American Water Works Company, Inc. · NYSE:AWK
American Water Works — Investor Presentation (2026)
17 slides from American Water Works's investor presentation, 2026
Slide 1: 2025 Annual Water Quality Report - Granite City
2025 Annual GRANITE CITY PWS ID: IL1195030 1
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
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
Slide 4: Inorganic Contaminants
INORGANIC CONTAMINANTS Highest Range of Substance Collection Violation MCLG MCL Level Levels Likely Source of Contamination (with units) Date Detected Detected Fluoride Erosion of natural deposits; water additive which promotes strong 2025 No 4 4.0 0.7 0.73 – 0.73 (ppm) teeth; discharge from fertili
Slide 5: Per- and Polyfluoroalkyl Substances
PER- AND POLYFLUOROALKYL SUBSTANCES Per- or polyfluoroalkyl substances (PFASs) are synthetic substances used in a variety of products, such as: stain resistant fabric, non-stick coatings, firefighting foam, paints, waxes, and cleaning products. They are also components in some industrial processes l
Slide 6: 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
Slide 7: East St. Louis Plant Information
East St. Louis Plant Information The Granite City Distribution System is supplemented by the East St. Louis water treatment plant. Below is the applicable data. INORGANIC CONTAMINANTS Highest Range of Substance Collection Violation MCLG MCL Level Levels Likely Source of Contamination (with units) Da
Slide 8: East St. Louis Plant Information - PFAS
East St. Louis Plant Information The Granite City Distribution System is supplemented by the East St. Louis water treatment plant. Below is the applicable data. PER- AND POLYFLUOROALKYL SUBSTANCES Per- or polyfluoroalkyl substances (PFASs) are synthetic substances used in a variety of products, such
Slide 9: East St. Louis Plant Information - Unregulated Contaminants
East St. Louis Plant Information The Granite City Distribution System is supplemented by the East St. Louis water treatment plant. Below is the applicable data. Availability of Monitoring Data for Unregulated Contaminants Unregulated contaminants are those for which the EPA has not established drink
Slide 10: 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): picocuries per liter (pCi/L): Measurement of contaminant, which, if exceeded, triggers The level of a contaminant in drinking water the natural rate of
Slide 11: Important Information About Drinking Water
Important Information About Drinking Water Special Health Fluoride Information Illinois American Water adds fluoride to the Granite City water Some people may be more supply as required by state/local law. The U.S. Department of vulnerable to contaminants Health and Human Services recommends a fluor
Slide 12: PFAS
PFAS Per- and polyfluoroalkyl substances (PFAS) are manufactured chemicals used in many household products including nonstick cookware (e.g., Teflon ), stain repellants (e.g., Scotchgard ), and waterproofing (e.g., GORE-TEX ). They are also used in industrial applications such as in firefighting foa
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
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 Illinois American Water, providing safe, reliable water service is our top priority. In January 2022, the steel or plastic. Homes built before 1930 are st
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 visiting the website epa.gov/s
Slide 16: About Your Drinking Water Supply
About Your Drinking Water Supply Where Your Water Comes From Protecting Your Drinking Water Supply Illinois EPA considers all surface water sources of community water Protecting drinking water at its source is an important part of the supply to be susceptible to potential pollution problems, hence,
Slide 17: Every Drop Counts
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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