Water quality. Controls made of continental water

Water quality. 2018 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	310	2,224	172	171	:	2,567
Reservoirs	13	12	11	12	:	35
Wetland	34	47	28	27	:	102
Lakes	1	1	:	1	:	2
Coastal waters and bays	228	628	140	588	:	1,356
Groundwater	1,277	1,277	:	:	400	1,677
Total	1,863	4,189	351	799	400	5,739
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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