Case study:Sheephouse Wood Mine Water Treatment Scheme

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Location: 53° 29' 54", -1° 39' 11"
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Project overview

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Status Complete
Project web site
Themes Environmental flows and water resources, Fisheries, Habitat and biodiversity, Social benefits, Water quality
Country England
Main contact forename Sinead
Main contact surname Chamberlain
Main contact user ID User:Coal Authority
Contact organisation The Coal Authority (UK)
Contact organisation web site http://coal.decc.gov.uk
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Sheephouse Wood mine water treatment scheme

Project summary

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Sheephouse Wood mine water treatment scheme addresses a long-standing coal mine water pollution problem associated with the Sheephouse Wood adit, in South Yorkshire, England.

The mine water treatment scheme is built on the site of the former Hand Bank Colliery, which closed in the 1930s. Fireclay was also previously mined on the site. The original discharge was via a drainage adit running under the site located at a depth of 30 metres. This adit discharged into a drainage channel, which extends for approximately 2km bypassing the Underbank Reservoir. In February 2002, a sudden outrush of contaminated mine water occurred which damaged a section of the major trunk road between Sheffield and Manchester (A616). This was caused by a collapse in the adit, leading to water pressure building up in the workings. Remedial works were carried out on the adit and to repair the road but in 2005 another blockage in the adit led to water levels rising. This resulted in the majority of the flow emerging from a second discharge located a short distance to the north. Flow from this discharge affected a stretch of the Little Don River.

The Coal Authority stepped in to construct a scheme to treat the mine water and control water levels and pressure, in order to prevent significant outbreaks of pollution which had occurred at this site in the past. The scheme comprises of two lagoons and a reed bed to remove iron from the water prior to it being discharged into the local watercourse.

Monitoring surveys and results

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This scheme has significantly improved the water over 2.4km.

Lessons learnt

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Image gallery


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Catchment and subcatchment

Catchment

River basin district Humber
River basin Don and Rother

Subcatchment

River name Little Don from Source to River Don
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 500 - 1000 m
Maximum altitude (m) 539
539 m
0.539 km
53,900 cm
Dominant geology Siliceous
Ecoregion Great Britain
Dominant land cover Bog
Waterbody ID GB104027057460



Other case studies in this subcatchment: Little Don Catchment Case Study


Site

Name
WFD water body codes GB104027057460
WFD (national) typology
WFD water body name Little Don from Source to River Don
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body No
National/international site designation
Local/regional site designations
Protected species present No
Invasive species present No
Species of interest
Dominant hydrology
Dominant substrate
River corridor land use
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Average bankfull channel width (m)
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Average bankfull channel depth (m)
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Project background

Reach length directly affected (m)
Project started 2012/02/01
Works started 2013/12/01
Works completed
Project completed
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Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design
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Works and works supervision
Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical Coal mine water pollution
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Reedbed creation, Creation of two infiltration lagoons
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

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Before measures After measures Qualitative Quantitative

Biological quality elements

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Physico-chemical quality elements

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Any other monitoring, e.g. social, economic

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents



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Supplementary Information

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