Sensing Security— Advances in Water-Quality Monitoring Glenn G. Patterson U.S. Geological Survey
5 Steps to Water System Security Threat Identification and characterization Vulnerability assessment Physical security Water-Quality Monitoring Communication and Response
Components of Monitoring Monitoring plan Sensors –Broad-range –Specific Quality assurance Background levels Communication and response plan
The value of time-relevant data Provide data to decision-makers in time for action Detect accidental or intentional releases Improve efficiency of monitoring programs
Traditional Real-Time Parameters Stage and streamflow Temperature Specific conductance pH Dissolved Oxygen Turbidity
Kansas Water Quality
Steps to Deployment of New Sensing Technology Concept Research and Development ($$) Lab Testing Field Testing Deployment Refinement
The Value of Partnerships DOE Sandia Labs Army Soldier Biological and Chemical Command Defense Threat Reduction Agency Environmental Protection Agency States, Counties, Cities, Utilities
Advances in Europe 71 advanced early-warning monitoring stations Some stations can detect 40+ compounds Active research on interpreting results and determining background levels
PARAMETERS AND CONSTITUENTS MONITORED ON THE RIVER TRENT
Sensors Available Now Broad Range: Whole-water toxicity-- sentinel species Specific: Semi-volatiles Specific: Volatiles
Whole Water Toxicity— Automated Bioassays with Sentinel Species Bacteria Algae Daphnia Clams and mussels Fish
Semi-Volatiles HPLC with Solid-phase extraction
Volatiles GC with in-situ purge and trap
Sensors Under Development DOE--Sandia Labs— Micro-Chemlab on a Chip
Sensors Under Development DOE—Oak Ridge National Lab— Chemical-Biological Mass Spec with direct inlet
Sensor Array Under Development Army Soldier Biological and Chemical Command— Joint Service Agent Water Monitor
Sensors Under Development-- Chemical and Biological agents Attenuated Total Reflectance Fourier Transform IR Spec Molecular Imprinted Polymers Pyrolysis GC Ion Mobility Mass Spec
Sensors Under Development— Biological Agents Real-time Polymerase Chain Reaction Antibody-Antigen Tests Surface-Enhanced Ramon Sensors
Additional Considerations Background concentrations Need for communication and response plan Field Testing
USGS River Monitoring Network Water.usgs.gov/waterwatch