Map of Proposed Big Hollow Lake
Map of Lake With Fishing Information

DAM CONSTRUCTION.

On a daily basis the Des Moines County Conservation Staff has forwarded photos of the Big Hollow Dam Construction Project.

Below are those photos for your review of the construction process and our progress.

 

Big Hollow & Vision Iowa Sign at Entrance to Park

 

Ground Breaking - December 19, 2007

 

Lake Bed by Dam Area Prior to Work Beginning

 

Lake Bed by Dam Area Prior to Work Beginning

 

Equipment Arriving at Big Hollow for Dam Construction

 

Lake Bottom Just Up From The Dam Location

     

 

North Side of New Lake Looking South Into Lake Bed

 

From New Dam Looking East

 

Lake Bed Looking West Toward Dam Site

 

Track Hoe Moving In To Move Some Dirt!

 

Looking North At The Actual Dam Site - Your On The Dam

 

Lake Bed Looking South West At Dam Site

 

Lot's Of Work Going On!

 

On The New Dam Site Looking South From Center Line

 

 Lake Bed Looking West Toward Dam

 

Bank Armoring - S. Side of Lake Water Line

 

Bank Armoring - S. Side of Lake Water Line

 

Mother Nature At Work

 

Filling in Lime Kiln w/Pea Gravel

 

Lime Kiln Filling w/Pea Gravel

 

North Side of Dam Looking East

 

North Side of Dam Looking East - Again

 

Clearing Brush on East Side of Dam

 

At Dam Looking South

 

Digging the Footing for the Overflow Tube

 

Completed Overflow Tube Footing Waiting for Pour

 
Bottoms South of Beach Area   Beach Area
 
Outlet Pipe - Pour 1 - View 1   Outlet Pipe - Pour 1 View 2
 
Outlet Pipe - Pour 1 - View 3   Outlet Pipe - Pour 1 - View 6
   
Digging Test Hole   Blue Clay found in Test Dig 
   
Outlet Pipe and Access Road   Burning Stumps and Timber 
   
Laying Topsoil For Future Use   Scraping Clay To Put On Access Road 
 
                          View of Dam Site from East 
 
    Beginning of 40 Foot Inlet Pipe
 
Progress in Motion
Inlet Pipe Structure    
Inlet Pipe Continues  
Inlet Pipe Continues   Cement pour for entrance of overflow tube
 
Cement pour of overflow tube continues   Overflow tube from the inside
 
Finished cement pour for overflow tube looking East   Overflow tube exiting out of dam
 
Getting ready to form for last cement pour   top of overflow tube
 
Project at a distance   Starting to look like a lake?
 
Must be a fishing spot!  It's been GPS'd.   Use your imagination
 
Just a different view!   Big Hollow Creek?  Water needs to be diverted.
 
Some Things are 'Looking Up'   Now check it out from the side!
 
Boat Ramp Parking Area   New Beach Area.
 
Plunge Pool Construction   Dam site North side looking South
 
Filling in old stream bed   Filling in old stream bed.  Lots of earth needed.
 
Plunge Pool   Rip Rap for the Plunge Pool
 
South side of Dam looking North   Fishing Jettie
 
Fishing Jettie - Different Angle   Fishing Jetty - Rip Rap for Sunfish and Chips for Crappie!
 
Is that overflow tube getting shorter?   Lots of Earthwork!
 
Creek Water into the Plunge Pool   Makes more sense from this angle!
 
Plunge Pool Filling   Dam building and makes the creek pool on the upside.
 
Where's all that earth coming from?   Building one of the Fish Jetties
 
A Borrow Pit - That's where all the earth came from.   Will this be the deepest part of Big Hollow Lake?
 
Not the Lake!  Just a backed-up creek!   Beach under construction.
 
Parking Lot for when you use the beach.   Beach & Parking Lot
 
Old bridge and fishing jetties. (Good fishing structure?)   Bridge, jetties and beach
 
Canoe Launch   Fishing structure, jetties and high water mark.
   
Boat Ramp Construction   Where Your Wheels Will Hit the Lake Bed! 
   
Erosion Control - Grass Seeding   Grass Seed - Ready to Grow 
     
More Seeding    Borrow Continues 
     
Dam!    Mother Earth - Shake, Rattle & Roll
   
Top of Dam    Earth Work Continues 
   
How Much Higher Do We Need To Go?    Just A Couple More Buckets Full! 
     
Water Is Back In Its Banks    Almost There!
 
Borrow Pit   Borrow Pit
 
Borrow Pit - 60 ft depth   Borrow Pit
 
Borrow Pit   Borrow Pit
 
Top Soil Being Placed on Dam   Looking East From Dam - Lake Filling
 
More Borrow Pit   Lot's of Fill Needed!
 
Topsoil Being Placed On Dam for Seeding   Again!
 
This Will All Be Under The Water   More Borrow Pit
 
Looking Toward Observatory on New Main Entrance Road   Boat Ramp
 
Boat Dock - Waiting for Boats   Will Be the Channel To the Lake
 
Old Bridge - Scrapped!   Old Bridge Abutment
 
Beach Area - Sands Being Placed   10, 500 Ton of Sand
 
Sand Before Being Spread   Spreading the Sand
 
Boat Ramp Parking Lot   Boat Ramp Parking Lot
 
Still More of the Boat Ramp Parking Lot   Another View of Parking Lot
 
First Ice Ever on New Lake   On Dam Looking South
 
On Dam Looking East   On Dam Looking East
 
Borrow Pit Under Water   Looking East From Dam At Borrow Pit
 
On Dam Looking East - Main Body of Lake   On Dam Looking East - Main Body of Lake
 
Snowfall On The Lake   General Photos of Lake With Snow On Ice
 
Plunge Pool Iced Over   North Side Of Dam Looking South With Snow Cover
 
Looking For Ice Fisherman   Same Photo With No Snow
 
Borrow Pits Frozen Over   Lake's Will Be Full At The Rocks
 
Mark & Clar   South Side Of Dam Looking North
 
South Side of Dam Looking North   Overflow
 
Overflow   Erosion Control - Excelsior Matt, Back of Dam
 
Fishing Jetty Looking Toward Dam    
 
     
 
Snake Den Cave - In Channel Going To Lake    
 
     
 
     
 
     
 
     
 
     
 
     
 
     
 
     
 
     
 
     
 
     
 
     
 
     
THESE PICTURES OF OUR CONSTRUCTION
TAKE YOU FROM GROUNDBREAKING THRU
MARCH 09 2009.

I'LL UPDATE AGAIN WHEN I HAVE NEW MATERIAL. 
KEEP WATCHING!

UPDATED 03-12-09


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