1 Louv, 3.
2 www.epa.gov/.
3 https://thewaterproject.org.
4 https://www.bls.gov/.
5 www.epa.gov
6 Ibid.
7 www.epa.gov/laws-regulations n.d.
8 Ibid.
9 Ibid.
10 https://water.usgs.gov/edu/turbidity.html
11 www.epa.gov/laws-regulations n.d.
12 https://www.cdc.gov/healthywater/drinking/public/watertreatment.html
13 http://www.who.int/water_sanitation_health/water-quality
14 Ibid.
15 Montgomery, 18.
16 www.epa.gov/laws-regulations n.d.
17 http://www.who.int/water_sanitation_health/water-quality
18 Ibid.
19 Ibid.
20 www.epa.gov/laws-regulations n.d.
21 www.watertechonline.com/providing-clean-water-to-the-developing-world/
22 Montgomery, 21.
23 http://www.who.int/water_sanitation_health/water-quality
24 Montgomery, 21.
25 Robeson.
26 Robeson.