Pays de la Loire · Département 44
Loire-Atlantique
211 communes suivies
128 stations rivières
0 stations nappes
Mis à jour le 24/07/2026 à 13:39
98
/100
Bonne qualité
Eau potable
Eau potable
Source : ARS via Hub'Eau · 211 communes
≥80
50-79
<50
ABBARETZ92/100
NitratespHChlore
AIGREFEUILLE-SUR-MAINE100/100
NitratespHChlore
ANCENIS-SAINT-GEREON100/100
NitratespHChlore
APREMONT86/100
NitratespHChlore
ASSERAC100/100
NitratespHChlore
AVESSAC100/100
NitratespHChlore
BASSE-GOULAINE100/100
NitratespHChlore
BATZ-SUR-MER100/100
NitratespHChlore
BAULE-ESCOUBLAC (LA)100/100
NitratespHChlore
BERNERIE-EN-RETZ (LA)100/100
NitratespHChlore
BESNE93/100
NitratespHChlore
BIGNON (LE)100/100
NitratespHChlore
BLAIN93/100
NitratespHChlore
BOISSIERE-DU-DORE (LA)100/100
NitratespHChlore
BOUAYE100/100
NitratespHChlore
BOUEE100/100
NitratespHChlore
BOUGUENAIS100/100
NitratespHChlore
BOUSSAY100/100
NitratespHChlore
BOUVRON93/100
NitratespHChlore
BRAINS100/100
NitratespHChlore
CAMPBON93/100
NitratespHChlore
CARQUEFOU100/100
NitratespHChlore
CASSON92/100
NitratespHChlore
CELLIER (LE)100/100
NitratespHChlore
CHAPELLE-DES-MARAIS (LA)100/100
NitratespHChlore
CHAPELLE-GLAIN (LA)92/100
NitratespHChlore
CHAPELLE-HEULIN (LA)100/100
NitratespHChlore
CHAPELLE-LAUNAY (LA)100/100
NitratespHChlore
CHAPELLE-SUR-ERDRE (LA)93/100
NitratespHChlore
CHATEAU-THEBAUD100/100
NitratespHChlore
CHATEAUBRIANT93/100
NitratespHChlore
CHAUMES-EN-RETZ 100/100
NitratespHChlore
CHAUVE100/100
NitratespHChlore
CHEIX-EN-RETZ100/100
NitratespHChlore
CHEVALLERAIS (LA)92/100
NitratespHChlore
CHEVROLIERE (LA)100/100
NitratespHChlore
CLISSON100/100
NitratespHChlore
CONQUEREUIL100/100
NitratespHChlore
CORCOUE-SUR-LOGNE100/100
NitratespHChlore
CORDEMAIS100/100
NitratespHChlore
CORSEPT100/100
NitratespHChlore
COUERON100/100
NitratespHChlore
COUFFE100/100
NitratespHChlore
CROISIC (LE)100/100
NitratespHChlore
CROSSAC100/100
NitratespHChlore
DERVAL100/100
NitratespHChlore
DIVATTE-SUR-LOIRE 100/100
NitratespHChlore
DONGES100/100
NitratespHChlore
DREFFEAC93/100
NitratespHChlore
ERBRAY100/100
NitratespHChlore
FAY-DE-BRETAGNE100/100
NitratespHChlore
FEGREAC100/100
NitratespHChlore
FERCE100/100
NitratespHChlore
FEREL100/100
NitratespHChlore
FROSSAY100/100
NitratespHChlore
GAVRE (LE)93/100
NitratespHChlore
GENESTON100/100
NitratespHChlore
GETIGNE100/100
NitratespHChlore
GORGES100/100
NitratespHChlore
GRAND-AUVERNE92/100
NitratespHChlore
GRANDCHAMPS-DES-FONTAINES93/100
NitratespHChlore
GRIGONNAIS (LA)92/100
NitratespHChlore
GUEMENE-PENFAO100/100
NitratespHChlore
GUENROUET100/100
NitratespHChlore
GUERANDE100/100
NitratespHChlore
HAIE-FOUASSIERE (LA)100/100
NitratespHChlore
HAUTE-GOULAINE100/100
NitratespHChlore
HERBIGNAC100/100
NitratespHChlore
HERIC92/100
NitratespHChlore
INDRE100/100
NitratespHChlore
ISSE100/100
NitratespHChlore
JANS93/100
NitratespHChlore
JOUE-SUR-ERDRE92/100
NitratespHChlore
JUIGNE-DES-MOUTIERS92/100
NitratespHChlore
LANDREAU (LE)100/100
NitratespHChlore
LAVAU-SUR-LOIRE100/100
NitratespHChlore
LEGE100/100
NitratespHChlore
LIGNE100/100
NitratespHChlore
LIMOUZINIERE (LA)100/100
NitratespHChlore
LOIREAUXENCE100/100
NitratespHChlore
LOROUX-BOTTEREAU (LE)100/100
NitratespHChlore
LOUISFERT92/100
NitratespHChlore
LUSANGER93/100
NitratespHChlore
MACHECOUL-SAINT-MEME100/100
NitratespHChlore
MAISDON-SUR-SEVRE100/100
NitratespHChlore
MALVILLE100/100
NitratespHChlore
MARNE (LA)100/100
NitratespHChlore
MARSAC-SUR-DON100/100
NitratespHChlore
MASSERAC100/100
NitratespHChlore
MAUVES-SUR-LOIRE100/100
NitratespHChlore
MEILLERAYE-DE-BRETAGNE (LA)83/100
NitratespHChlore
MESANGER100/100
NitratespHChlore
MESQUER92/100
NitratespHChlore
MISSILLAC100/100
NitratespHChlore
MOISDON-LA-RIVIERE100/100
NitratespHChlore
MONNIERES100/100
NitratespHChlore
MONTAGNE (LA)100/100
NitratespHChlore
MONTBERT100/100
NitratespHChlore
MONTOIR-DE-BRETAGNE100/100
NitratespHChlore
MONTRELAIS100/100
NitratespHChlore
MOUAIS100/100
NitratespHChlore
MOUTIERS-EN-RETZ (LES)100/100
NitratespHChlore
MOUZEIL93/100
NitratespHChlore
MOUZILLON100/100
NitratespHChlore
NANTES100/100
NitratespHChlore
NORT-SUR-ERDRE94/100
NitratespHChlore
NOTRE-DAME-DES-LANDES93/100
NitratespHChlore
NOYAL-SUR-BRUTZ100/100
NitratespHChlore
NOZAY100/100
NitratespHChlore
ORVAULT100/100
NitratespHChlore
OUDON100/100
NitratespHChlore
PAIMBOEUF100/100
NitratespHChlore
PALLET (LE)100/100
NitratespHChlore
PANNECE100/100
NitratespHChlore
PAULX100/100
NitratespHChlore
PELLERIN (LE)100/100
NitratespHChlore
PETIT-AUVERNE92/100
NitratespHChlore
PETIT-MARS93/100
NitratespHChlore
PIERRIC100/100
NitratespHChlore
PIN (LE)100/100
NitratespHChlore
PIRIAC-SUR-MER93/100
NitratespHChlore
PLAINE-SUR-MER (LA)100/100
NitratespHChlore
PLANCHE (LA)100/100
NitratespHChlore
PLESSE100/100
NitratespHChlore
PONT-SAINT-MARTIN100/100
NitratespHChlore
PONTCHATEAU93/100
NitratespHChlore
PORNIC100/100
NitratespHChlore
PORNICHET100/100
NitratespHChlore
PORT-SAINT-PERE100/100
NitratespHChlore
POUILLE-LES-COTEAUX100/100
NitratespHChlore
POULIGUEN (LE)100/100
NitratespHChlore
PREFAILLES93/100
NitratespHChlore
PRINQUIAU100/100
NitratespHChlore
PUCEUL92/100
NitratespHChlore
QUILLY93/100
NitratespHChlore
REDON100/100
NitratespHChlore
REGRIPPIERE (LA)100/100
NitratespHChlore
REMAUDIERE (LA)100/100
NitratespHChlore
REMOUILLE100/100
NitratespHChlore
REZE100/100
NitratespHChlore
RIAILLE100/100
NitratespHChlore
ROCHE-BLANCHE (LA)100/100
NitratespHChlore
ROUANS100/100
NitratespHChlore
ROUGE100/100
NitratespHChlore
RUFFIGNE100/100
NitratespHChlore
SAFFRE93/100
NitratespHChlore
SAINT-AIGNAN-GRANDLIEU100/100
NitratespHChlore
SAINT-ANDRE-DES-EAUX100/100
NitratespHChlore
SAINT-AUBIN-DES-CHATEAUX92/100
NitratespHChlore
SAINT-BREVIN-LES-PINS100/100
NitratespHChlore
SAINT-COLOMBAN100/100
NitratespHChlore
SAINT-ETIENNE-DE-MER-MORTE100/100
NitratespHChlore
SAINT-ETIENNE-DE-MONTLUC100/100
NitratespHChlore
SAINT-FIACRE-SUR-MAINE100/100
NitratespHChlore
SAINT-GILDAS-DES-BOIS100/100
NitratespHChlore
SAINT-HERBLAIN100/100
NitratespHChlore
SAINT-HILAIRE-DE-CHALEONS100/100
NitratespHChlore
SAINT-HILAIRE-DE-CLISSON100/100
NitratespHChlore
SAINT-JEAN-DE-BOISEAU100/100
NitratespHChlore
SAINT-JOACHIM93/100
NitratespHChlore
SAINT-JULIEN-DE-CONCELLES100/100
NitratespHChlore
SAINT-JULIEN-DE-VOUVANTES93/100
NitratespHChlore
SAINT-LEGER-LES-VIGNES100/100
NitratespHChlore
SAINT-LUMINE-DE-CLISSON100/100
NitratespHChlore
SAINT-LUMINE-DE-COUTAIS100/100
NitratespHChlore
SAINT-LYPHARD100/100
NitratespHChlore
SAINT-MALO-DE-GUERSAC93/100
NitratespHChlore
SAINT-MARS-DE-COUTAIS100/100
NitratespHChlore
SAINT-MARS-DU-DESERT93/100
NitratespHChlore
SAINT-MICHEL-CHEF-CHEF100/100
NitratespHChlore
SAINT-MOLF100/100
NitratespHChlore
SAINT-NAZAIRE100/100
NitratespHChlore
SAINT-NICOLAS-DE-REDON100/100
NitratespHChlore
SAINT-PERE-EN-RETZ100/100
NitratespHChlore
SAINT-PHILBERT-DE-GRAND-LIEU100/100
NitratespHChlore
SAINT-SEBASTIEN-SUR-LOIRE100/100
NitratespHChlore
SAINT-VIAUD100/100
NitratespHChlore
SAINT-VINCENT-DES-LANDES100/100
NitratespHChlore
SAINTE-ANNE-SUR-BRIVET100/100
NitratespHChlore
SAINTE-LUCE-SUR-LOIRE100/100
NitratespHChlore
SAINTE-PAZANNE100/100
NitratespHChlore
SAINTE-REINE-DE-BRETAGNE93/100
NitratespHChlore
SAUTRON100/100
NitratespHChlore
SAVENAY100/100
NitratespHChlore
SEVERAC100/100
NitratespHChlore
SEVREMOINE93/100
NitratespHChlore
SION-LES-MINES100/100
NitratespHChlore
SORINIERES (LES)100/100
NitratespHChlore
SOUDAN100/100
NitratespHChlore
SOULVACHE100/100
NitratespHChlore
SUCE-SUR-ERDRE100/100
NitratespHChlore
TEILLE100/100
NitratespHChlore
TEMPLE-DE-BRETAGNE (LE)100/100
NitratespHChlore
THOUARE-SUR-LOIRE100/100
NitratespHChlore
TOUCHES (LES)93/100
NitratespHChlore
TOUVOIS100/100
NitratespHChlore
TRANS-SUR-ERDRE92/100
NitratespHChlore
TREFFIEUX100/100
NitratespHChlore
TREILLIERES100/100
NitratespHChlore
TRIGNAC100/100
NitratespHChlore
TURBALLE (LA)92/100
NitratespHChlore
VAIR-SUR-LOIRE100/100
NitratespHChlore
VALLET100/100
NitratespHChlore
VALLONS-DE-L'ERDRE100/100
NitratespHChlore
VAY93/100
NitratespHChlore
VERTOU100/100
NitratespHChlore
VIEILLEVIGNE100/100
NitratespHChlore
VIGNEUX-DE-BRETAGNE92/100
NitratespHChlore
VILLENEUVE-EN-RETZ100/100
NitratespHChlore
VILLEPOT100/100
NitratespHChlore
VUE100/100
NitratespHChlore
Rivières
Source : Hub'Eau qualité_rivieres · 128 stations
RAU DE LA GRANDE NOE OU RAU CHAUSSEE À LA CHEVROLIERE69/100
| pH | 7.5pH | 28/04/2026 | |
| Nitrates | 21.0mg/L | 28/04/2026 | |
| Temp. eau | 14.8°C | 28/04/2026 | |
| O2 saturation | 82.0% | 28/04/2026 | |
| MES | 376.0mg/L | 28/04/2026 |
Le Boivre à Saint-Père-en-Retz60/100
| pH | 8.6pH | 28/04/2026 | |
| Temp. eau | 21.0°C | 28/04/2026 | |
| MES | 446.0mg/L | 28/04/2026 | |
| O2 saturation | 130.0% | 28/04/2026 | |
| Conductivité | 11.9µS/cm | 28/04/2026 |
LOGNE à LIMOUZINIERE (LA)69/100
| pH | 7.8pH | 28/04/2026 | |
| Conductivité | 8.9µS/cm | 28/04/2026 | |
| Temp. eau | 13.9°C | 28/04/2026 | |
| O2 saturation | 85.0% | 28/04/2026 | |
| Ammonium | 6.4mg/L | 28/04/2026 |
FALLERON à MACHECOUL69/100
| Temp. eau | 17.0°C | 28/04/2026 | |
| Phosphore | 0.31mg/L | 28/04/2026 | |
| Ammonium | 6.8mg/L | 28/04/2026 | |
| MES | 434.0mg/L | 28/04/2026 | |
| O2 saturation | 80.0% | 28/04/2026 |
CANAL DE HAUTE PERCHE à PORNIC62/100
| Temp. eau | 20.3°C | 28/04/2026 | |
| O2 saturation | 162.0% | 28/04/2026 | |
| pH | 8.8pH | 28/04/2026 | |
| MES | 2090.0mg/L | 28/04/2026 | |
| Conductivité | 14.6µS/cm | 28/04/2026 |
BOULOGNE à SAINT-PHILBERT-DE-GRAND-LIEU75/100
| Ammonium | 6.0mg/L | 28/04/2026 | |
| Temp. eau | 15.4°C | 28/04/2026 | |
| Phosphore | 0.13mg/L | 28/04/2026 | |
| O2 saturation | 72.0% | 28/04/2026 | |
| pH | 7.7pH | 28/04/2026 |
ISAC à GUENROUET75/100
| O2 saturation | 115.0% | 24/04/2026 | |
| Phosphore | 0.1mg/L | 24/04/2026 | |
| MES | 413.0mg/L | 24/04/2026 | |
| Conductivité | 11.2µS/cm | 24/04/2026 | |
| pH | 7.6pH | 24/04/2026 |
RAU COULEE DU CHAUD À SAINT-ETIENNE-DE-MONTLUC75/100
| Temp. eau | 17.5°C | 24/04/2026 | |
| Phosphore | 0.14mg/L | 24/04/2026 | |
| Nitrates | 4.9mg/L | 24/04/2026 | |
| Conductivité | 10.0µS/cm | 24/04/2026 | |
| MES | 271.0mg/L | 24/04/2026 |
CENS à ORVAULT75/100
| Temp. eau | 15.3°C | 24/04/2026 | |
| Nitrates | 6.7mg/L | 24/04/2026 | |
| O2 saturation | 105.0% | 24/04/2026 | |
| Conductivité | 10.5µS/cm | 24/04/2026 | |
| MES | 226.0mg/L | 24/04/2026 |
GESVRES A TREILLIERES69/100
| Nitrates | 13.0mg/L | 24/04/2026 | |
| Ammonium | 4.8mg/L | 24/04/2026 | |
| O2 saturation | 97.0% | 24/04/2026 | |
| pH | 7.8pH | 24/04/2026 | |
| MES | 221.0mg/L | 24/04/2026 |
RAU DE GESVRES à CHAPELLE-SUR-ERDRE (LA)69/100
| Ammonium | 5.9mg/L | 24/04/2026 | |
| O2 saturation | 77.0% | 24/04/2026 | |
| MES | 262.0mg/L | 24/04/2026 | |
| pH | 8.0pH | 24/04/2026 | |
| Temp. eau | 14.0°C | 24/04/2026 |
RAU DE PONTCHATEAU ou RAU DE CUHIN à PONTCHATEAU60/100
| pH | 7.2pH | 24/04/2026 | |
| MES | 276.0mg/L | 24/04/2026 | |
| Temp. eau | 15.5°C | 24/04/2026 | |
| O2 saturation | 46.0% | 24/04/2026 | |
| Conductivité | 4.7µS/cm | 24/04/2026 |
CANAL DU MARAIS DE LA ROCHE À BOUEE69/100
| MES | 767.0mg/L | 24/04/2026 | |
| O2 saturation | 112.0% | 24/04/2026 | |
| Nitrates | 3.1mg/L | 24/04/2026 | |
| Phosphore | 0.33mg/L | 24/04/2026 | |
| Ammonium | 12.3mg/L | 24/04/2026 |
RAU DU PERCHE À VAY69/100
| Phosphore | 0.26mg/L | 23/04/2026 | |
| Temp. eau | 14.3°C | 23/04/2026 | |
| Conductivité | 8.2µS/cm | 23/04/2026 | |
| Ammonium | 8.2mg/L | 23/04/2026 | |
| pH | 7.7pH | 23/04/2026 |
CANAL DE NANTES A BREST à NORT-SUR-ERDRE75/100
| O2 saturation | 100.0% | 23/04/2026 | |
| Nitrates | 0.7mg/L | 23/04/2026 | |
| Ammonium | 10.5mg/L | 23/04/2026 | |
| MES | 351.0mg/L | 23/04/2026 | |
| Conductivité | 9.9µS/cm | 23/04/2026 |
ERDRE à NORT-SUR-ERDRE69/100
| Conductivité | 10.9µS/cm | 23/04/2026 | |
| Ammonium | 5.4mg/L | 23/04/2026 | |
| pH | 7.9pH | 23/04/2026 | |
| Temp. eau | 15.3°C | 23/04/2026 | |
| O2 saturation | 107.0% | 23/04/2026 |
RAU DE LA DECHAUSSERIE OU SAINT-MEDARD À ST-MARS-DU-DESERT69/100
| Phosphore | 0.47mg/L | 23/04/2026 | |
| Conductivité | 10.7µS/cm | 23/04/2026 | |
| pH | 8.0pH | 23/04/2026 | |
| Nitrates | 8.9mg/L | 23/04/2026 | |
| O2 saturation | 103.0% | 23/04/2026 |
R CONE À JANS69/100
| Ammonium | 5.5mg/L | 23/04/2026 | |
| Conductivité | 10.4µS/cm | 23/04/2026 | |
| pH | 8.0pH | 23/04/2026 | |
| Phosphore | 0.07mg/L | 23/04/2026 | |
| O2 saturation | 96.0% | 23/04/2026 |
RAU DE SAUZIGNAC A TREFFIEUX62/100
| Nitrates | 26.0mg/L | 22/04/2026 | |
| pH | 8.0pH | 22/04/2026 | |
| Temp. eau | 13.2°C | 22/04/2026 | |
| O2 saturation | 102.0% | 22/04/2026 | |
| MES | 281.0mg/L | 22/04/2026 |
CHERE à CHATEAUBRIANT62/100
| Ammonium | 4.9mg/L | 22/04/2026 | |
| MES | 463.0mg/L | 22/04/2026 | |
| Nitrates | 18.0mg/L | 22/04/2026 | |
| Conductivité | 10.3µS/cm | 22/04/2026 | |
| Phosphore | 0.29mg/L | 22/04/2026 |
Nappes phréatiques
Source : Hub'Eau niveaux_nappes · 0 stations
Aucune donnée nappe disponible.