So the word discharge or discharges are frequently used when talking about our water problems. Its important to break down this term for all our Kidz to understand.
What are discharges?
- The definition of discharges is the rate of fluid flow passing a given point at a given moment in time, expressed as volume per unit of time, such as cubic foot per second
or
- In its simplest concept discharge means outflow; therefore, the use of this term is not restricted as to course or location, and it can be applied to describe the flow of water from a pipe or from a drainage basin. If the discharge occurs in some course or channel, it is correct to speak of the discharge of a canal or of a river. It is also correct to speak of the discharge of a canal or stream into a lake, a stream, or an ocean.
So why do discharges occur?There are many explanations to that question. One main reason is due to public safety and concern. Currently we see the discharges from Lake Okeechobee because of the dangers it poses to the dikes surrounding the lake. If the lakes get too high, the levee could break and millions of lives would be in danger of flooding. We saw a similar scenario play out during the 1928 hurricane. The hurricane caused the lake to overfill and the dike to collapse causing severe flooding south of the lake and also to small portion to the north of the lake.
You can see in the picture to the right, the flooded damaged areas.
Fast forwarding to today, this is the reason we see the summer discharges here. These discharges are very important to the residents near the lake.
Now to the bad news, Lake Okeechobee or "The Big O" is known to have lots of potentially harmful and dangerous chemicals in it. This is due to watershed from around the lake and high levels of fertilizers, phosphorus and animal waste (from cattle farms). This all eventually flushes down from both "The Big O" and the Kissimmee Basin. When the discharges occur, billions of gallons of this fresh water that is full of pollutants is flushed both into the St. Lucie and Caloosahatchee River (west coast river). What makes our issues so unique, the Caloosahatchee needs some of this water to keep the salinity level from going too high (of course, without the chemicals). The St. Lucie can NOT afford to take any of the Lake Okeechobee fresh water.
This was said in Jacqui Thurlow-Lippisch blog, the Martin Counties River Kidz organizer.
"Salinity is a delicate and important part of a healthy estuary. Generally short lived fresh water releases during heavy rains by our local canals are bad enough, but long term dumping of Lake Okeechobee releases on top of that, is certain death. It must stop."
Dike: a long wall or embankment built to prevent flooding from the sea.
Salinity: is the saltiness or dissolved salt content of a body of water
Advocate: publicly recommend or support
Filtrated: the action or process of filtering something.("small particles are difficult to remove without filtration")






