US WATER QUALITY

Averages
site 1.
pH 7; DO 7.25 ppm; temperature 19.5 degrees Celsius; turbidity 40 JTU; nitrates 2.5 ppm

site 2.
pH 8; DO 8 ppm; temperature 22 degrees Celsius; turbidity 36 JTU; nitrates 0.583333333 ppm

site 3.
pH 7.857142857; DO 4 ppm; temperature 22.85714286 degrees Celsius; turbidity 200 JTU; nitrates 1 ppm

site 4.
pH 7; DO 8 ppm; temperature 22 degrees Celsius; turbidity 100 JTU; nitrates 2 ppm

site 5.
pH 7.25; DO 3.5 ppm; temperature 20.5 degrees Celsius; turbidity 42.5 JTU; nitrates 2 ppm

SD Bay.
pH 7.176470588; DO 4 ppm; temperature 22.11764706 degrees Celsius; turbidity 40 JTU; nitrates 0.866666667 ppm

Shelter Island.
pH 7.333333333; DO 4 ppm; temperature 20 degrees Celsius; turbidity 40 JTU; nitrates 0.5 ppm




3a.

pH
The sites with the water with the lowest pH were Famosa Slough 1 and 4, both with an average pH of 7.
The site with the water with the highest pH was Famosa Slough 2, with an average pH of 8.
DO
The site with the water with the lowest dissolved oxygen content was Famosa Slough 5, with the DO of 3.5 ppm, while the sites with the highest DO were Famosa Slough 2 and 4, with an average of 8 ppm.
TEMPERATURE
The site with the warmest water was that of Famosa Slough 3, with the average temperature being 22.85714286. The site with the coolest water was from Famosa Slough 1, with the average temperature of 19.5.
TURBIDITY
The water samples with the highest turbidity were from Famosa Slough 3, with levels on average of 200 JTU. The water with the lowest turbidity was from Famosa Slough 2, with the average turbidity level being 36 JTU.
NITRATES
The site with the lowest level of nitrates was Shelter Island, with the average level being 0.5 ppm. The site with the highest nitrate level was Famosa Slough 1, with levels of 2.5 ppm.


3b.

The results attained were not very surprising, as they all seemed to match the descriptions provided for the various areas. For example, site #1 at Famosa Slough was described as being inhabited by birds, which is made possible because the water at the site was of a neutral pH, an ideal level for animal life. Another example of logical results is the high turbidity level of Slough site #3, which was a shallow area of water covering very loose mud, which explains its murkiness. The results of the Bay area testing sites also were quite logical. At shelter island, sea animals were found in the water, which accounts for the near-neutral pH, and low turbidity.

4b.

Famosa Slough has five different sites, all scattered around a large area encompassed by Famosa Boulevard and West Point Loma Boulevard. Site one is closest to a parking lot and furthest from the actual slough. Site two is slightly closer to the slough, but is still quite a distance from it. Site three is right on the edge of the slough. Site four is on an outlet of water leading away from the slough. Site five is the furthest from site 1, and is on a stream leading from the slough, flowing into a channel that leads to the San Diego River Estuary. The further from the slough that the sites were, the lower the turbidity level of the water would become, as site 1 had a turbidity level of 40 JTU while site 3 had a level of 200 JTU. This is probably due to the fact that the water in the slough is constantly flowing, which stirs up the mud underneath, which in turn causes the murkiness of the water to increase. Also, the areas with the most flowing water, sites 3 and 5, had the lowest dissolved oxygen levels. pH was not a very varied component of the water quality testing, as all sites ranged between a neutral, slightly basic pH level of 7 to 8. Temperatures increased as the water sites neared the actual slough, the highest temperature being at site 3.

4c.

The results for the bay samples were very close, their turbidity levels and dissolved oxygen content averages being the same. Shelter Island had a slightly higher pH than the San Diego Bay by a margin of 0.268628, Shelter Island's water having a pH of 7.333333333 and the bay having pH of 7.176470588. The San Diego Bay's average water temperature was higher than that of Shelter Island, the water being 22.11764706 degrees Celsius versus 20 degrees. The Bay's nitrate level was higher as well, measuring up to 0.866666667 ppm as opposed to 0.5 ppm from Shelter Island.

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