Showing posts with label water polution. Show all posts
Showing posts with label water polution. Show all posts

Wednesday, August 25, 2010

Chesapeake Bay

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Chesapeake Bay Center at First Landing State Park, Virginia Beach, VA

The Chesapeake Bay is an awesome body of water with a rich history and wide-spread economic impact. Today, the Bay is said to generate $1 trillion a year into the regional and national economy.

I have been interested in the Chesapeake Bay since I learned runoff from the watershed, which includes Pennsylvania, produces excess sediment and runoff that threatens the bay’s water quality. We don’t often think about how our lawn chemicals, parking lot overflow, fuels, sewage or farm fertilizers affect a large body water. The pollution starts small in local streams and gradually finds its way into the Chesapeake.
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According to the Chesapeake Bay Program, about runoff:

“Changes in chemical conditions, such as the addition of nutrients, can cause rapid increases in the amount of algae. These algal blooms can have serious consequences. They block light from reaching submerged aquatic vegetation (SAV) beds. Even after they die, they can cause problems. Deposition and subsequent decomposition of large masses of plankton in the mainstem of the Bay can deplete dissolved oxygen, suffocating other estuarine animals.”

A lot has been done in the past few years. Cooperation between state and federal agencies set standards and goals to clean up the 64,000 square mile watershed that stretches from New York to Virginia. According to the Chesapeake Bay Program “Bay Barometer” so far progress is slow but steady.


In May 2009, the “ ‘Strategy for Protecting and Restoring the Chesapeake Bay Watershed’ was developed under the executive order issued by President Obama … which declared the Chesapeake Bay a national treasure and ushered in a new era of shared federal leadership, action and accountability.”

From its glacial beginning through the Indian settlements to the landing of the English in 1607 up to today, the Bay’s natural habitats, abundant fish and game, shipping channels and recreational facilities have been vital.

Hopefully, we will watch the heron fly, see the osprey nest, swim and play, eat blue crab, oysters, bass, and watch the dolphins play in the Chesapeake for many years to come.
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Wednesday, February 18, 2009

Rain Garden - Part 2


(Picture Manaaki Whenua - Landcare Research, New Zealand)
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Is it worth the effort to put in a rain garden?

According to Rutgers Research & Extension Fact Sheet, one rain garden in New Jersey receiving run off from 1,000 square feet could treat about 25,000 gallons of water per year. I think that alone makes rain gardens worth considering. If you multiply by any number of rain gardens, it adds up fast.

How difficult is it?

After checking for underground utilities (“PA One Call” dial 811) and figuring the size garden, the rest is manual labor. Detailed instructions are available from Wisconsin Department of Natural Resources/University of Wisconsin Extension.
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If you can convince a few friends to lend a hand, your only costs may be for mulch and plants (and perhaps a few cases of beer). Maintenance includes watering the first year, weeding and adding mulch when necessary. As the garden fills in, the need for weeding should be reduced. Pruning and trimming will take a little time in spring and fall. If all goes well, maintenance should take less time than mowing the area.

All proponents recommend using native plants. Most native plants grow well in the wet/dry conditions of the rain garden. Also an attractive mix of native plants is more likely to be pest and disease resistant. Natives can also provide habitats for beneficial insects, food for birds and butterflies and add biodiversity in the landscape. You can contact your local extension service for a list of natives for your area suited to rain gardens.

Recent rapid growth in the Lehigh Valley has caused basements and roads to flood. I can’t imagine how it is affecting our streams.
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Rain gardens are being installed as a solution around the world. Google "rain gardens parking lots” for an extensive list.

Whether or not you think a rain garden is for you, encourage municipalities to promote rain gardens in new construction to lessen the impact of urban development.
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Saturday, February 14, 2009

Rain Garden


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Several weeks ago I attended a Master Gardener presentation on rain gardens. Rain Gardens seem like a good way to help control stormwater runoff. Stormwater runoff carries with it fertilizers, pesticides, bacteria from pet waste, eroded soil, road salt, grass clippings and litter. The runoff ends up in streams and lakes. A rain garden can be as simple or as complex as you have the energy and resources to invest.

If you want to read a scary story about pollution of the Chesapeake Bay read the US Geological Survey about pollution and what is being done about it.

One of the top three causes for pollution of the bay is water runoff from urban areas.

Rain Garden Network lists the benefits of a rain garden.

“Basically, rain gardens are an inexpensive, simple to implement and environmentally sound solution to urban stormwater runoff. A Rain Garden will:


Filter runoff pollution
Recharge local groundwater
Conserve water
Improve water quality
Protect rivers and streams
Remove standing water in your yard
Reduce mosquito breeding
Increase beneficial insects that eliminate pest insects
Reduce potential of home flooding
Create habitat for birds & butterflies
Survive drought seasons
Reduce garden maintenance
Enhance sidewalk appeal
Increase garden enjoyment”

I’ll continue with more information on rain gardens in my next post.
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