by Mark Ogrentz | Dec 8, 2023
Short chemistry reference sheet for water/wastewater operators, including formulas and densities of commonly encountered substances. LINKS Water Treatment and Distribution Operator Chemistry Reference Sheet
by Mark Ogrentz | Dec 8, 2023
Commonly used formulas and conversions for water/wastewater operators. LINKS Water Treatment and Distribution Operator Math Reference Sheet
by Mark Ogrentz | Dec 8, 2023
Use this guide and worksheet from EPA to explore your local wetland with students. The learning emphasis is on survey skills and understanding of wetland ecology and human interactions. LINKS Wetland Walk Manual & Worksheet
by Mark Ogrentz | Dec 8, 2023
Water management and treatment are as old as civilization itself. Ancient communities recognized the need for clean water and adequate water supplies. This short reading lesson describes how Ancient Rome treated water. LINKS Water Treatment in Ancient...
by Mark Ogrentz | Dec 8, 2023
Chemistry plays a vital role in clean, safe drinking water. This short reading lesson describes how the chemical process of softening hard water began. LINKS The History of Water Treatment Science
