

July 01, 2008 (Community Development)

To maintain compliance with an MS4 permit, the City must complete a Watershed Assessment and…

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