Artificial Intelligence (AI)Software that finds patterns, predicts outcomes, or assists decisions.
Per- and Polyfluoroalkyl Substances (PFAS)Persistent chemicals that can drive drinking-water treatment demand.
Environmental Protection Agency (EPA)U.S. federal agency that regulates drinking-water contaminants.
United States Geological Survey (USGS)Federal science agency that studies water, geology, and environmental conditions.
International Energy Agency (IEA)Intergovernmental source for energy, artificial-intelligence, and data-center trends.
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)Technical standards and guidance body for cooling, buildings, and data centers.
International Association of Plumbing and Mechanical Officials (IAPMO)Publisher of plumbing, mechanical, and water-efficiency codes and standards.
Cybersecurity and Infrastructure Security Agency (CISA)Federal agency focused on infrastructure security, including water systems.
National Institute of Standards and Technology (NIST)Federal standards body for measurement, cybersecurity frameworks, and technical guidance.
Water Usage Effectiveness (WUE)Data-center metric comparing site water use with information-technology energy use.
Supervisory Control and Data Acquisition (SCADA)Control and monitoring systems used by utilities, plants, and infrastructure.
Building Management System (BMS)Software and controls for building equipment such as pumps, valves, cooling, and alarms.
Geographic Information System (GIS)Mapping software used for assets, pipes, parcels, valves, and utility networks.
Reverse Osmosis (RO)Membrane filtration that pushes water through a barrier to reduce dissolved contaminants.
Ultraviolet (UV)Light-based disinfection used in some water treatment systems.
Granular Activated Carbon (GAC)Carbon media used to adsorb taste, odor, organic chemicals, and some PFAS compounds.
Maximum Contaminant Level (MCL)Legally enforceable drinking-water limit for a regulated contaminant.
Perfluorooctanoic Acid (PFOA)A specific PFAS compound often discussed in drinking-water regulation.
Perfluorooctanesulfonic Acid (PFOS)Another specific PFAS compound commonly regulated and tested.
Non-Revenue Water (NRW)Water produced but not billed because of leaks, theft, meter errors, or accounting loss.
Water Distribution Network (WDN)The pipe, pump, valve, tank, and meter system that moves water to users.
Environmental Protection Agency Network Model (EPANET)Free hydraulic modeling software used to simulate water distribution systems.
Large Language Model (LLM)Artificial-intelligence model that reads and generates language, useful for reports and assistance.
Retrieval-Augmented Generation (RAG)Artificial-intelligence method that answers using retrieved documents instead of memory alone.
Authority Having Jurisdiction (AHJ)The local official or department that interprets and enforces code for a project.
International Plumbing Code (IPC)Model plumbing code published by the International Code Council.
Uniform Plumbing Code (UPC)Model plumbing code published by IAPMO.
Metropolitan St. Louis Sewer District (MSD)Regional sewer and stormwater authority for much of the St. Louis area.