| Paramètre | Loire-Atlantique | Moy. nationale |
|---|---|---|
| Score qualité | 98/100 | 91/100 |
| Nitrates (mg/L) | 14.5 | 16.3 |
| Calcium (mg/L) | 58.2 | 72.2 |
| Communes PFAS | 9 | 342 (national) |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Abbaretz | 100 | 24 mg/L | · | ✓ | ✓ Conforme |
| Aigrefeuille-Sur-Maine | 100 | 6.2 mg/L | · | ✓ | ✓ Conforme |
| Ancenis-Saint-Gereon | 100 | 16 mg/L | 62 mg/L | ✓ | ✓ Conforme |
| Asserac | 100 | 12 mg/L | · | ✓ | ✓ Conforme |
| Avessac | 100 | 5.5 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Basse-Goulaine | 80 | 8.5 mg/L | 50 mg/L | Détectés | ✓ Conforme |
| Batz-Sur-Mer | 100 | 12 mg/L | · | ✓ | ✓ Conforme |
| Baule-Escoublac (La) | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Bernerie-En-Retz (La) | 100 | 3.9 mg/L | · | ✓ | ✓ Conforme |
| Besne | 100 | 5.4 mg/L | · | ✓ | ✓ Conforme |
| Bignon (Le) | 100 | · | · | ✓ | ✓ Conforme |
| Blain | 90 | 40 mg/L | · | ✓ | ✓ Conforme |
| Boissiere-Du-Dore (La) | 100 | · | · | ✓ | ✓ Conforme |
| Bouaye | 100 | 8.8 mg/L | · | ✓ | ✓ Conforme |
| Bouee | 100 | · | · | ✓ | ✓ Conforme |
| Bouguenais | 100 | 13 mg/L | · | ✓ | ✓ Conforme |
| Boussay | 100 | 14 mg/L | · | ✓ | ✓ Conforme |
| Bouvron | 100 | 0 mg/L | · | ✓ | ✓ Conforme |
| Brains | 100 | 8.3 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Campbon | 90 | 0 mg/L | 106 mg/L | Détectés | ✓ Conforme |
| Carquefou | 100 | 15 mg/L | · | ✓ | ✓ Conforme |
| Casson | 90 | 37 mg/L | · | ✓ | ✓ Conforme |
| Cellier (Le) | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Chapelle-Des-Marais (La) | 100 | 20 mg/L | · | ✓ | ✓ Conforme |
| Chapelle-Glain (La) | 100 | 13 mg/L | · | ✓ | ✓ Conforme |
| Chapelle-Heulin (La) | 100 | 7.6 mg/L | · | ✓ | ✓ Conforme |
| Chapelle-Launay (La) | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Chapelle-Sur-Erdre (La) | 85 | 39 mg/L | · | ✓ | ✓ Conforme |
| Chateau-Thebaud | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Chateaubriant | 95 | 8.1 mg/L | · | ✓ | ✓ Conforme |
| Chaumes-En-Retz | 100 | 8.5 mg/L | · | ✓ | ✓ Conforme |
| Chauve | 100 | 8.4 mg/L | · | ✓ | ✓ Conforme |
| Cheix-En-Retz | 90 | 5.6 mg/L | · | ✓ | ✓ Conforme |
| Chevallerais (La) | 100 | 24 mg/L | · | ✓ | ✓ Conforme |
| Chevroliere (La) | 100 | · | · | ✓ | ✓ Conforme |
| Clisson | 100 | 8.1 mg/L | · | ✓ | ✓ Conforme |
| Conquereuil | 95 | 24 mg/L | · | ✓ | ✓ Conforme |
| Corcoue-Sur-Logne | 100 | · | · | ✓ | ✓ Conforme |
| Cordemais | 100 | 19 mg/L | · | ✓ | ✓ Conforme |
| Corsept | 100 | 7.6 mg/L | · | ✓ | ✓ Conforme |
| Coueron | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Couffe | 100 | 17 mg/L | · | ✓ | ✓ Conforme |
| Croisic (Le) | 100 | 13 mg/L | · | ✓ | ✓ Conforme |
| Crossac | 100 | 8 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Derval | 95 | 22 mg/L | · | ✓ | ✓ Conforme |
| Divatte-Sur-Loire | 95 | 7.6 mg/L | · | ✓ | ✓ Conforme |
| Donges | 100 | 8.6 mg/L | · | ✓ | ✓ Conforme |
| Dreffeac | 100 | 24 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Fay-De-Bretagne | 100 | 14 mg/L | · | ✓ | ✓ Conforme |
| Fegreac | 100 | 24 mg/L | · | ✓ | ✓ Conforme |
| Ferce | 95 | 8.6 mg/L | · | ✓ | ✓ Conforme |
| Frossay | 100 | 8 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Gavre (Le) | 90 | 26 mg/L | · | ✓ | ✓ Conforme |
| Geneston | 100 | · | · | ✓ | ✓ Conforme |
| Getigne | 100 | · | · | ✓ | ✓ Conforme |
| Gorges | 100 | · | · | ✓ | ✓ Conforme |
| Grand-Auverne | 100 | 25 mg/L | · | ✓ | ✓ Conforme |
| Grandchamps-Des-Fontaines | 90 | 37 mg/L | · | ✓ | ✓ Conforme |
| Grigonnais (La) | 90 | 33 mg/L | · | ✓ | ✓ Conforme |
| Guemene-Penfao | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Guenrouet | 100 | 22 mg/L | · | ✓ | ✓ Conforme |
| Guerande | 95 | 18 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Haie-Fouassiere (La) | 100 | 8.6 mg/L | · | ✓ | ✓ Conforme |
| Haute-Goulaine | 100 | · | · | ✓ | ✓ Conforme |
| Herbignac | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Heric | 90 | 37 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Indre | 100 | 15 mg/L | · | ✓ | ✓ Conforme |
| Isse | 90 | 29 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Jans | 100 | 20 mg/L | · | ✓ | ✓ Conforme |
| Joue-Sur-Erdre | 75 | 44 mg/L | · | ✓ | ✓ Conforme |
| Juigne-Des-Moutiers | 100 | 25 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Landreau (Le) | 95 | 6 mg/L | · | ✓ | ✓ Conforme |
| Lavau-Sur-Loire | 100 | 12 mg/L | · | ✓ | ✓ Conforme |
| Lege | 100 | 7.8 mg/L | · | ✓ | ✓ Conforme |
| Ligne | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Limouziniere (La) | 100 | 7.3 mg/L | · | ✓ | ✓ Conforme |
| Loireauxence | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Loroux-Bottereau (Le) | 100 | 7.6 mg/L | · | ✓ | ✓ Conforme |
| Louisfert | 90 | 28 mg/L | · | ✓ | ✓ Conforme |
| Lusanger | 90 | 27 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Machecoul-Saint-Meme | 90 | 17 mg/L | 66 mg/L | Détectés | ✓ Conforme |
| Maisdon-Sur-Sevre | 100 | · | · | ✓ | ✓ Conforme |
| Malville | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Marne (La) | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Marsac-Sur-Don | 95 | 20 mg/L | · | ✓ | ✓ Conforme |
| Masserac | 95 | 18 mg/L | 49 mg/L | ✓ | ✓ Conforme |
| Mauves-Sur-Loire | 100 | 8.4 mg/L | · | ✓ | ✓ Conforme |
| Meilleraye-De-Bretagne (La) | 90 | 29 mg/L | · | ✓ | ✓ Conforme |
| Mesanger | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Mesquer | 95 | 11 mg/L | · | ✓ | ✓ Conforme |
| Missillac | 95 | 18 mg/L | 61 mg/L | ✓ | ✓ Conforme |
| Moisdon-La-Riviere | 100 | 21 mg/L | · | ✓ | ✓ Conforme |
| Monnieres | 100 | 8.2 mg/L | · | ✓ | ✓ Conforme |
| Montagne (La) | 100 | 17 mg/L | · | ✓ | ✓ Conforme |
| Montbert | 100 | 8.6 mg/L | · | ✓ | ✓ Conforme |
| Montoir-De-Bretagne | 100 | 8.6 mg/L | · | ✓ | ✓ Conforme |
| Montrelais | 100 | 17 mg/L | · | ✓ | ✓ Conforme |
| Mouais | 95 | · | · | ✓ | ✓ Conforme |
| Moutiers-En-Retz (Les) | 100 | 8.2 mg/L | · | ✓ | ✓ Conforme |
| Mouzeil | 100 | · | · | ✓ | ✓ Conforme |
| Mouzillon | 100 | · | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Nantes | 95 | 14 mg/L | 41 mg/L | ✓ | ✓ Conforme |
| Nort-Sur-Erdre | 80 | 37 mg/L | 56 mg/L | ✓ | ✓ Conforme |
| Notre-Dame-Des-Landes | 90 | 37 mg/L | · | ✓ | ✓ Conforme |
| Noyal-Sur-Brutz | 95 | 8.7 mg/L | · | ✓ | ✓ Conforme |
| Nozay | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Orvault | 95 | 12 mg/L | · | ✓ | ✓ Conforme |
| Oudon | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Paimboeuf | 100 | 5.8 mg/L | · | ✓ | ✓ Conforme |
| Pallet (Le) | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Pannece | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Paulx | 100 | 22 mg/L | · | ✓ | ✓ Conforme |
| Pellerin (Le) | 100 | 5.8 mg/L | · | ✓ | ✓ Conforme |
| Petit-Auverne | 90 | 27 mg/L | · | ✓ | ✓ Conforme |
| Petit-Mars | 95 | 1.2 mg/L | · | ✓ | ✓ Conforme |
| Pierric | 95 | 22 mg/L | · | ✓ | ✓ Conforme |
| Pin (Le) | 100 | 17 mg/L | · | ✓ | ✓ Conforme |
| Piriac-Sur-Mer | 100 | 20 mg/L | · | ✓ | ✓ Conforme |
| Plaine-Sur-Mer (La) | 100 | 3.2 mg/L | · | ✓ | ✓ Conforme |
| Planche (La) | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Plesse | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Pont-Saint-Martin | 100 | 8.2 mg/L | · | ✓ | ✓ Conforme |
| Pontchateau | 100 | 7.4 mg/L | · | ✓ | ✓ Conforme |
| Pornic | 100 | 7 mg/L | · | ✓ | ✓ Conforme |
| Pornichet | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Port-Saint-Pere | 100 | 8.1 mg/L | · | ✓ | ✓ Conforme |
| Pouille-Les-Coteaux | 100 | 14 mg/L | · | ✓ | ✓ Conforme |
| Pouliguen (Le) | 100 | 7.4 mg/L | · | ✓ | ✓ Conforme |
| Prefailles | 100 | 2.7 mg/L | · | ✓ | ✓ Conforme |
| Prinquiau | 100 | 5.5 mg/L | · | ✓ | ✓ Conforme |
| Puceul | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Regrippiere (La) | 100 | · | · | ✓ | ✓ Conforme |
| Remaudiere (La) | 95 | 8.4 mg/L | · | ✓ | ✓ Conforme |
| Remouille | 100 | 7.9 mg/L | · | ✓ | ✓ Conforme |
| Reze | 95 | 16 mg/L | · | ✓ | ✓ Conforme |
| Riaille | 100 | 19 mg/L | · | ✓ | ✓ Conforme |
| Roche-Blanche (La) | 100 | 10 mg/L | · | ✓ | ✓ Conforme |
| Rouans | 100 | 8.2 mg/L | · | ✓ | ✓ Conforme |
| Rouge | 100 | 8.1 mg/L | · | ✓ | ✓ Conforme |
| Ruffigne | 95 | 10 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Saffre | 85 | 25 mg/L | 64 mg/L | Détectés | ✓ Conforme |
| Saint-Aignan-Grandlieu | 100 | 7.4 mg/L | · | ✓ | ✓ Conforme |
| Saint-Andre-Des-Eaux | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Saint-Aubin-Des-Chateaux | 95 | 9.5 mg/L | · | ✓ | ✓ Conforme |
| Saint-Brevin-Les-Pins | 100 | 7.2 mg/L | · | ✓ | ✓ Conforme |
| Saint-Colomban | 100 | 12 mg/L | · | ✓ | ✓ Conforme |
| Saint-Etienne-De-Mer-Morte | 100 | 19 mg/L | · | ✓ | ✓ Conforme |
| Saint-Etienne-De-Montluc | 100 | 9.4 mg/L | · | ✓ | ✓ Conforme |
| Saint-Fiacre-Sur-Maine | 100 | · | · | ✓ | ✓ Conforme |
| Saint-Gildas-Des-Bois | 100 | 22 mg/L | 88 mg/L | ✓ | ✓ Conforme |
| Saint-Herblain | 95 | 16 mg/L | · | ✓ | ✓ Conforme |
| Saint-Hilaire-De-Chaleons | 100 | 17 mg/L | · | ✓ | ✓ Conforme |
| Saint-Hilaire-De-Clisson | 100 | 6.9 mg/L | · | ✓ | ✓ Conforme |
| Saint-Jean-De-Boiseau | 100 | 9.2 mg/L | · | ✓ | ✓ Conforme |
| Saint-Joachim | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Saint-Julien-De-Concelles | 100 | · | · | ✓ | ✓ Conforme |
| Saint-Julien-De-Vouvantes | 95 | 25 mg/L | · | ✓ | ✓ Conforme |
| Saint-Leger-Les-Vignes | 100 | 8 mg/L | · | ✓ | ✓ Conforme |
| Saint-Lumine-De-Clisson | 100 | 12 mg/L | · | ✓ | ✓ Conforme |
| Saint-Lumine-De-Coutais | 100 | 11 mg/L | · | ✓ | ✓ Conforme |
| Saint-Lyphard | 100 | 19 mg/L | · | ✓ | ✓ Conforme |
| Saint-Malo-De-Guersac | 100 | 9.5 mg/L | · | ✓ | ✓ Conforme |
| Saint-Mars-De-Coutais | 100 | · | · | ✓ | ✓ Conforme |
| Saint-Mars-Du-Desert | 85 | 1 mg/L | 26 mg/L | Détectés | ✓ Conforme |
| Saint-Michel-Chef-Chef | 90 | 3.7 mg/L | 50 mg/L | Détectés | ✓ Conforme |
| Saint-Molf | 95 | 20 mg/L | · | ✓ | ✓ Conforme |
| Saint-Nazaire | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Saint-Nicolas-De-Redon | 100 | 6.9 mg/L | · | ✓ | ✓ Conforme |
| Saint-Pere-En-Retz | 100 | 6.5 mg/L | · | ✓ | ✓ Conforme |
| Saint-Philbert-De-Grand-Lieu | 85 | 12 mg/L | 46 mg/L | Détectés | ✓ Conforme |
| Saint-Sebastien-Sur-Loire | 95 | 16 mg/L | · | ✓ | ✓ Conforme |
| Saint-Viaud | 100 | 6.3 mg/L | · | ✓ | ✓ Conforme |
| Saint-Vincent-Des-Landes | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Sainte-Anne-Sur-Brivet | 100 | 0 mg/L | · | ✓ | ✓ Conforme |
| Sainte-Luce-Sur-Loire | 95 | 11 mg/L | · | ✓ | ✓ Conforme |
| Sainte-Pazanne | 100 | 8.3 mg/L | · | ✓ | ✓ Conforme |
| Sainte-Reine-De-Bretagne | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Sautron | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Savenay | 100 | 14 mg/L | · | ✓ | ✓ Conforme |
| Severac | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Sion-Les-Mines | 95 | 8.6 mg/L | · | ✓ | ✓ Conforme |
| Sorinieres (Les) | 100 | 9.2 mg/L | · | ✓ | ✓ Conforme |
| Soudan | 95 | 10 mg/L | · | ✓ | ✓ Conforme |
| Soulvache | 90 | 7 mg/L | 49 mg/L | Détectés | ✓ Conforme |
| Suce-Sur-Erdre | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Teille | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Temple-De-Bretagne (Le) | 100 | 18 mg/L | · | ✓ | ✓ Conforme |
| Thouare-Sur-Loire | 100 | 10 mg/L | · | ✓ | ✓ Conforme |
| Touches (Les) | 75 | 1.1 mg/L | · | ✓ | ⚠ Non conf. |
| Touvois | 100 | 19 mg/L | · | ✓ | ✓ Conforme |
| Trans-Sur-Erdre | 95 | 1.1 mg/L | · | ✓ | ✓ Conforme |
| Treffieux | 100 | 23 mg/L | · | ✓ | ✓ Conforme |
| Treillieres | 100 | 17 mg/L | · | ✓ | ✓ Conforme |
| Trignac | 100 | 9 mg/L | · | ✓ | ✓ Conforme |
| Turballe (La) | 100 | 20 mg/L | · | ✓ | ✓ Conforme |
| Commune | Score | Nitrates | Calcaire | PFAS | Conformité |
|---|---|---|---|---|---|
| Vair-Sur-Loire | 100 | 16 mg/L | · | ✓ | ✓ Conforme |
| Vallet | 100 | 9 mg/L | · | ✓ | ✓ Conforme |
| Vallons-De-L'Erdre | 90 | 16 mg/L | · | Détectés | ✓ Conforme |
| Vay | 90 | 27 mg/L | · | ✓ | ✓ Conforme |
| Vertou | 100 | 8.3 mg/L | · | ✓ | ✓ Conforme |
| Vieillevigne | 100 | · | · | ✓ | ✓ Conforme |
| Vigneux-De-Bretagne | 100 | 14 mg/L | · | ✓ | ✓ Conforme |
| Villeneuve-En-Retz | 100 | 17 mg/L | · | ✓ | ✓ Conforme |
| Villepot | 95 | 12 mg/L | · | ✓ | ✓ Conforme |
| Vue | 100 | 8.5 mg/L | · | ✓ | ✓ Conforme |