CaBA Lancaster 01 June Jones Environment Agency

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The National Water Quality Instrumentation Service (NWQIS) provides water quality monitoring equipment like handheld meters and sensor sondes to area teams, government partners, and external organizations to assist with investigations under the Water Framework Directive, general water quality monitoring, incident response, and research. The NWQIS uses equipment like the Pro Plus handheld meter and Environmental Sensor Network to measure various water quality parameters and can interface with devices like autosamplers and kiosks to display real-time data online. Working with partners like colleges and volunteers allows the NWQIS to cover larger areas and gain additional insights from monitoring programs.

Environment

National Water Quality Instrumentation Service
•Who are we?
•What service do we offer?

National Water Quality Instrumentation Service
•Previously a regional team
•New national team created in 2011, sits within the
National Laboratory Service
•Provide hand held meters and mutli-sensor
sondes to area teams, DEFRA partners and
external organisations
•Equipment used in WFD investigations, water
quality monitoring, incident response and
research

National Water Quality Instrumentation Service
Hand Held meters
Pro Plus Meter
• Specific
Conductivity/Salinity
•Temperature
•pH
•Dissolved Oxygen
•Ammonium(on
request)

• Rugged IP67 PELI enclosure
• Twin batteries with quick release
• Lightweight
• Shockproof
• Multiple connectors for sensors
• External Power Options
• Simple User Operation
• GPRS real time comms
Environmental Sensor Network - ESNET

Using the ESNET a wide range of parameters can be measured:
• Flow
• Temperature
• Ammonium
• Conductivity
• Dissolved Oxygen
• PH
• Turbidity
• Chlorophyll
And interface to control equipment:
• Autosampler (for analysis of nutrients, metals and pesticides)
This can be supplemented by other measurements:
• Rainfall
• Level / Flow
• Meteorological Data

• Rapid Deployment – live data to the web within 5 minutes
• Robust, self contained sensors for direct immersion
Esnet

• Rapid Deployment – kiosk installed within half a day
• Pump system
Kiosk

Working in Partnership
•Barton Brook WFD waterbody failing for phosphate
•Collaborative project with Blackpool and Fylde College
•Allowed a greater area to be covered and additional
information gathered
•Data analysed by students and fed back to area staff

Data from Barton Brook
Upstream
Downstream

The benefits of using Volunteers:
• Security of equipment
•Maintenance of equipment
• Can monitor the data in real time, receive alarms. Can be on site
quicker if an event occurs
•Larger area can be covered
•Data fed back to improve knowledge/understanding of water quality
which feeds into WFD basin planning

The benefits of real time, high resolution data:
• More detailed view of events
• Transient events are captured
• Earlier warning of issues
• Greater understanding of the relationships between the
measurement parameters
• Clear linkage of the timing between events and the effect of one
parameter upon another
• Ability to pinpoint events very clearly by time and geography

Contacts:-
Matthew Loewenthal 07770846983
matthew.loewenthal@environment-agency.gov.uk
June Jones 07770322973
june.jones@environment-agency.gov.uk

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