ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

Integration of nature based solutions Examples of good practices in the Artois

Picardie Water Agency

ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

SommaireSommaire

Quelques chiffres du Bassin Artois-Picardie2485 communes Superficie : 20 000 km2 Linéaire de 8 000 km de cours d’eau 270 km de côtes 4,7 Millions d’habitants•Rural : 1,23 Mh (26 %) - Urbain : 3,47 Mh (74 %)•Densité moyenne : 235 hab/km2 (2,2 fois la densité nationale)350 Millions de m3 d’eau potable produite par andont 95 % d’origine souterraine (1100 forages)

The Artois Picardie basin in France

ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

All the basins in France have a strategy for adapting to climate

and therefore nature based solutions

ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

Mitigation measures

Preservation of wild life through urban and regional

planning (bogs)

Preservation of wild rivers which are

functional

Green infrastructure

Swale Green reservoir parking lot Agriculture in flood plains Agriculture in wetlands

Ecological rehabilitation

AwarenessEco engineering

ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

Reservoirs in agricultural areas which can store flood water during flood events, and otherwise be high nature value areas

Grass strips Hedges Land plot fences

fences

ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

Restoring natural flows by realignment of coastal areas, or re-connection of rivers with their floodplains

Example of a wetland in Erquinghem/Lys

ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

Management of Aquatic

Environment and flood preventionObligation for Municipalities to be

competent in management of

aquatic environment and flood

prevention. Their missions can take

competence in• 1° Basin or sub basin management

• 2° river, lake, canal management and maintenance

• 5° Defence against floods and sea

• 8° Protection and restoration of sites, aquatic ecosystems and wetlands as well as riparian woodlands

Contraction authority for restoration

Major environmental act

ISO 9001ISO 14001OHSAS 18001

Workshop H2O – 13 juin 2019

Basins et ponds

wetlands

Expanding flood areas

Re meandering Reconnection of annexes

Dam levelling

Renaturalizationof polders

Infiltration

Fight against erosion

http://www.nwrm.eu/hydro-morphology

Natural flood management / green infrastructures

Natural Water Retention Measures

ISO 9001ISO 14001OHSAS 18001

Water agency’s flood prevention policy Eligible actions to funds

• Global strategic or operational studies and project management missions (S 70 %)

• Land acquisition (S 40 %)

• Dynamic flood slowdown (expanding flood area, S 40 %-15 € / m3)

• Ecological maintenance and restoration work of rivers (S 70 %)

ISO 9001ISO 14001OHSAS 18001

Thanks for your attention