Lake Project--Islands, Fish Structures & Cover, Dam 013Dams, drainpipes, and spillways need to be periodically inspected and maintained to prolong the useful life of the impoundment.  During a dam evaluation, the dam is inspected for erosion and/or leaking and overall dam integrity to ensure the dam is in proper working conditions.  If an issue arises that needs professional evaluation, AES has a Certified Professional in Sediment and Erosion Control (CPESE) and a Professional Engineer (PE) on retainer to help with those issues.

Dam do’s and don’ts:

  • Inspect your dam monthly for leaks, erosion damage, or pulled drains.
  • Don’t allow any trees to grow on the dam.  Grass should be the only vegetation on the dam, front and back.  When trees die, their root ball decays, leaving a void in the dam.
  • Minimize beaver and muskrat activity.  They love to burrow into the dam for their dens.  The dens will eventually collapse causing voids in the dam.
  • Maintain a working trash rack on your standpipe (vertical drain pipe). Make sure to keep top of trash rack debris free, especially after heavy rain events.
  • Keep your siphon vent clear of obstructions on your  siphon drainage system.
  • Address any concerns quickly without delay.  Lack of expedient action will result in higher repair costs and could jeopardize the integrity of the dam.
  • If you are unsure of any issue with your dam, call AES.

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