Related Experiment Video
Updated: Aug 11, 2026
10:48
EPA Method 1615. Measurement of Enterovirus and Norovirus Occurrence in Water by Culture and RT-qPCR. I. Collection of Virus Samples
Published on: March 28, 2015
Drinking water in Michigan: source, quality, and contaminants
1Department of Health & Wellness Promotion, 1151 Taylor Street, Detroit, Michigan 48202, USA. nathanv@health.ci.detroit.mi.us
Journal of Water and Health
|February 24, 2006
Summary
Michigan
Area of Science:
- Environmental Science
- Public Health
- Water Quality Management
Background:
- The Michigan Safe Drinking Water Act (Act 399) of 1976 grants the Michigan Department of Environmental Quality (DEQ) authority over state drinking water.
- Private water wells present significant challenges for users and regulators due to potential undetected contaminants like pesticides and metals.
- Public water systems face issues with lead contamination, often originating from internal piping infrastructure.
Purpose of the Study:
- To summarize the regulatory landscape of drinking water in Michigan.
- To highlight the challenges associated with private water well contamination.
- To identify sources of lead contamination in public drinking water systems.
Main Methods:
- Review of the Michigan Safe Drinking Water Act (Act 399).
- Analysis of common contaminants affecting private water wells.
- Investigation of lead contamination pathways in public water systems.
Main Results:
- Private wells lack regular inspections, increasing risks from contaminants.
- Lead is a significant contaminant in public drinking water.
- Piping infrastructure, including service lines, internal pipes, and solder, are key sources of lead contamination.
Conclusions:
- The DEQ oversees drinking water quality in Michigan, with local health departments managing non-community programs.
- Private well users face risks from undetected contaminants due to infrequent inspections.
- Addressing lead contamination requires examining the entire distribution system, from service lines to household plumbing.
Related Concept Videos
01:19Quality of Water
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
01:29Sources of Food Contamination
Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
01:14Testing Water Quality
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
01:17Precipitation and Co-precipitation
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
01:30Microbial Wastewater Treatment
Microbial communities in aquatic ecosystems play a key role in the natural breakdown of contaminants introduced through domestic and industrial effluents. Acting as biological catalysts, these microbes change and mineralize a wide range of organic and inorganic pollutants under different redox conditions.In oxygen-rich surface waters, aerobic heterotrophs lead organic matter breakdown, using oxygen as the terminal electron acceptor to efficiently oxidize substrates to carbon dioxide and water.
01:25Microbes in Beverage Production
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...