Case study:River Seaton: Abandoned Metal Mines - Revision history

Alexrrc at 14:55, 28 June 2017

2017-06-28T14:55:54Z

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	{{Measures		{{Measures
			\|Floodplain / River corridor=Water treatment methods,
	\|Other technical measure=Improving water quality,		\|Other technical measure=Improving water quality,
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Alexrrc at 14:54, 28 June 2017

2017-06-28T14:54:20Z

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	\|Physico-chemical quality elements=Nutrient concentrations,		\|Physico-chemical quality elements=Nutrient concentrations,
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	{{Measures}}		{{Measures
			\|Other technical measure=Improving water quality,
			}}
	{{Hydromorphological quality elements header}}		{{Hydromorphological quality elements header}}
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Alexrrc at 14:53, 28 June 2017

2017-06-28T14:53:23Z

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	\|Invasive species present=No		\|Invasive species present=No
	}}		}}
	{{Project background}}		{{Project background
			\|Reach length directly affected=17km
			}}
	{{Motivations		{{Motivations
	\|Specific mitigation=Pollution incident, Mine drainage metal concentrations, Not meeting WFD standards for Copper		\|Specific mitigation=Pollution incident, Mine drainage metal concentrations, Not meeting WFD standards for Copper

Alexrrc at 10:17, 24 May 2017

2017-05-24T10:17:59Z

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	{{Project background}}		{{Project background}}
	{{Motivations		{{Motivations
	\|Specific mitigation=Not meeting WFD standards for Copper		\|Specific mitigation=Pollution incident, Mine drainage metal concentrations, Not meeting WFD standards for Copper
	\|Physico-chemical quality elements=Nutrient concentrations,		\|Physico-chemical quality elements=Nutrient concentrations,
	}}		}}

Alexrrc at 12:46, 23 May 2017

2017-05-23T12:46:53Z

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	{{Motivations}}		{{Motivations
			\|Specific mitigation=Not meeting WFD standards for Copper
			\|Physico-chemical quality elements=Nutrient concentrations,
			}}
	{{Measures}}		{{Measures}}
	{{Hydromorphological quality elements header}}		{{Hydromorphological quality elements header}}

Embellamy at 13:38, 5 January 2017

2017-01-05T13:38:28Z

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			{{Case study image
			\|File name=Jopes Adit.jpg
			\|Caption=Jopes Adit, South Caradon mine
			}}
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Embellamy at 13:37, 5 January 2017

2017-01-05T13:37:09Z

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	\|Partner organisations=The Coal Authority (UK),		\|Partner organisations=The Coal Authority (UK),
	\|Multi-site=No		\|Multi-site=No
			\|Project picture=Waste tips South Caradon.jpg
			\|Picture description=Waste tips at South Caradon mine
	\|Project summary=The Seaton catchment is heavily impacted by historic mining activity throughout its entire length, but especially in the upper reaches around South Caradon mine. The mine is located on the South Eastern edge of Bodmin Moor in South East Cornwall. It is cut through by the River Seaton which is fed by groundwater as well as surface runoff during heavy rain events. Ore processing at South Caradon mine started in 1838, at which time the mine covered most of the south side of Caradon Hill, and finished in 1890. When South Caradon finally closed it left miners with no prospects of work anywhere else in the Duchy. Many went to England to find work in factories or coal mines, but large numbers emigrated to work metal mines all around the world.		\|Project summary=The Seaton catchment is heavily impacted by historic mining activity throughout its entire length, but especially in the upper reaches around South Caradon mine. The mine is located on the South Eastern edge of Bodmin Moor in South East Cornwall. It is cut through by the River Seaton which is fed by groundwater as well as surface runoff during heavy rain events. Ore processing at South Caradon mine started in 1838, at which time the mine covered most of the south side of Caradon Hill, and finished in 1890. When South Caradon finally closed it left miners with no prospects of work anywhere else in the Duchy. Many went to England to find work in factories or coal mines, but large numbers emigrated to work metal mines all around the world.
	From the remains on the site and documented history, it is known that the processing of material from the mine shafts was carried out within the River Seaton valley. River water from the Seaton was used in the separation process, and waste water with a high concentration of metal solutes, sand, and silt-sized particles, was discharged directly into the River Seaton. Processing of Cu bearing ore at South Caradon mine involved the heating, pulverizing and dissolving of metals and their compounds, resulting in release of Cu and Zn into the surrounding environment. The legacy of these processes is a proliferation of tips, disused shafts and 3 adit discharges which between them contribute high levels of Zinc, Copper and Cadmium to the river.		From the remains on the site and documented history, it is known that the processing of material from the mine shafts was carried out within the River Seaton valley. River water from the Seaton was used in the separation process, and waste water with a high concentration of metal solutes, sand, and silt-sized particles, was discharged directly into the River Seaton. Processing of Cu bearing ore at South Caradon mine involved the heating, pulverizing and dissolving of metals and their compounds, resulting in release of Cu and Zn into the surrounding environment. The legacy of these processes is a proliferation of tips, disused shafts and 3 adit discharges which between them contribute high levels of Zinc, Copper and Cadmium to the river.
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	BENEFITS OF REMEDIATION The River Seaton will be protected from a major pollution source. Contribute towards achieving Good Ecological and Chemical status. 912 kg of Zinc and 2,100 kg of Copper would be prevented from entering the River Seaton every year.		BENEFITS OF REMEDIATION The River Seaton will be protected from a major pollution source. Contribute towards achieving Good Ecological and Chemical status. 912 kg of Zinc and 2,100 kg of Copper would be prevented from entering the River Seaton every year.
	The Environment Agency is working with the Coal Authority to develop remedial options to address the pollution and return the river to good status. At the current time (August 2014), we are not able to say when we will be able to start work on cleaning up the river.		The Environment Agency is working with the Coal Authority to develop remedial options to address the pollution and return the river to good status. At the current time (August 2014), we are not able to say when we will be able to start work on cleaning up the river.

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Hazel Wilson at 12:57, 2 November 2015

2015-11-02T12:57:00Z

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	\|Subcatchment=River Seaton		\|Subcatchment=River Seaton
	}}		}}
	{{Site}}		{{Site
			\|WFD water body code=GB108048002320
			\|WFD water body name=River Seaton
			\|Heavily modified water body=No
			\|Protected species present=No
			\|Invasive species present=No
			}}
	{{Project background}}		{{Project background}}
	{{Motivations}}		{{Motivations}}

Hazel Wilson at 12:56, 2 November 2015

2015-11-02T12:56:32Z

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			\|Subcatchment=River Seaton
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Jkent02 at 12:43, 15 August 2014

2014-08-15T12:43:32Z

@@ Line 14: / Line 14: @@
 |Partner organisations=The Coal Authority (UK),
 |Multi-site=No
-|Project summary=The Seaton catchment is heavily impacted by historic mining activity throughout its entire length, but especially in the upper reaches around South Caradon mine. The mine is located on the South Eastern edge of Bodmin Moor in South East Cornwall. It is cut through by the River Seaton, which is fed by groundwater as well as surface runoff during heavy rain events. Ore processing at South Caradon mine started in 1838, at which time the mine covered most of the south side of Caradon Hill, and finished in 1890. When South Caradon finally closed it left miners with no prospects of work anywhere else in the Duchy. Many went to England to find work in factories or coal mines, but large numbers emigrated to work metal mines all around the world.
+|Project summary=The Seaton catchment is heavily impacted by historic mining activity throughout its entire length, but especially in the upper reaches around South Caradon mine. The mine is located on the South Eastern edge of Bodmin Moor in South East Cornwall. It is cut through by the River Seaton which is fed by groundwater as well as surface runoff during heavy rain events. Ore processing at South Caradon mine started in 1838, at which time the mine covered most of the south side of Caradon Hill, and finished in 1890. When South Caradon finally closed it left miners with no prospects of work anywhere else in the Duchy. Many went to England to find work in factories or coal mines, but large numbers emigrated to work metal mines all around the world.
 }}
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