Category: Uncategorized
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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…
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EPA Releases Proposed Lead Copper Rule Improvements In Drinking Water Regulation
EPA Releases Proposed Lead Copper Rule Improvements in Drinking Water Regulation On November 21, 2023, EPA Administrator Michael S. Regan signed the Proposed National Primary Drinking Water Regulation for Lead and Copper: Improvements, which was subsequently published in the Federal Register on December 6, 2023 (88 FR 84878). The proposal builds on previous lead and…