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Lawn Fertilization & Weed Control

  • Norman Fertilizer Ordinance

    • Norman Fertilizer Ordinance

      The City of Norman has recently identified Lake Thunderbird as having impaired water quality due to increased algae production caused by excess phosphorus in the lake.  Phosphorus is found in a lot of traditional fertilizers and can be carried by storm runoff into our water bodies that we use as drinking water.  To help protect our local waterways, the City of Norman has adopted an ordinance regulating the use of manufactured fertilizers.

      Lawn Care companies now have to register with the City of Norman if they use phosphorus fertilizers and the city will limit the use of phosphorus fertilizers.


      How does this effect you as an Irish Green Customer?

      As many of you know, this year we have upgraded our program to be a more environmentally friendly alternative to traditional weed control programs. We want to provide you with the safest lawn care possible for your pets, children, and our local water ways. One way we accomplish that is we DO NOT use phosphorus containing fertilizers. 

      You can rest easy knowing that your Irish Green lawn is safe for Lake Thunderbird and all other local waterways.

      To read the full ordinance:


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