Operators: Take the CEU Challenge!

Members of the Florida Water and Pollution Control Operators Association (FWPCOA) may earn continuing education units through the CEU Challenge! Answer the questions published on this page, based on the technical articles in this month’s issue. Circle the letter of each correct answer. There is only one correct answer to each question! Answer 80 percent of the questions on any article correctly to earn 0.1 CEU for your license. Retests are available. This month’s editorial theme is Conservation and Reuse. Look above each set of questions to see if it is for water operators (DW), distribution system operators (DS), or wastewater operators (WW). Mail the completed page (or a photocopy) to: Florida Environmental Professionals Training, P.O. Box 33119, Palm Beach Gardens, Fla. 33420-3119. Enclose $15 for each set of questions you choose to answer (make checks payable to FWPCOA). You MUST be an FWPCOA member before you can submit your answers!

EARN CEUS BY ANSWERING QUESTIONS FROM PREVIOUS JOURNAL ISSUES! Contact FWPCOA at membership@fwpcoa.org or at 561-840-0340. Articles from past issues can be viewed on the Journal website, www.fwrj.com.

Potable Water Reuse in Florida: How One Small Utility is Making it Happen

Carlyn Higgins and Andre Dieffenthaller (Article 1: CEU = 0.1 DW/DS/WW02015416) a. Membrane filtration b. Reverse osmosis c. Ultraviolet/advanced oxidation processes d. Storage with chlorination

1. Of the treatment processes piloted, which was assumed to be the most effective in reducing viruses?

2. The pilot- and full-scale potable reuse facilities are designed to treat reclaimed water to meet all regulated chemical and pathogen drinking water standards except a. total dissolved solids. b. chloride. c. color. d. there are no exceptions.

3. The city must seek alternative drinking water sources because a. current water withdrawals are unsustainable. b. contamination has been detected in the existing source water. c. the existing treatment facility cannot treat to emerging standards. d. the current supply is within a designated Water Use Caution Area. a. filtration b. ozone treatment c. natural buffer d. detention time

4. Direct potable reuse eliminates the _____________ associated with indirect potable reuse.

5. Flow was applied to the selected treatment processes a. in series. b. in parallel. c. separately, then in sequence. d. in a split format, allowing differing treatment combinations to be evaluated.

Perfluoroalkyl and Polyfluoroalkyl Substances: A New Incentive for Potable Reuse?

Viraj DeSilva and Justas Rutkauskas (Article 2: CEU = 0.1 DW/DS/WW02015417)

1. Drinking water regulations on perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) are expected to be finalized a. in April 2023. b. in October 2024. c. by December 2024. d. by December 2025.

2. The Florida potable reuse requirement for total suspended solids is a maximum concentration of 5 milligrams per liter a. for any one sample. b. as a monthly average. c. as a weekly maximum. d. in 75 percent of samples taken over a 30-day period. a. granular activated carbon (GAC) filtration b. ultrafiltration c. ozonation d. chlorination

3. A year-long pureALTA study revealed that _________ contributed to the largest removal percentage of various per- and polyfluoroalkyl substances (PFAS) constituents.

4. The first direct potable reuse facility in the United States serves a. Altamonte Springs, Fla. b. Big Spring, Texas. c. San Diego, Calif. d. Plant City, Fla.

5. The controlling factor in the pureALTA pilot GAC bed change-out was the Florida indirect potable reuse limitation for a. total organic carbon. b. total suspended solids. c. disinfection byproducts. d. fecal coliform.

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Preparing Water Conservation Plans for Florida’s Public Water Supply Utilities: Water Management District Guidance

Josh Madden, Cassidy Hampton, Deirdre Irwin, Gretchen Smith, James Harmon, and Rosines Colon (Article 3: CEU = 0.1 DW/DS02015418) a. Consumptive use permit application is the utility’s first. b. Withdrawal is located near an impacted water resource. c. Utility has experienced an increasing per capita water use trend. d. Utility is seeking a large increase in water supply allocation.

1. Which of the following is not listed as a reason why a utility might require a particularly robust water conservation plan?

2. Florida Water StarSM is a a. sample plumbing code. b. water conservation certification program for new buildings. c. section of the water management district’s water use allocation regulations. d. program for sustaining water distribution system water quality.

3. Between 1999 and 2016, nationwide per capita water consumption a. declined to 69.3 gallons per day. b. increased to 69.3 gallons per day. c. did not change. d. declined to 58.6 gallons per day. a. vertically integrated b. progressive c. regressive d. increasing block a. three b. four c. five d. six

4. Water rate structures in which the price per unit increases with increasing consumption is known as a(n) ______________ rate system.

5. With respect to consumptive use permitting, Florida is divided into ____ regulatory regions.