American Water Works Company, Inc. · NYSE:AWK

American Water Works — Investor Presentation (September 2025)

17 slides from American Water Works's investor presentation, Sep 4, 2025

  1. Slide 1: 2025 Annual Water Quality Report: Kanawha Valley District

    2025 Annual Kanawha Valley District PWS ID: WV3302016 *For former customers of Armstrong PSD & Montgomery Heights, please refer to the respective CCRs on our website for information prior to September 4, 2025. 1

  2. Slide 2: Water Quality Report Summary

    Water Quality Report Summary We are proud to share our annual Water Quality Report – also known as a Consumer Confidence Report or CCR. This report provides important details about your drinking water – like where it comes from and what we detected when we sampled. It also explains the importance of

  3. Slide 3: Water Quality Results

    Water Quality Results Our team of experts conducts extensive sampling on the quality of your water. The tables on the following pages show the substances that were detected. This includes substances with drinking water limits and some that are not currently regulated. Definitions are also provided t

  4. Slide 4: Turbidity and Treatment Byproducts Precursor Removal

    TURBIDITY - Monitored at the Treatment Plant Month of Lowest Monthly % of Substance Year Compliance Highest MCLG MCL Highest Samples Typical Source (with units) Sampled Achieved Value Value ≤ 0.3 NTU Turbidity 2025 Yes NA TT 0.73 February 97% Soil runoff (NTU) Turbidity: Turbidity is a measure of th

  5. Slide 5: Regulated Substances in the Distribution System: Disinfection By-products

    REGULATED SUBSTANCES - Collected in the Distribution System Disinfection By-products Highest Substance Year Compliance Range Detected of Sample Location MCLG MCL Running Annual Typical Source (with units) Sampled Achieved All Samples Average Haloacetic Acids 7944 Kelleys Ck Road By-product of drinki

  6. Slide 6: Disinfection By-products - Continued

    REGULATED SUBSTANCES - Collected in the Distribution System Disinfection By-products - CONTINUED Highest Substance Year Compliance Range Detected of Sample Location MCLG MCL Running Annual Typical Source (with units) Sampled Achieved All Samples Average Haloacetic Acids 250 Frogs Creek Rd, By-produc

  7. Slide 7: Revised Total Coliform Rule

    REVISED TOTAL COLIFORM RULE - At least 120 samples collected each month in the distribution system Substance Compliance Year Sampled MCLG MCL Highest Percentage in a Month Typical Source (with units) Achieved *TT = Less than 5% Total Coliform1 2025 Yes 0 1% in August Naturally present in the environ

  8. Slide 8: Availability of Monitoring Data for Unregulated Contaminants

    Availability of Monitoring Data for Unregulated Contaminants Unregulated contaminants are those for which the EPA has not established drinking water standards. Unregulated contaminant monitoring helps EPA to determine where certain contaminants occur and whether the Agency should consider regulating

  9. Slide 9: Monitoring Data for Unregulated Contaminants – continued

    Monitoring Data for Unregulated Contaminants – continued UNREGULATED CONTAMINANT MONITORING - Collected at the Treatment Plant Substance Year U.S. EPA MCL Average Range Typical Source (with units) Sampled (effective 2029) Perfluorobutanoic acid (PFBA) (ppt) 2023 NA ND ND to ND Perfluorodecanoic acid

  10. Slide 10: Tested for, but Not Detected

    Tested for, but Not Detected • 1,1,1-Trichloroethane • Arochlor-1232 • Dalapon • Methyl tert-Butyl ether (MTBE) • 1,1,2-Trichloroethane • Arochlor-1242 • Di(2-ethylhexyl)adipate Methylene chloride • 1,1-Dichloroethene • Arochlor-1248 • Di(2-ethylhexyl)phthalate • Molybdenum – Total • 1,2,4-Trichloro

  11. Slide 11: Definition of Terms

    These are terms that may Definition of Terms appear in your report. Action Level (AL): The concentration of a Maximum Contaminant Level Goal (MCLG): parts per trillion (ppt): One part substance contaminant, which, if exceeded, triggers The level of a contaminant in drinking water per trillion parts

  12. Slide 12: Important Information About Drinking Water

    Important Information About Drinking Water Special Health Chlorine Disinfection PFAS Information Chlorine is used to destroy disease-causing organisms in water, Per- and polyfluoroalkyl substances (PFAS) are Some people may be more an essential step in delivering safe drinking water and manufactured

  13. Slide 13: About Lead

    The most common source of lead in tap water is from About Lead the customer’s plumbing and their service line. The utility-owned water mains are not made of lead; however, the water service line that carries the water from the water main in the street to your home could be. Homeowners’ service lines

  14. Slide 14: Determining Your Service Line Material

    Determining Your Service Line Material Homeowners’ service lines are most Your Service Line Material commonly made of lead, copper, galvanized At West Virginia American Water, providing safe, reliable water service is our top priority. The Lead and steel or plastic. Homes built before 1930 are Coppe

  15. Slide 15: What are the Sources of Contaminants?

    What are the Sources of Contaminants? To protect public health, the Environmental Environmental Protection Agency by calling the Protection Agency prescribes regulations which Safe Drinking Water Hotline (800-426-4791) or limit the amount of certain contaminants in tap by emailing safewater@epa.gov.

  16. Slide 16: About Your Drinking Water Supply

    About Your Drinking Water Supply Where Your Water Comes From To ensure safe drinking water, all public water systems treat and West Virginia American Water and its customers in the routinely test their water. The 2002 analysis of the water sources was Kanawha Valley system are fortunate because we e

  17. Slide 17: Every Drop Counts: Six Simple Steps to Save Water

    Every Drop Counts Six Simple Steps to Save Water Fix any leaking faucets. One drop every 2 seconds from a leaky faucet wastes 2 gallons of water every day. That’s water — and money — down the drain. Don’t let faucets run when brushing, shaving, or washing the dishes. Just turning off the water while

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