Clean Water Act 401 Certification
Section 401 of the Clean Water Act (CWA) empowers states and tribes to protect water quality by certifying that federally permitted discharges will meet applicable…
Untapping NYC’s Tap Water: Why Is It the Best in the U.S.?
Every New Yorker has heard the phrase: “there is something in the water.” This mystical quality, the theory goes, is the secret ingredient behind the…
NSF/ANSI 50-2025: Equipment and Chemicals for Swimming Pools
Pools are as inextricably linked with summer as the beach, barbecues, vacation, and the hot sun. NSF/ANSI/CAN 50-2025, both an American National Standard and a…
NSF P524-2023: Water Quality Testing for Drinking Water
Every day we drink water, but how is the quality of drinking water determined? Water quality testing devices (WQTDs) include, for example, portable kits, digital pH…
ANSI/AAMI ST108:2023— Water for Processing Medical Devices
Healthcare facilities decontaminate and sterilize reusable medical devices numerous times prior to use. The reprocessing of medical devices includes several processes, and water quality plays…
ANSI/ASCE/EWRI 33-2023: Water Quality Management Agreement
Water covers 71% of the earth. Life simply cannot exist without water. If there is one thing that matters more than the availability of water, however,…
NSF/ANSI 58-2022: Reverse Osmosis for Drinking Water
1 in 3 people around the world do not have access to safely managed drinking water, free from contamination and available when needed. One way…
Protecting Private Drinking Water Wells: A Brief Guide
In the United States, water wells are regulated by state law rather than federal law. This means that each state has its own set of…
NSF/ANSI Drinking Water Treatment Standards
Water is, of course, the liquid molecule that we need to sustain life. Any kind of contaminant in water can be detrimental to granting this…