Water Quality And Contamination

Topics: Bottled water, Drinking water, Water pollution Pages: 6 (1206 words) Published: May 27, 2015


Water Quality and Contamination
Tamekia Roberts
SCI 207: Dependence of man on the Environment
Instructor: Michelle Kozlowski
November 24, 2014

Introduction
Background-
The ever-increasing popularity of bottled water means that it is important to analyze not only its mineral content but also, above all, it’s content of possible contaminants, especially the organic ones. In this respect, bottled waters are a special case, because apart from organic chemical contaminants derived from the well from which they were acquired, their secondary contamination is always possible, during treatment or storage or transport in unsuitable conditions (sunlight and elevated temperature). There are a number of federal statutes passed by Congress and signed into law by the President that are central to the Office of Water’s mission. In addition, Presidential Executive Orders (EOs) play a central role in a number of Office of Water activities. EOs is legally binding orders that direct EPA and other federal agencies in their execution of congressionally established laws and policies. One of the common quality parameters for drinking water is residual aluminum. High doses of residual aluminum in drinking water or water used in the food industry have been proved to be at least a minor health risk or even to increase the risk of more serious health effects, and cause economic losses to the water treatment plant.

Objective-
The bottled water industry has become a billion dollar industry within the USA and other countries. People and I are paying for bottled water that has the same or more chemical contaminants as our tap water. This experiment allowed me to test and see for myself just how true this really is/was.

Hypotheses-
Hypothesis = I believe that the Fiji water will have the least contaminants, being that it’s the most expensive. I think that tap water will have the most contaminants, because it has not been through the same process as the Fiji water.

Materials and Methods-
The necessary materials needed for this experiment where; 250ml beakers, 100ml beakers, tap water, Dasani water, and Fiji water. Specific test strips in the names of Ammonia, Chloride, Phosphate, Total Iron, and a 4 in 1 test strips which tests ph, total chlorine, total alkalinity, total hardness. I also had a test strip key to know what and how many mg/L of contaminants in the water. Before I could begin the experiment I first labeled each of the 250ml and 100ml beakers with the three waters to be tested (i.e. Dasani, Fiji, and tap water). My second step was to pour 100ml from the 250ml beaker into the same name 100ml beaker. After completing my second step it was then time to start testing the waters. The first test I gave was on how much ammonia was in the waters, I did so by using the ammonia test strips. After getting the results I recorded them on the table. The next test I did was the Chloride test, using the Chloride test strips to test all three waters. I recorded the results on the table. I then ran the 4 in 1 Test on the water with the 4 in 1 test strips, recorded results on table. I ran the Phosphate test next using the phosphate test strips. When I finished the phosphate test I put the results in the table as well. The last test that I did on the waters was the iron test, and recorded the data on the data reporting table with the other water test results. Tables-

Table 2: Ammonia Test Results
Water Sample
Test Results
Tap Water
0 mg/L
Dasani® Bottled Water
0 mg/L
Fiji® Bottled Water
0 mg/L

Table 3: Chloride Test Results
Water Sample
Test Results
Tap Water
0 mg/L
Dasani® Bottled Water
0 mg/L
Fiji® Bottled Water
0 mg/L

Table 4: 4 in 1 Test Results
Water Sample
pH
Total Alkalinity
Total Chlorine
Total Hardness
Tap Water
5
80 mg/L
0 mg/L
50 mg/L
Dasani® Bottled Water
1
80 mg/L
0 mg/L
50 mg/L
Fiji® Bottled Water
6
80 mg/L
4.0 mg/L...


References: Diduch, M., Polkowska, Ż., & Namieśnik, J. (2013). Factors affecting the quality of bottled water. Journal Of Exposure Science & Environmental Epidemiology, 23(2), 111-119. doi:10.1038/jes.2012.101
Tomperi, J., Juuso, E., Eteläniemi, M., & Leiviskä, K. (2014). Drinking water quality monitoring using trend analysis. Journal Of Water & Health, 12(2), 230-241. doi:10.2166/wh.2013.075
Bottcher, A., & Rex, A. (2012). Environmental science student manual. Sheridan, CO: eScience Labs
Turk, J., & Bensel, T. (2014). Contemporary environmental issues (2nd ed.). San Diego, CA: Bridgepoint Education, Inc.
United States Environmental Protection Agency (2014)
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