
ANSWER: Water from a household faucet
The tiny bubbles in the close-up photo are caused by an aerator on the faucet.
About 80 percent of Nebraska’s population consumes drinking water obtained from groundwater sources.
The quality of public water supplies is regulated by federal and state statutes and water is tested for more than 100 different contaminants. Private water supplies are not regulated by federal or state statutes, but may be regulated at the local level. In most cases, management and testing of private wells is voluntary. The owner needs to decide when to test the well and which specific contaminants need to be tested for.
Resources:
- UNL Water Web site
- University of Nebraska-Lincoln Extension has many publications related to Water Management
- Nebline newsletter feature "Groundwater: a Vital Nebraska Resource"
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