Pays de la Loire · Département 53
Mayenne
243 communes suivies
115 stations rivières
13 stations nappes
Mis à jour le 07/09/2026 à 17:29
87
/100
Bonne qualité
Eau potable
Eau potable
Source : ARS via Hub'Eau · 243 communes
≥80
50-79
<50
AHUILLE100/100
NitratesPesticidesTHM
ALEXAIN83/100
NitratesPesticidesTHM
AMBRIERES-LES-VALLEES100/100
NitratesPesticidesTHM
ANDOUILLE100/100
NitratesTHM
ARGENTRE83/100
NitratesPesticidesTHM
ARON100/100
NitratesTHM
ARQUENAY75/100
NitratesTHM
ASSE-LE-BERENGER83/100
NitratesPesticidesTHM
ASTILLE75/100
NitratesTHM
ATHEE75/100
NitratesTHM
AVERTON100/100
NitratesTHM
BACONNIERE (LA)75/100
NitratesTHM
BAIS75/100
NitratesTHM
BALLOTS75/100
NitratesTHM
BANNES75/100
NitratesTHM
BAZOGE-MONTPINCON (LA)75/100
NitratesTHM
BAZOUGE-DE-CHEMERE (LA)83/100
NitratesPesticidesTHM
BAZOUGE-DES-ALLEUX (LA)100/100
NitratesTHM
BAZOUGERS75/100
NitratesTHM
BEAULIEU-SUR-OUDON75/100
NitratesTHM
BEAUMONT-PIED-DE-BOEUF75/100
NitratesTHM
BELGEARD83/100
NitratesPesticidesTHM
BIERNE-LES-VILLAGES100/100
NitratesTHM
BIGNON-DU-MAINE (LE)75/100
NitratesTHM
BIGOTTIERE (LA)100/100
NitratesTHM
BLANDOUET-SAINT JEAN75/100
NitratesTHM
BOISSIERE (LA)100/100
NitratesTHM
BONCHAMP-LES-LAVAL83/100
NitratesPesticidesTHM
BOUCHAMPS-LES-CRAON100/100
NitratesTHM
BOUERE75/100
NitratesTHM
BOUESSAY75/100
NitratesTHM
BOULAY-LES-IFS100/100
NitratesTHM
BOURGNEUF-LA-FORET (LE)100/100
NitratesPesticidesTHM
BOURGON75/100
NitratesTHM
BRAINS-SUR-LES-MARCHES50/100
NitratesTHM
BRECE75/100
NitratesTHM
BREE100/100
THM
BRULATTE (LA)100/100
NitratesTHM
BURET (LE)100/100
NitratesPesticidesTHM
CARELLES83/100
NitratesPesticidesTHM
CHAILLAND100/100
NitratesPesticidesTHM
CHALONS-DU-MAINE100/100
NitratesPesticidesTHM
CHAMPEON83/100
NitratesPesticidesTHM
CHAMPFREMONT100/100
NitratesPesticidesTHM
CHAMPGENETEUX50/100
NitratesTHM
CHANGE100/100
NitratesPesticidesTHM
CHANTRIGNE100/100
NitratesPesticidesTHM
CHAPELLE-ANTHENAISE (LA)75/100
NitratesTHM
CHAPELLE-AU-RIBOUL (LA)100/100
NitratesTHM
CHAPELLE-CRAONNAISE (LA)75/100
NitratesTHM
CHAPELLE-RAINSOUIN (LA)75/100
NitratesTHM
CHARCHIGNE100/100
NitratesTHM
CHATEAU-GONTIER-SUR-MAYENNE100/100
NitratesPesticidesTHM
CHATELAIN100/100
THM
CHATILLON-SUR-COLMONT83/100
NitratesPesticidesTHM
CHEMAZE83/100
NitratesPesticidesTHM
CHEMERE-LE-ROI75/100
NitratesTHM
CHERANCE50/100
NitratesTHM
CHEVAIGNE-DU-MAINE100/100
NitratesTHM
COLOMBIERS-DU-PLESSIS75/100
NitratesTHM
COMMER100/100
NitratesPesticidesTHM
CONGRIER100/100
NitratesTHM
CONTEST75/100
NitratesTHM
COSMES75/100
NitratesTHM
COSSE-EN-CHAMPAGNE75/100
NitratesTHM
COSSE-LE-VIVIEN100/100
NitratesPesticidesTHM
COUDRAY75/100
NitratesTHM
COUESMES-VAUCE100/100
NitratesTHM
COUPTRAIN100/100
Nitrates
COURBEVEILLE75/100
NitratesTHM
COURCITE75/100
NitratesTHM
CRAON100/100
NitratesTHM
CRENNES-SUR-FRAUBEE100/100
NitratesPesticidesTHM
CROIXILLE (LA)75/100
NitratesTHM
CROPTE (LA)50/100
NitratesPesticidesTHM
CUILLE75/100
NitratesTHM
DAON100/100
NitratesPesticidesTHM
DENAZE50/100
Nitrates
DESERTINES75/100
NitratesTHM
DOREE (LA)75/100
NitratesTHM
ENTRAMMES100/100
NitratesTHM
ERNEE83/100
NitratesPesticidesTHM
EVRON83/100
NitratesPesticidesTHM
FONTAINE-COUVERTE100/100
NitratesTHM
FORCE75/100
NitratesTHM
FOUGERES83/100
NitratesPesticidesTHM
FOUGEROLLES-DU-PLESSIS75/100
NitratesTHM
FROMENTIERES100/100
NitratesTHM
GASTINES75/100
NitratesTHM
GENEST-SAINT-ISLE (LE)100/100
NitratesTHM
GENNES-LONGUEFUYE100/100
NitratesTHM
GESNES100/100
NitratesTHM
GESVRES100/100
NitratesTHM
GORRON83/100
NitratesPesticidesTHM
GRAVELLE (LA)100/100
NitratesTHM
GRAZAY100/100
NitratesPesticidesTHM
GREZ-EN-BOUERE83/100
NitratesPesticidesTHM
HAIE-TRAVERSAINE (LA)83/100
NitratesPesticidesTHM
HAM (LE)100/100
NitratesTHM
HAMBERS83/100
NitratesPesticidesTHM
HARDANGES100/100
NitratesPesticidesTHM
HERCE75/100
NitratesTHM
HORPS (LE)100/100
NitratesPesticidesTHM
HOUSSAY75/100
NitratesTHM
HOUSSEAU-BRETIGNOLLES (LE)100/100
NitratesTHM
HUISSERIE (L')100/100
NitratesTHM
IZE50/100
NitratesTHM
JAVRON-LES-CHAPELLES100/100
NitratesPesticidesTHM
JUBLAINS75/100
NitratesTHM
JUVIGNE83/100
NitratesPesticidesTHM
LANDIVY75/100
NitratesTHM
LARCHAMP75/100
NitratesTHM
LASSAY-LES-CHATEAUX100/100
NitratesPesticidesTHM
LAUBRIERES75/100
NitratesTHM
LAUNAY-VILLIERS100/100
NitratesTHM
LAVAL100/100
NitratesPesticidesTHM
LESBOIS75/100
NitratesTHM
LEVARE75/100
NitratesTHM
LIGNIERES-ORGERES83/100
NitratesPesticidesTHM
LIVET83/100
NitratesPesticidesTHM
LIVRE-LA-TOUCHE83/100
NitratesPesticidesTHM
LOIRON-RUILLE83/100
NitratesPesticidesTHM
LOUPFOUGERES83/100
NitratesPesticidesTHM
LOUVERNE83/100
NitratesPesticidesTHM
LOUVIGNE100/100
NitratesTHM
MADRE100/100
NitratesTHM
MAISONCELLES-DU-MAINE83/100
NitratesPesticidesTHM
MARCILLE-LA-VILLE83/100
NitratesPesticidesTHM
MARIGNE-PEUTON75/100
NitratesTHM
MARTIGNE-SUR-MAYENNE83/100
NitratesPesticidesTHM
MAYENNE100/100
NitratesTHM
MEE75/100
NitratesTHM
MENIL75/100
NitratesTHM
MERAL75/100
NitratesTHM
MESLAY-DU-MAINE100/100
NitratesPesticidesTHM
MEZANGERS75/100
NitratesTHM
MONTAUDIN83/100
NitratesPesticidesTHM
MONTENAY75/100
NitratesTHM
MONTFLOURS50/100
NitratesTHM
MONTIGNE-LE-BRILLANT100/100
NitratesTHM
MONTJEAN75/100
NitratesTHM
MONTREUIL-POULAY100/100
NitratesTHM
MONTSURS100/100
NitratesPesticidesTHM
MOULAY100/100
NitratesTHM
NEAU75/100
NitratesTHM
NEUILLY-LE-VENDIN100/100
Nitrates
NIAFLES75/100
NitratesTHM
NUILLE-SUR-VICOIN100/100
NitratesTHM
OISSEAU83/100
NitratesPesticidesTHM
OLIVET100/100
NitratesTHM
OMBREE D'ANJOU100/100
NitratesPesticidesTHM
ORIGNE75/100
NitratesTHM
PALLU (LA)100/100
NitratesTHM
PARIGNE-SUR-BRAYE100/100
NitratesTHM
PARNE-SUR-ROC75/100
NitratesTHM
PAS (LE)100/100
NitratesTHM
PELLERINE (LA)75/100
NitratesTHM
PERTRE (LE)100/100
NitratesPesticidesTHM
PEUTON75/100
NitratesTHM
PLACE75/100
NitratesTHM
POMMERIEUX100/100
NitratesTHM
PONTMAIN75/100
NitratesTHM
PORT-BRILLET100/100
NitratesPesticidesTHM
PRE-EN-PAIL-SAINT-SAMSON100/100
NitratesPesticidesTHM
PREAUX83/100
NitratesPesticidesTHM
PREE-D'ANJOU75/100
NitratesTHM
QUELAINES-SAINT-GAULT75/100
NitratesTHM
RAVIGNY100/100
NitratesTHM
RENAZE100/100
NitratesPesticidesTHM
RENNES-EN-GRENOUILLES100/100
NitratesTHM
RIBAY (LE)100/100
NitratesPesticidesTHM
ROCHE-NEUVILLE (LA)75/100
NitratesTHM
ROE (LA)75/100
NitratesTHM
ROUAUDIERE (LA)100/100
NitratesTHM
RUILLE-FROID-FONDS100/100
NitratesTHM
SACE100/100
NitratesTHM
SAINT-AIGNAN-DE-COUPTRAIN100/100
NitratesTHM
SAINT-AIGNAN-SUR-ROE100/100
NitratesTHM
SAINT-AUBIN-DU-DESERT75/100
NitratesTHM
SAINT-AUBIN-FOSSE-LOUVAIN75/100
NitratesTHM
SAINT-BAUDELLE100/100
NitratesTHM
SAINT-BERTHEVIN100/100
NitratesPesticidesTHM
SAINT-BERTHEVIN-LA-TANNIERE75/100
NitratesTHM
SAINT-BRICE75/100
NitratesTHM
SAINT-CALAIS-DU-DESERT100/100
Nitrates
SAINT-CHARLES-LA-FORET100/100
NitratesTHM
SAINT-CYR-EN-PAIL100/100
NitratesPesticidesTHM
SAINT-CYR-LE-GRAVELAIS100/100
NitratesPesticidesTHM
SAINT-DENIS-D'ANJOU100/100
NitratesTHM
SAINT-DENIS-DE-GASTINES83/100
NitratesPesticidesTHM
SAINT-DENIS-DU-MAINE75/100
NitratesTHM
SAINT-ELLIER-DU-MAINE75/100
NitratesTHM
SAINT-ERBLON100/100
NitratesTHM
SAINT-FRAIMBAULT-DE-PRIERES100/100
NitratesPesticidesTHM
SAINT-GEORGES-BUTTAVENT100/100
NitratesPesticidesTHM
SAINT-GEORGES-LE-FLECHARD75/100
NitratesTHM
SAINT-GEORGES-SUR-ERVE83/100
NitratesPesticidesTHM
SAINT-GERMAIN-D'ANXURE75/100
NitratesTHM
SAINT-GERMAIN-DE-COULAMER75/100
NitratesTHM
SAINT-GERMAIN-LE-FOUILLOUX75/100
NitratesTHM
SAINT-GERMAIN-LE-GUILLAUME100/100
NitratesTHM
SAINT-HILAIRE-DU-MAINE83/100
NitratesPesticidesTHM
SAINT-JEAN-SUR-MAYENNE100/100
NitratesPesticidesTHM
SAINT-JULIEN-DU-TERROUX100/100
NitratesTHM
SAINT-LEGER75/100
NitratesTHM
SAINT-LOUP-DU-DORAT75/100
NitratesTHM
SAINT-LOUP-DU-GAST75/100
NitratesTHM
SAINT-MARS-DU-DESERT75/100
NitratesTHM
SAINT-MARS-SUR-COLMONT100/100
NitratesTHM
SAINT-MARS-SUR-LA-FUTAIE83/100
NitratesPesticidesTHM
SAINT-MARTIN-DU-LIMET100/100
NitratesTHM
SAINT-MICHEL-DE-LA-ROE100/100
NitratesTHM
SAINT-OUEN-DES-TOITS100/100
NitratesTHM
SAINT-PIERRE-DES-LANDES75/100
NitratesTHM
SAINT-PIERRE-DES-NIDS100/100
NitratesPesticidesTHM
SAINT-PIERRE-LA-COUR100/100
NitratesTHM
SAINT-PIERRE-SUR-ERVE75/100
NitratesTHM
SAINT-POIX100/100
NitratesTHM
SAINT-QUENTIN-LES-ANGES75/100
NitratesTHM
SAINT-SATURNIN-DU-LIMET100/100
NitratesTHM
SAINT-THOMAS-DE-COURCERIERS100/100
NitratesTHM
SAINTE-GEMMES-LE-ROBERT83/100
NitratesPesticidesTHM
SAINTE-MARIE-DU-BOIS100/100
Nitrates
SAINTE-SUZANNE-ET-CHAMMES 75/100
NitratesTHM
SAULGES83/100
NitratesPesticidesTHM
SELLE-CRAONNAISE (LA)100/100
NitratesTHM
SENONNES100/100
NitratesTHM
SIMPLE75/100
NitratesTHM
SOUCE100/100
NitratesTHM
SOULGE-SUR-OUETTE75/100
NitratesTHM
THORIGNE-EN-CHARNIE75/100
NitratesTHM
THUBOEUF100/100
NitratesTHM
TORCE-VIVIERS-EN-CHARNIE83/100
NitratesPesticidesTHM
TRANS100/100
NitratesTHM
VAIGES83/100
NitratesPesticidesTHM
VAL-DU-MAINE100/100
NitratesPesticidesTHM
VAUTORTE100/100
NitratesTHM
VIEUVY83/100
NitratesPesticidesTHM
VILLAINES-LA-JUHEL83/100
NitratesPesticidesTHM
VILLEPAIL100/100
NitratesPesticidesTHM
VILLIERS-CHARLEMAGNE100/100
NitratesPesticidesTHM
VIMARTIN-SUR-ORTHE83/100
NitratesPesticidesTHM
VOUTRE83/100
NitratesPesticidesTHM
Rivières
Source : Hub'Eau qualité_rivieres · 115 stations
LA HOGUE A SAINT-BERTHEVIN-LA-TANNIERE 162/100
| pH | 7.2pH | 29/05/2026 | |
| Conductivité | 9.1µS/cm | 29/05/2026 | |
| Temp. eau | 21.7°C | 29/05/2026 | |
| MES | 200.0mg/L | 29/05/2026 | |
| O2 saturation | 103.7% | 29/05/2026 |
CHERAN à LA BOISSIERE62/100
| Temp. eau | 16.0°C | 21/05/2026 | |
| pH | 8.4pH | 21/05/2026 | |
| Nitrates | 14.0mg/L | 21/05/2026 | |
| Ammonium | 5.2mg/L | 21/05/2026 | |
| Phosphore | 0.35mg/L | 21/05/2026 |
CHERAN à CONGRIER62/100
| MES | 334.0mg/L | 21/05/2026 | |
| Temp. eau | 14.6°C | 21/05/2026 | |
| Conductivité | 7.5µS/cm | 21/05/2026 | |
| Nitrates | 37.0mg/L | 21/05/2026 | |
| pH | 7.5pH | 21/05/2026 |
RAU DE LA PELLETERIE A BALLOTS69/100
| Temp. eau | 14.8°C | 21/05/2026 | |
| pH | 8.1pH | 21/05/2026 | |
| O2 saturation | 86.0% | 21/05/2026 | |
| Conductivité | 8.8µS/cm | 21/05/2026 | |
| MES | 335.0mg/L | 21/05/2026 |
RAU DE BARAIZE À SAINT-DENIS-D'ANJOU80/100
| MES | 484.0mg/L | 20/05/2026 | |
| Conductivité | 8.2µS/cm | 20/05/2026 | |
| O2 saturation | 80.0% | 20/05/2026 | |
| Temp. eau | 14.8°C | 20/05/2026 | |
| pH | 8.2pH | 20/05/2026 |
MAYENNE à LOIGNE-SUR-MAYENNE69/100
| O2 saturation | 96.0% | 20/05/2026 | |
| pH | 7.9pH | 20/05/2026 | |
| Ammonium | 6.8mg/L | 20/05/2026 | |
| Phosphore | 0.18mg/L | 20/05/2026 | |
| MES | 245.0mg/L | 20/05/2026 |
JOUANNE à FORCE69/100
| Temp. eau | 14.7°C | 20/05/2026 | |
| O2 saturation | 91.0% | 20/05/2026 | |
| Conductivité | 9.4µS/cm | 20/05/2026 | |
| MES | 353.0mg/L | 20/05/2026 | |
| pH | 8.5pH | 20/05/2026 |
RAU ROLLON A SAINT-PIERRE-DES-LANDES80/100
| O2 saturation | 102.0% | 06/05/2026 | |
| MES | 184.0mg/L | 06/05/2026 | |
| Conductivité | 10.4µS/cm | 06/05/2026 | |
| pH | 7.7pH | 06/05/2026 | |
| Temp. eau | 13.8°C | 06/05/2026 |
VARENNE à SOUCE69/100
| Conductivité | 10.9µS/cm | 06/05/2026 | |
| O2 saturation | 104.0% | 06/05/2026 | |
| Temp. eau | 13.1°C | 06/05/2026 | |
| Ammonium | 11.6mg/L | 06/05/2026 | |
| Nitrates | 15.0mg/L | 06/05/2026 |
RAU DE VILLENEUVE A CHAILLAND80/100
| pH | 7.6pH | 06/05/2026 | |
| MES | 247.0mg/L | 06/05/2026 | |
| Conductivité | 10.7µS/cm | 06/05/2026 | |
| O2 saturation | 103.0% | 06/05/2026 | |
| Temp. eau | 13.4°C | 06/05/2026 |
RAU AVERSALE À LE PAS62/100
| pH | 7.6pH | 06/05/2026 | |
| Conductivité | 9.7µS/cm | 06/05/2026 | |
| O2 saturation | 95.0% | 06/05/2026 | |
| MES | 239.0mg/L | 06/05/2026 | |
| Temp. eau | 13.5°C | 06/05/2026 |
RAU DE LA DOUARDIERE à THUBOEUF80/100
| pH | 7.7pH | 06/05/2026 | |
| Conductivité | 10.2µS/cm | 06/05/2026 | |
| Temp. eau | 12.8°C | 06/05/2026 | |
| MES | 314.0mg/L | 06/05/2026 | |
| O2 saturation | 98.0% | 06/05/2026 |
AISNE à NEUILLY-LE-VENDIN62/100
| Conductivité | 10.7µS/cm | 06/05/2026 | |
| pH | 8.3pH | 06/05/2026 | |
| Temp. eau | 12.4°C | 06/05/2026 | |
| O2 saturation | 101.0% | 06/05/2026 | |
| MES | 189.0mg/L | 06/05/2026 |
MAYENNE à AMBRIERES-LES-VALLEES62/100
| Phosphore | 0.31mg/L | 06/05/2026 | |
| MES | 160.0mg/L | 06/05/2026 | |
| Temp. eau | 13.1°C | 06/05/2026 | |
| O2 saturation | 93.0% | 06/05/2026 | |
| Conductivité | 9.7µS/cm | 06/05/2026 |
RAU LE BURON A LE PAS62/100
| MES | 228.0mg/L | 06/05/2026 | |
| Conductivité | 9.8µS/cm | 06/05/2026 | |
| Temp. eau | 13.8°C | 06/05/2026 | |
| O2 saturation | 96.0% | 06/05/2026 | |
| pH | 7.4pH | 06/05/2026 |
RAU DE MONTGUERET A MONTENAY80/100
| O2 saturation | 95.0% | 06/05/2026 | |
| Temp. eau | 13.4°C | 06/05/2026 | |
| MES | 237.0mg/L | 06/05/2026 | |
| Conductivité | 9.8µS/cm | 06/05/2026 | |
| pH | 7.5pH | 06/05/2026 |
COLMONT à LA HAIE-TRAVERSAINE62/100
| Temp. eau | 13.9°C | 06/05/2026 | |
| pH | 7.8pH | 06/05/2026 | |
| Ammonium | 11.8mg/L | 06/05/2026 | |
| O2 saturation | 105.0% | 06/05/2026 | |
| Phosphore | 0.4mg/L | 06/05/2026 |
HIERE à CHERANCE62/100
| O2 saturation | 98.0% | 14/04/2026 | |
| Ammonium | 4.6mg/L | 14/04/2026 | |
| Conductivité | 10.5µS/cm | 14/04/2026 | |
| Nitrates | 36.0mg/L | 14/04/2026 | |
| pH | 8.0pH | 14/04/2026 |
RAU DU PONT PERDREAU A AZE62/100
| O2 saturation | 102.0% | 10/04/2026 | |
| pH | 8.1pH | 10/04/2026 | |
| Phosphore | 0.25mg/L | 10/04/2026 | |
| Nitrates | 19.0mg/L | 10/04/2026 | |
| Conductivité | 10.8µS/cm | 10/04/2026 |
OUETTE à ENTRAMMES69/100
| Ammonium | 4.9mg/L | 10/04/2026 | |
| pH | 8.3pH | 10/04/2026 | |
| Phosphore | 0.07mg/L | 10/04/2026 | |
| MES | 470.0mg/L | 10/04/2026 | |
| Temp. eau | 13.3°C | 10/04/2026 |
Nappes phréatiques
Source : Hub'Eau niveaux_nappes · 13 stations
Château-Gontier-sur-Mayenne
Niveau : N.C.—
Grez-en-Bouère
Niveau : N.C.—
Ballots
Niveau : N.C.—
Commer
Niveau : N.C.—
Ernée
Niveau : N.C.—
Saint-Christophe-du-Luat
Niveau : N.C.—
Pré-en-Pail-Saint-Samson
Niveau : N.C.—
Le Horps
Niveau : N.C.—
Laval
Niveau : N.C.—
Vimartin-sur-Orthe
Niveau : N.C.—
La Gravelle
Niveau : N.C.—
Château-Gontier-sur-Mayenne
Niveau : N.C.—
Saint-Pierre-sur-Erve
Niveau : N.C.—
Qualité de l'air
Source : Atmo Occitanie
?N.C. (0)
NO₂ : BonO₃ : MoyenPM10 : BonPM2.5 : BonSO₂ : N.C.
Date : 09/09/2026
?N.C. (0)
NO₂ : BonO₃ : MoyenPM10 : BonPM2.5 : BonSO₂ : N.C.
Date : 09/09/2026
?N.C. (0)
NO₂ : BonO₃ : MoyenPM10 : BonPM2.5 : BonSO₂ : N.C.
Date : 09/09/2026
?N.C. (0)
NO₂ : BonO₃ : MoyenPM10 : BonPM2.5 : BonSO₂ : N.C.
Date : 09/09/2026
?N.C. (0)
NO₂ : BonO₃ : MoyenPM10 : BonPM2.5 : BonSO₂ : N.C.
Date : 09/09/2026
Pollen
Source : Atmo Occitanie
Données pollen non disponibles pour ce département.