Water quality. Controls made of continental water

Water quality. 2019 Made controls in continental and coastal waters (surface and ground)
		Type of control
	Control stations	elements physical-chemical	priority substances	biological elements	piezometric control	total
Rivers	340	2,855	600	371	:	3,826
Reservoirs	18	84	16	0	:	100
Wetland	83	0	0	0	:	0
Lakes	3	8	:	:	:	8
Coastal waters and bays	:	:	:	:	:	0
Groundwater	1,117	1,117	:	:	400	1,517
Total	1,561	4,064	616	371	400	5,451
Source: Agència Catalana de l'Aigua.
Notes:
- From year 2007, a new stage of adaptation to the requirements established by the Water Framework Directive begins. The control of the surface waters is carried out in accordance with the Monitoring and Control Programme that has been specified in the samplings and controls in this table.
- The numbers corresponding to Reservoirs, Wetlands and Ponds correspond to the number of points sampled in 2016. Neither the number of samples taken at each point nor the number of elements analysed in the “physico-chemical” or “biological” packages are indicated.

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