3 196 installations classées · Département 56
| Statut | Raison sociale | Commune |
|---|---|---|
| Seveso seuil haut | DÉPÔT PÉTROLIER DE LORIENT SEIGNELAY | Lorient |
| Seveso seuil haut | DÉPÔT PÉTROLIER DE LORIENT KERGROISE | Lorient |
| Seveso seuil haut | SICOGAZ | Quéven |
| Seveso seuil bas | GUERBET | Lanester |
| Seveso seuil bas | ITM Logistique Alimentaire International | Neulliac |
| Seveso seuil bas | PRIMAGAZ | Questembert |
| Commune | ICPE | Seveso H | Seveso B |
|---|---|---|---|
| Plumeliau-Bieuzy | 77 | – | – |
| Évellys | 74 | – | – |
| Moréac | 59 | – | – |
| Languidic | 58 | – | – |
| Ploërmel | 50 | – | – |
| Gourin | 45 | – | – |
| Mauron | 44 | – | – |
| Forges de Lanouée | 43 | – | – |
| Pluvigner | 42 | – | – |
| Noyal-Pontivy | 41 | – | – |
| Lorient | 40 | 2 | – |
| Ménéac | 39 | – | – |
| Grand-Champ | 35 | – | – |
| Questembert | 35 | – | 1 |
| Bignan | 35 | – | – |
| Vannes | 34 | – | – |
| Crédin | 34 | – | – |
| Bréhan | 34 | – | – |
| Elven | 33 | – | – |
| SERENT | 33 | – | – |
| Plumelin | 32 | – | – |
| Baud | 31 | – | – |
| Mohon | 30 | – | – |
| Guénin | 30 | – | – |
| CADEN | 30 | – | – |
| Carentoir | 30 | – | – |
| Saint-Jean-Brévelay | 29 | – | – |
| Plumelec | 29 | – | – |
| Cléguérec | 26 | – | – |
| Caudan | 26 | – | – |
| Plaudren | 25 | – | – |
| Kervignac | 25 | – | – |
| Guiscriff | 24 | – | – |
| Réguiny | 24 | – | – |
| Allaire | 24 | – | – |
| Pleugriffet | 24 | – | – |
| Saint-Barthélemy | 24 | – | – |
| Langonnet | 23 | – | – |
| Seglien | 22 | – | – |
| Guer | 22 | – | – |
| Priziac | 22 | – | – |
| Caro | 22 | – | – |
| Guegon | 22 | – | – |
| Saint-Martin-sur-Oust | 21 | – | – |
| Bubry | 21 | – | – |
| Val d'Oust | 21 | – | – |
| Saint-Avé | 20 | – | – |
| Noyal-Muzillac | 20 | – | – |
| Guilliers | 20 | – | – |
| Ploërdut | 20 | – | – |
Source : Géorisques · Installations Classées · Cache 7 j.