as discussed in class, if on any given day the dallas water district took 50 water samples can conducted the mpn tests. on that day the presumptive water tests at the water purification plant showed the following results: 97% of the water samples tested were free of any coliform bacteria. the remaining 3% of the samples had no more than 1 coliform per sample. what does this mean for you the consumer?



Answer :

According to the EPA Clean Water Act regulations, all of the water that day is safe to drink.

To safeguard the standard of drinking water in the United States, the Safe Drinking Water Act (SDWA) was created. This legislation applies to all waters that are now or conceivably intended for consumption, whether they originate from above-ground or subsurface sources.

The Act mandates that all owners or operators of public water systems adhere to these fundamental (health-related) criteria and gives EPA the authority to set minimum standards to safeguard tap water.

The 1996 modifications to the SDWA mandate that while setting these criteria, EPA takes into account a thorough risk and cost evaluation as well as the finest peer-reviewed science.

The attainment of secondary standards is also encouraged by state governments, which may be authorized to implement these EPA regulations.

In accordance with the Act, EPA also establishes minimum requirements for state programs to safeguard underground water sources from being endangered by fluid injection underground.

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