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Overview
Cleveland's Water Supply
Clearing Up Cloudy Water
Water Substance Contents
Definitions & Charts Legend
Water Quality Assurance
Cryptosporidium Monitoring
Unregulated Substances
Substances In Water
At-Risk Populations
Lead Levels In Homes
Compliance With Drinking Water Regulations
Contact Information
Substances in Water
|
Contaminants |
Type |
Sources |
|
Microbial |
Viruses & bacteria |
Sewage treatment plants, septic systems, agricultural livestock operations & wildlife |
|
Inorganic |
Salts & metals |
Naturally-occurring or from urban storm water runoff, industrial or domestic wastewater discharges, oil & gas production, mining or farming |
|
Organic chemical |
Pesticides & herbicides |
Residential & agricultural use and urban storm water runoff |
|
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|
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|
|
Synthetic & volatile |
By-products of industrial processes & petroleum production, and can also come from gas stations, urban storm water runoff & septic systems |
|
Radioactive |
Natural & man-made deposits |
Mining, gas and oil production or naturally occurring |