RCAP's A Drop of Knowledge: Recent Article Roundup #2

A Drop of Knowledge is a monthly digital article from Rural Community Assistance Partnership (RCAP.) The articles focus on topics like wastewater, drinking water, policy, and infrastructure in rural America. It contains how-to’s, tips, and guidance from more than 300 technical assistance providers (TAPs) across the country. Some recent featured articles are linked below:

• Effective Communication with the Community | RCAP
• System Vulnerability Assessments and Emergency Response Plans | RCAP
• Staff in Nebraska is Helping to Build a Sustainable, Resilient Utility Workforce | RCAP
• Administrative Professionals and Their Continuous Contributions to Water and Wastewater Systems | RCAP
• Assessing Your Collection System with a Pipeline Camera System  | RCAP
• Removing Arsenic from A Tribal School's Water System | RCAP

Looking for something else? Find more articles and subscribe to A Drop of Knowledge.

RCAP's A Drop of Knowledge: Recent Article Roundup #1

A Drop of Knowledge is a monthly digital article from Rural Community Assistance Partnership (RCAP.) The articles focus on topics like wastewater, drinking water, policy, and infrastructure in rural America. It contains how-to’s, tips, and guidance from more than 300 technical assistance providers (TAPs) across the country. Some recent featured articles are linked below:

• Flushable Wipes Causing Pump Clogs? Pump Flow Tests Can Alert Operators Faster
• A Look Inside RCAP’s Fly-In: Meeting With the Team Behind the Fly-In
• “To Pump, or Not to Pump, that is the question…”
• Changing Temperatures Can Set Back Wastewater Lagoons
• How to Determine the True Cost of a System When Conducting a Rate Study
• Getting the Lead Out - Lead and Copper Compliance in New Jersey

Looking for something else? Find more articles and subscribe to A Drop of Knowledge.

What's New in our Document Library: Fall 2018

Every day, staff members at WaterOperator.org search the internet to find events, resources and tools that have the potential to make a water operator's job easier and more effective. Here is a selection of our most recently-entered resources of interest to small system operators. 

Have we missed anything especially helpful recently? Let us know! 

Biosolids

• Comparison of Options for Biosolids Dewatering (slide presentation, ORWEF) 

Cyanobacteria/Harmful Algal Blooms

• Cyanobacteria and Public Water Systems (guidance manual, MassDEP)

Emergency Response

• Santa Rosa: Response and Recovery from 2017 Fires (slide presentation, ACWA)
• Disaster Management for Water Utilities - What is Your Emergency Response Plan (slide presentation, Iowa Rural Water Association)
• Guidance for Building Field Capabilities to Respond to Drinking Water Contamination (guidance manual, US EPA)

Financial Management

• Water Cost of Production (spreadsheet, Iowa Rural Water Association)

Inflow/Infiltration

• Newberg Inflow and Infiltration Study (slide presentation, ORWEF)

Non-community Systems

• Small Water System Management Program Guide for Noncommunity Systems: An Operations and Management Tool for Owners of Nonresidential Water Systems (manual, WDOH)

Safety

• Safety Issues in the Treatment Plant (slide presentation, NAWT)

Sampling/Monitoring

• How to Develop a Sample Siting Plan (video, Alaska DEC)

Test-Prep Resources

• Water Treatment and Distribution Operator Math Reference Sheet (factsheet, AWWA)
• Water Treatment and Distribution Operator Chemistry Reference Sheet (factsheet, AWWA)

Wastewater

• Current Trends in Digester Mixing Technologies (slide presentation, ORWEF)
• Handling Flushable Wipes in Wastewater (slide presentation, RUSA/UCC/PNCWA)

Water Security

• Enhanced Security Monitoring (video, USEPA)
• Wastewater Systems Security Vulnerability Assessment & Emergency Response Template (form/template, Minnesota Rural Wastewater)

Top 2017 Resources from WaterOperator.org's Bi-Weekly Newsletter

2017 was a great year for the WaterOperator.org newsletter team. We not only reached our 200th edition milestone this past fall, but we also were successful in connecting a significant number of water professionals with useful and relevant resources, resources that could be used on-the-spot to solve pressing issues, or help guide utility best practices, or help water decision-makers plan ahead for their communities. 

While many of the events, articles and resources featured in our newsletters garnered interest, here is a list of our most clicked-on resources of 2017.

• A Water Security Handbook: Planning for and Responding to Drinking Water Contamination Threats and Incidents, US EPA This document provides guidelines for utilities to plan for possible contamination incidents, including sampling, public health procedures, and recovery.
• At the Confluence of Nutrients, Pharmaceuticals and Sustainability: Emerging Issues in Wastewater Management, University of Michigan/Central States Water Environment Association  This presentation discusses the effects of emerging contaminants on wastewater treatment and possible solutions.
• Sampling Guidance for Unknown Contaminants in Drinking Water, US EPA This document provides new guidance to first responders and drinking water utility operators on the collection, storage, and testing of potentially contaminated drinking water when the contaminant is unknown.
• Water Conservation Techniques For Small and Medium Water Systems, Florida Rural Water Association This paper provides thorough descriptions of water conservation measures that have been demonstrated to be effective for small water systems.
  
• The State of Public Water in the United States, Food & Water Watch A compilation of water rates of the 500 largest community water systems in the country (the largest water rate survey of its kind in the country). 
• Emergency Disinfection of Small Water Systems, Washington State Department of Health  Emergency, stop-gap measures to get water quickly to the public in a crisis situation. 

Did you use one these resources at your utility this year? If so, we'd love to hear from you! Do you have a favorite "go-to" resource to share? Again, we'd love to know! Our email is info@wateropertor.org , or connect with us on Facebook or Twitter. 

Operator Math Part 1: Practical Guidelines

Mathematical calculations can be a challenge for even for the most veteran of water and wastewater operators. The formulas for volume, chemical dosage, filtration, pipe velocity, and other daily problems vary of course, but there are a few underlying guidelines that can help you make sure your answer is correct regardless of the calculation you’re working on. 

This is the first in a three-part series dedicated to operator math. The tips below are adapted from information provided by the South Dakota Department of Environmental and Natural Resources.

1. Learn what a formula means, not just when it is used. This will help you remember when to use πR2H to calculate the volume of a cylinder instead of 2πRH—the formula for measuring the surface area of a cylinder’s sides.
2. Use unit labels throughout your calculation to help you easily see whether you need to multiply or divide.
3. Always convert percentages to decimals.
4. Convert “inches” to “feet” unless you’re trying to solve a pressure problem. Using “inches” in any other problem will almost always leave you with the wrong answer.
5. Make sure the units you end with match the problem you are trying to solve. If a volume calculation results in a “square feet” or “square yards” answer, something went wrong along the way.
6. Trust your suspicions. If the answer doesn’t seem right, check that you used the right formula and units before running the problem again.

For those looking for more detailed and specific instruction, our documents database is a great place to start. Here are some of the resources you’ll find if you search “math.”

Basic Math Handbook

This 24-page handbook is a basic math study tool. It provides formulas for basic geometry, velocity & flow rates, and pressure, force & head, and contains several typical water problems that show users how to apply the formulas in real-world scenarios. 

Formula and Conversion Sheet for Drinking Water Treatment and Distribution

This 1 page document provides conversions and formulas for water treatment & distribution operators in studying for a certification exam. 

Chlorine Contact Time Calculations

This 7-page document provides guidelines on how to solve math problems that deal with calculating chlorine contact time. It includes important equations and practice problems with solutions. 

Industrial Math Formulas

This 7-page document provides a list of valuable formulas and conversion factors important for wastewater operators. 

Intermediate Water Math

This 37-page study guide contains 82 intermediate water math questions. Solutions to the problems are provided at the end of the document. 

Advanced Wastewater Math

This 29-page study guide contains 35 advanced wastewater math questions. Solutions to the problems are provided at the end of the document.