Category: Uncategorized
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National Pollutant Discharge Elimination System 101
National Pollution Discharge Elimination System 101 In my previous article titled “Surface Water Quality Standards 101”, I discussed what Surface Water Quality Standards are and how they are developed. In this article I will discuss how surface water quality standards established by states, territories, and authorized tribes are used to enforce provisions of the Clean…
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Aquifer Water Quality Standards Update
Aquifer Water Quality Standards Update Background The Arizona Department of Environmental Quality was established by the Arizona Environmental Quality Act (EQA) of 1986. The EQA also established the Aquifer Protection Permit Program to protect the State’s aquifers. The definition of “aquifer” as it appears at A.R.S. §49-201.2 “…means a geologic unit that contains sufficient saturated…
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Surface Water Quality Standards
Surface Water Quality Standards The Federal Water Pollution Control Act (aka Clean Water Act of 1972 and subsequent amendments) requires states, territories, and authorized Indian tribes to establish surface water quality standards in order to meet the goals of the Act to “restore and maintain the biological, physical, and chemical integrity of the Nation’s waters”…
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Lead Copper Rule Revisions (LCRR) And Next Steps. What It Means For Public Water Systems
Lead Copper Rule Revision (LCRR) And Next Steps. What It Means For Public Water Systems Background On January 16, 2021, the Environmental Protection Agency (EPA) published the Final Lead Copper Rule Revisions (LCRR) in the Federal Register (86 FR 4198), just days before Joe Biden was sworn in as President of the United States. The…
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Protection of Drinking Water: Backflow Prevention/Cross Connection Control
Protection of Drinking Water: Backflow Prevention/Cross Connection Control Water systems expend a huge amount of effort and resources to treating and distributing safe drinking water to their customers. So, they are particularly sensitive to situations of water flowing from a customer back into the distribution system with the possible introduction of foreign substances or unapproved…