Did you know that Hernando County has a Fertilizer Ordinance? This is an attempt to mitigate the amount of nitrates entering our water ways. The Weeki Wachee River exceeds its Total Maximum Daily Load (TMDL) of nitrates. This means it takes in more nitrates than it can process and dispose of. This results in excessive algae growth. Too much algae can lead to a lack of photosynthesis for the underwater plants. As these plants die, they absorb oxygen, creating a lower count of dissolved oxygen in the water and potentially leading to fish-kill.