Friday, April 15, 2011

Rain Rain...Don't Go Away

Living in Florida, it is hard to believe that we are under a water shortage, as it seems that everywhere you look there is a waterway of some sort. However, in order to supply water to more than 90 percent of its booming population, as well as keep its golf courses and residential lawns green, Florida relies on groundwater that is extracted from permeable aquifers underground. Unfortunately the harsh reality is that "Florida's groundwater has been over allocated — not just in South Florida, but all over the state," asserts Cynthia Barnett, author of Mirage: Florida and the Vanishing Water of the Eastern United States. "In addition, we just haven't taken conservation as seriously as other parts of the country," says Barnett, with Floridians pumping groundwater out of our aquifers faster than the state's ample rainfall can refill them. Ultimately, while solutions to quenching the water needs of an increasing human population in Florida are quite difficult, there are simple solutions to meeting the needs of our own front yards, golf courses and the like, which can make a difference. One of these is the rain barrel.

Rain barrels, sometimes referred to as cisterns, are on-site rainwater collection systems by which rainwater can be collected as a valuable resource to irrigate lawns and landscaped areas, while also reducing storm water management costs by easing stress on the public water system and local water supplies. According to the Florida Department of Environmental Protection, for every inch of rain received, about 600 gallons of water can drain from every 1,000-square-foot roof area and into the environment.

In considering irrigation advantages, rainwater is thought to improve the health of your landscaping, lawn and trees, since rainwater is naturally “soft” and devoid of minerals, chlorine and other chemicals found in tap water. However, on the down side, the water pressure will be less than from your outdoor spigot, so a small pump may need to be attached to increase the flow pressure. Furthermore, the general practice is to avoid using the rain barrel water on vegetables and other edible plants, such as herbs for cooking, since roofs may leach pollutants and bacteria that are collected there.

Despite a few shortcomings, another significantly beneficial use of rain barrels is that they may reduce peak volume and velocity of stormwater runoff that reaches our waterways. In most all U.S. communities, rainwater flows over impervious, man-made surfaces such as house roofs and paved roads instead of more natural areas such as forests or grasslands. As a result, when massive Floridian rainstorms dump exponential amounts of water, our sewer systems which carry human and industrial waste become susceptible to overflows and backups creating risks to environmental and human health.

Thus, with growing urbanization in water-scarce areas, including Florida, the increasing water demands for domestic, industrial, commercial, and agricultural purposes exacerbates the situation. While it may seem like a small step, rain barrels can make a huge impact on the environment and our water consumption as a human population at a low personal cost.

-Timothy Nalepka, Legal Intern

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