Conodoguinet Creek Case Study

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How Healthy is the Conodoguinet Creek?
What pollutes the Conodoguinet creek? Is the Conodoguinet creek even polluted? Is there even a way to find out if it is even polluted? To figure this out we identified and counted critters that we found in the creek. We also took some Eutrophication tests. The first test taken was an Critter Count. How do you count critters or macroinvertebrates? Does the velocity of the creek affect the number critters? First we went out to the creek grabbed a sample rock. Then we counted the number of macroinvertebrates on it, such as Water Penny’s, Scud, and Pouch Snails. Some of the macroinvertebrates are crustaceans. Then we documented how many of each critter we found and what group they belong to. As shown in …show more content…
Everyone was given a Phosphate, Nitrate, or a Dissolved Oxygen test. The average amount of Phosphates in the water was 0.1 parts per million, which is really good. The average amount of Nitrate in the Conodoguinet creek was 0.9 parts per million. The average number of Dissolved Oxygen was 9.8 parts per million. The results for the test are shown below.

The numbers in this table indicate that the Conodoguinet creek is doing well. Does Eutrophication effect acidity? How do you take/do an acidity test? I don’t know you would need to ask my science teacher Mr.Bodley or look it up or ask a teacher yourself. The average pH paper was 7.0.
The alkalinity test showed an average of 13.0 parts per million. Then he collected 94 rocks and 65 neutralized the acid and 29 did not neutralize the acid. That is 69.1% being neutralized. The graph below shows these numbers:

From these tests one can see that the Conodoguinet creek has little acid. Do you think that the Conodoguinet creek is polluted? After reading this letter, do you believe the Conodoguinet creek is polluted? Did the large amount of pollution sensitive critters make believe that it was or wasn’t polluted? Or was it the positive reading that were showed in the Eutrophication tests? Was it the Acidity tests that made you believe that it was polluted or wasn’t polluted? Either way the Conodoguinet creek is not

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