Summary of Soil Based Reed Bed Effluent Treatment Systems Designed by our Award Winning Wetland Engineers

Date of Commission Date of Commission Type of Effluent Area Load Notes
Steel works, South Wales, UK 1990 Coke oven effluent 18 hectares 2,500 mg/l ammonia, high COD, cyanides and thiocyanates 500 m3 / day Largest system in UK. Winner of Prince of Wales Award for Best Environmental Practise
ICI, Billingham Teesside, UK Air Products 0872 1990 Originally design for amine chemistry, now for multi functional mixed chemical plant 5 hectares 7 reed beds 3,000 m3 / day up to 5,000 COD mg/l The reed beds have met the Discharge Consent consistently since construction
East Ravendale, South Yorkshire, UK 1991 Domestic sewage 240 m2 Waste from 100 PE (secondary treatment) Outlet BOD permanently below 10 mg/l, SS permanently below 25 mg/l.
Whyalla, South Australia, Australia 1993 Pilot plant for testing coke oven effluent treatment in arid conditions. 8 beds (3 m x 10 m approx.) Coke oven waste of various strengths. Success of pilot trials led to the commissioning of a full system.  (see below)
Manchester, UK 1995 Starch factory effluent 2 pilot beds (each 3 m x 5 m) COD up to 10,000 mg/l dark coloration. Greater than 95% removal of COD and colour.
Whyalla, South Australia One Steel, Whyalla,1222, Australia 1997 Coke oven effluent treatment 900 mg/l Ammonia/ 60 mg/l Cyanide/300mg/l Phenol 2 hectares 16 Beds Treatment of coke oven waste (450m3/day) Successful reduction of very high COD and ammonia
YPLMO, Pumpherston, Edinburgh, UK 1997 Groundwater remediation 2,000 m2 Removal of surfactants, hydrocarbons and other complex organics Winner of BP Amoco’s Chairman’s Awards, 1999 and of the Engineering Council Environment Award for Engineers, 1999
Tanfield Lea, Newcastle, UK 1997 Tip Leachate 1,800 m2 Removal of heavy metals, TSS and COD load
Reuben Gaunts, Pudsey, Leeds, UK 1997 Textile Waste 450 m2 6 Reed beds Removal of heavy metals, ammonia and COD load TSS. Research project (EU funded)
AB Mauri, Jakarta, INDONESIA 1997 Bakery Products & Yeast Waste water 50 m2 Trial System for removal of yeast process waste.
Wheathampstead, UK 1998 Pesticide Contaminated Groundwater 4,00 0m2 4 Reed beds Removal of complex pesticide residues left in groundwater from a previous industrial site use. Construction completed July 1998. Pesticides not detected at outlet – still operational after 13 years
Clayton, Bradford, UK 1998 Secondary sewage treatment 25 m2 Removal of residual BOD and ammonia from septic tank drainage prior to discharge to a stream. Currently being monitored to assess treatment.
Sainsbury’s Millennium Project, Greenwich, London, UK 1999 Surface run-off from goods yard and buildings BOD polishing and suspended solids
Thackwood Landfill, Penrith, Yorkshire, UK 2000 Tip Leachate Treatment 480 m2 Heavy metals and ammonia Private
BP/McDonalds, Raunds, Northamptonshire, UK 2000 Secondary sewage treatment and hydrocarbons 900 m2 Removal of BOD, suspended solids and ammonia. Removal of DROs, PROs Discharge of treated waste under Environment Agency Discharge Consent to surface water
PDO (Shell), Oilfields Southern Oman 2000 Pilot plant for the treatment of produced water, removal of heavy metals and trace oil 7200 m2 Trials of up to 3,000 m3 of water per day with oil in water content of up to 100 ppm.  Currently removing 99% or more of the oil load. Including a trial of agricultural crops to recycle and profit from the wastewater.
Philpot Farm, Essex, UK 2000 Settled cattle slurry 255 m2 Removal of BOD, suspended solids and ammonia Granular beds 16-32 mm pebble size.
Pengreep Farm, Cornwall, UK

 2001 Process water from cheese production and sewage from 20 employees 270 m2 Removal of up to 7000mg BOD/l from factory and foul waste. Discharge of treated waste under Environment Agency Discharge Consent to surface water. Saves cost of mains sewerage connection
Pilot Municipal Sewage Treatment Project, Marystown, NL, CA. 2001 Sewage 640 m2 Effluent undergoes biological treatment in the wetlands
City Farm, Bradford, UK 2001 Animal house waste water and surface run-off from yard and roof 50 m2 Removal of BOD and suspended solids Treated waste water recycled for irrigating vegetable in poly-tunnels
Highland Distillers, Glengoyne Distillery, East Scotland 2001 Distillery waste and sewage from visitor centre 400 m2 Removal of high BOD, suspended solids and copper
BP Oil UK Ltd, Hornchurch, UK 2001 Surface run-off from petrol filling station 70 m2 Removal of hydrocarbons Reed bed replaces interceptor
Transco, Cleckheaton, UK 2001 Runoff from gas holders 25 m2 Ammonia, heavy metals 6 RIBs
Leeds Bradford International Airport, UK 2002 Surface run-off from fire training ground 400m2 Removal of unburned solids, kerosene, fluorosurfactant foams, and BOD Two stage reed bed composed of a gravel based, vertical reed bed and a soil-based horizontal reed bed meets consents
Humberside Airport, UK 2002 Surface run-off from fire training ground 400 m2 Removal of unburned solids, kerosene, fluorosurfactant foams, and BOD As at Leeds Bradford International Airport
Sir Christopher Wates, Tufton Place, Sussex, UK 2002 Settled sewage for residential Christian Retreat Centre 300 m2 Removal of BOD, Ammonia and Suspended Solids Discharge to ground. Considerable savings to client, who no longer removes sewage by tanker each week
Turlinjah, NSW, AUSTRALIA 2002 Municipal Sewage 300 m2 Secondary & Tertiary Sewage treatment 70PE Reduction to below tertiary treatment levels
British Waterways, Auchinstarry, UK 2003 Domestic waste water 450 m2 Removal of BOD and suspended solids
Loseley Ice-cream factory and visitor centre, Wales, UK 2003 Process water, ice-cream factory waste-water, settled sewage and surface water run-off. 1500 m2 treatment area, 200 m2 cooling lakes and reed beds. Max. 200m3 per hour. Removal of BOD, suspended solids cooling water, wash water and sewage Substantial cost savings by passively cooling and recycling refrigerant water through the reed beds. Rainwater is also harvested for process water and toilet flushing.
Heglig, Sudan 2003 Oily produced water 400,000 m2 lagoons; 300,000 m2 reed beds 50,000m3 per day hydrocarbon contaminated water Oil concentration up to 100 ppm –  Water is treated to standard of ‘no detectable oil’ and is fit for agricultural use
BP Oil UK Harlow, UK 2003 Tertiary sewage 100 m2 Removal of BOD, suspended solids and ammonia. Reduction to below tertiary treatment levels
BP Oil UK Kate’s Cabin, UK 2003 Tertiary sewage 100 m2 Removal of BOD, suspended solids, NH4 Reduction to below tertiary treatment levels
BP Oil UK Brackley, UK 2003 Tertiary sewage and hydrocarbons 200 m2 Removal of oily water, BOD, suspended solids NH4 Clean water balanced prior to discharge to ditch
United Utilities, Delph, UK 2003 Agricultural run-off from milking parlour 130 m2 Variable Two stage system comprising horizontal and vertical flow reed beds, landscaped to harmonise with natural environment
United Utilities, Stalybridge, UK 2003 Agricultural run-off from milking parlour 250 m2 Variable Two stage system comprising horizontal and vertical flow reed beds, landscaped to harmonise with natural environment
Veolia, Alton, Hants, UK 2004 Wheel washings, dust suppression water and tertiary sewage treatment 4 x RIBS, 150 m2 to polish metals, 200 m2tertiary treatment Heavy metals and ammonia Sacrificial containerised reed beds (RIBS) immobilise heavy metals and are easily replaced. Innovative design avoids need to pump effluent.
Shenyang, CHINA 2004 Municipal Sewage 6,500 m2 1,000 m3 per day BOD to < 10 mg/l TSS  to < 10 mg/l -40 C in Winter
Transco, Darlington, UK 2004 Gas Holder water 6 RIBS system Removal of trace contaminants and cyanide System to collect and treat displacement water that runs off when gas holder is used.
Muntons, Bridlington, UK 2005 Maltings wash water 1500 m2 Removal of BOD, Suspended solids and storage for Lunar Discharge to sea Single stage vertical bed, allowing retention of discharged effluent during low tides.
Appleton & Glenwood, Canada 2006 Municipal Sewage 12,400 m2 Flow 3,500 m3 /day, BOD,COD, Ammonia, & Pathogens reduction BOD 160 mg/l reduced to < 10 mg/l TSS  200 mg/l reduced to < 6 mg/l
GNPOC 8 fields, Sudan 2006-2008 Oily produced water 9 Separate systems, total treatment area >1000 Ha Hydrocarbons 100ppm down to 0ppm Combined total Inlet volume 200,000m3 per day. Water is treated to standard of ‘no detectable oil’ and is fit for agricultural use
Aston Villa Training Ground, UK 2007 Grey Water & Sewage 185 m2 Removal of BOD, Suspended solids Single stage vertical bed
Aucheninnes, Dumfries & Galloway, UK 2007 Landfill Leachates 475 m2 Removal of BOD, Suspended solids, Heavy Metals Single stage Horizontal bed
WNPOC, Sudan 2007-2009 Oily produced water Total treatment area 95 Ha Hydrocarbons 100 ppm down to 0ppm Inlet volume 10,000 – 20,000 m3 per day. Water is treated to standard of ‘no detectable oil’ and is fit for agricultural use
Petrodar, Sudan 2008-2009 Oily produced water 3 Systems. total treatment area 130 Ha Hydrocarbons 100ppm down to 0ppm Inlet volume varies from 30,000 – 70,000 m3 per day. Water is treated to standard of ‘no detectable oil’ and is fit for agricultural use
Clock-house Byfleet, UK 2008 Grey Water 100 m2 Removal of BOD, Suspended solids, Heavy Metals Single stage Horizontal bed
Long Term Care Facility Corner Brook, NL, CA 2009 Sewage 2,740 m2 Removal of BOD, Suspended solids BOD: 500-600 mg/L reduced to 30-50 mg/L , TSS: 350-400 mg/L reduced to 4 mg/L
One Stop, False Bay, South Africa 2009 Surface run-off from petrol filling station 10 m2 Removal of hydrocarbons Reed bed replaces interceptor
Avis, Cape Town Airport, South Africa 2009 Surface run-off from petrol filling station 7 m2 Removal of hydrocarbons Reed bed replaces interceptor
Stephenville, NL, Canada 2010 Municipal Sewage 20,000 m2 Removal of BOD, Suspended solids BOD: 78 mg/L reduced to 11.6 mg/L (87% Reduction)
Tugella One Stop, South Africa 2010 Sewage 1225 m2 Removal of BOD, Suspended solids Two single stage Horizontal beds, one on each side of the carriageway.
Little Bushy Warren Copse, Veolia, UK 2010 Compost Leachate 2300 m2 Ammonia, nitrate, heavy metals Two stage, horizontal system releasing to soak away.
Fertil, United Arab Emirates 2010 Fertiliser factory effluent 680 m2 Ammonia, BOD

 Combination of vertical and horizontal reed beds.
Marr Grange Farm Landfill

 2011 Farm yard runoff from a pig farm 300 m2 COD, BOD, Ammonia, suspended solids Horizontal bed with storm water bypass system in place.  System capacity is 500m3 to cover 100 year storm event.
Leachate Facility, Norris Arm, NL, CA. 2011 Leachate treatment, specifically ammonia reduction. 4,000 m2 Reduction of Leachate contamination levels specifically Ammonia Wastewater is fed to a vertical-flow engineered wetland bed to provide primary treatment.
GNPOC, Republic of Sudan 2012 (November) Rehabilitation of and re-establishment of reed beds – See Item 40 24 month contract.
DPOC, Republic of South Sudan 2013 (March) Rehabilitation of and re-establishment of reed beds – See item 44 18 month contract.
Rolleston, Leicestershire, UK 2014 Sewage 200 m2 Removal of BOD, Suspended solids Refurbishment of previous gravel System
Bishop’s Fall, NL, CA 2015 Sewage – town of 4500PE 24,600 m2 Sewage with large  Stormwater fluctuations System is currently going through the final commissioning stage,