• Save
#6 - Comp Plan - Surface Water
Upcoming SlideShare
Loading in...5
×
 

#6 - Comp Plan - Surface Water

on

  • 380 views

 

Statistics

Views

Total Views
380
Views on SlideShare
367
Embed Views
13

Actions

Likes
0
Downloads
0
Comments
0

2 Embeds 13

http://www.cooncreekwd.org 12
http://cooncreekwd.org 1

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

#6 - Comp Plan - Surface Water #6 - Comp Plan - Surface Water Presentation Transcript

  • Surface Water
  • Review Of Current Chapter
    • Reviews hydrologic budget information
    • Relies on 1999 Montgomery-Watson Hydrologic Study
    • Focus is on
      • Stream Flow
      • Flow Variation
      • 100 year Elevations
  • TREND ANALYSIS
    • 1985: In general, rainfall of less than 1 inch does not produce significant runoff in the watershed. (USGS 1985)
    • 1999: The fate of rainfall of 1 inch needs to be managed either through infiltration or rate control (Montgomery Watson 1999)
    • 2009: Water levels increase substantially per inch of rainfall (ACD 2009)
  • Coon Creek at Coon Rapids Bld 1999
  • Coon Creek at Coon Rapids Bld 2009
  • Coon Hollow 2009
  • Implications
    • Lower portion of the watershed (Coon Rapids) remains flashy
    • Lower portion of the watershed exhibits “initial localized independence” from the remainder of the watershed
  • Expectations
    • Increased TSS & Turbidity problems in lower watershed
    • Increased bank erosion in lower watershed
  • Questions? Thank You Coon Creek Watershed District