Bretagne · Département 29
Finistère
277 communes suivies
231 stations rivières
16 stations nappes
Mis à jour le 11/04/2026 à 19:39
97
/100
Bonne qualité
Eau potable
Eau potable
Source : ARS via Hub'Eau · 277 communes
≥80
50-79
<50
ARGOL100/100
NitratespHChlore
ARZANO100/100
NitratespHChlore
AUDIERNE92/100
NitratespHChlore
BANNALEC94/100
NitratespHChlore
BAYE100/100
NitratespHChlore
BENODET100/100
NitratespHChlore
BERRIEN100/100
NitratespHChlore
BEUZEC-CAP-SIZUN92/100
NitratespHChlore
BODILIS100/100
NitratespHChlore
BOHARS100/100
NitratespHChlore
BOLAZEC100/100
NitratespHChlore
BOTMEUR100/100
NitratespHChlore
BOTSORHEL79/100
NitratespHChlore
BOURG-BLANC100/100
NitratespHChlore
BRASPARTS100/100
NitratespHChlore
BRELES92/100
NitratespHChlore
BRENNILIS100/100
NitratespHChlore
BREST100/100
NitratespHChlore
BRIEC100/100
NitratespHChlore
CAMARET-SUR-MER100/100
NitratespHChlore
CARANTEC92/100
NitratespHChlore
CARHAIX-PLOUGUER88/100
NitratespHChlore
CAST94/100
NitratespHChlore
CHATEAULIN100/100
NitratespHChlore
CHATEAUNEUF-DU-FAOU100/100
NitratespHChlore
CLEDEN-CAP-SIZUN83/100
NitratespHChlore
CLEDEN-POHER100/100
NitratespHChlore
CLEDER100/100
NitratespHChlore
CLOHARS-CARNOET100/100
NitratespHChlore
CLOHARS-FOUESNANT100/100
NitratespHChlore
CLOITRE-PLEYBEN (LE)100/100
NitratespHChlore
CLOITRE-SAINT-THEGONNEC (LE)86/100
NitratespHChlore
COAT-MEAL93/100
NitratespHChlore
COLLOREC100/100
NitratespHChlore
COMBRIT92/100
NitratespHChlore
COMMANA100/100
NitratespHChlore
CONCARNEAU100/100
NitratespHChlore
CONFORT-MEILARS92/100
NitratespHChlore
CONQUET (LE)100/100
NitratespHChlore
CORAY100/100
NitratespHChlore
CROZON100/100
NitratespHChlore
DAOULAS100/100
NitratespHChlore
DINEAULT100/100
NitratespHChlore
DIRINON100/100
NitratespHChlore
DOUARNENEZ88/100
NitratespHChlore
DRENNEC (LE)100/100
NitratespHChlore
EDERN100/100
NitratespHChlore
ELLIANT93/100
NitratespHChlore
ERGUE-GABERIC100/100
NitratespHChlore
FAOU (LE)100/100
NitratespHChlore
FEUILLEE (LA)100/100
NitratespHChlore
FOLGOET (LE)92/100
NitratespHChlore
FOREST-LANDERNEAU (LA)94/100
NitratespHChlore
FORET-FOUESNANT (LA)92/100
NitratespHChlore
FOUESNANT100/100
NitratespHChlore
GARLAN92/100
NitratespHChlore
GOUESNACH100/100
NitratespHChlore
GOUESNOU93/100
NitratespHChlore
GOUEZEC100/100
NitratespHChlore
GOULIEN86/100
NitratespHChlore
GOULVEN100/100
NitratespHChlore
GOURLIZON100/100
NitratespHChlore
GUENGAT92/100
NitratespHChlore
GUERLESQUIN100/100
NitratespHChlore
GUICLAN100/100
NitratespHChlore
GUILER-SUR-GOYEN92/100
NitratespHChlore
GUILERS93/100
NitratespHChlore
GUILLIGOMARC'H94/100
NitratespHChlore
GUILVINEC100/100
NitratespHChlore
GUIMAEC92/100
NitratespHChlore
GUIMILIAU100/100
NitratespHChlore
GUIPAVAS92/100
NitratespHChlore
GUISSENY92/100
NitratespHChlore
HANVEC100/100
NitratespHChlore
HENVIC100/100
NitratespHChlore
HOPITAL-CAMFROUT100/100
NitratespHChlore
HUELGOAT100/100
NitratespHChlore
ILE-DE-BATZ100/100
NitratespHChlore
ILE-DE-SEIN100/100
NitratespHChlore
ILE-MOLENE100/100
NitratespHChlore
ILE-TUDY100/100
NitratespHChlore
IRVILLAC100/100
NitratespHChlore
JUCH (LE)86/100
NitratespHChlore
KERGLOFF92/100
NitratespHChlore
KERLAZ100/100
NitratespHChlore
KERLOUAN92/100
NitratespHChlore
KERNILIS93/100
NitratespHChlore
KERNOUES92/100
NitratespHChlore
KERSAINT-PLABENNEC92/100
NitratespHChlore
LAMPAUL-GUIMILIAU100/100
NitratespHChlore
LAMPAUL-PLOUARZEL100/100
NitratespHChlore
LAMPAUL-PLOUDALMEZEAU92/100
NitratespHChlore
LANARVILY92/100
NitratespHChlore
LANDEDA93/100
NitratespHChlore
LANDELEAU94/100
NitratespHChlore
LANDERNEAU100/100
NitratespHChlore
LANDEVENNEC92/100
NitratespHChlore
LANDIVISIAU100/100
NitratespHChlore
LANDREVARZEC100/100
NitratespHChlore
LANDUDAL93/100
NitratespHChlore
LANDUDEC93/100
NitratespHChlore
LANDUNVEZ93/100
NitratespHChlore
LANGOLEN93/100
NitratespHChlore
LANHOUARNEAU100/100
NitratespHChlore
LANILDUT92/100
NitratespHChlore
LANMEUR100/100
NitratespHChlore
LANNEANOU100/100
NitratespHChlore
LANNEDERN100/100
NitratespHChlore
LANNEUFFRET100/100
NitratespHChlore
LANNILIS100/100
NitratespHChlore
LANRIVOARE92/100
NitratespHChlore
LANVEOC92/100
NitratespHChlore
LAZ100/100
NitratespHChlore
LENNON100/100
NitratespHChlore
LESNEVEN93/100
NitratespHChlore
LEUHAN93/100
NitratespHChlore
LOC-BREVALAIRE92/100
NitratespHChlore
LOC-EGUINER100/100
NitratespHChlore
LOCMARIA-PLOUZANE93/100
NitratespHChlore
LOCMELAR93/100
NitratespHChlore
LOCQUENOLE100/100
NitratespHChlore
LOCQUIREC100/100
NitratespHChlore
LOCRONAN93/100
NitratespHChlore
LOCTUDY100/100
NitratespHChlore
LOCUNOLE100/100
NitratespHChlore
LOGONNA-DAOULAS100/100
NitratespHChlore
LOPEREC93/100
NitratespHChlore
LOPERHET100/100
NitratespHChlore
LOQUEFFRET100/100
NitratespHChlore
LOTHEY100/100
NitratespHChlore
MAHALON92/100
NitratespHChlore
MARTYRE (LA)100/100
NitratespHChlore
MELGVEN100/100
NitratespHChlore
MELLAC100/100
NitratespHChlore
MESPAUL100/100
NitratespHChlore
MILIZAC-GUIPRONVEL100/100
NitratespHChlore
MOELAN-SUR-MER100/100
NitratespHChlore
MORLAIX93/100
NitratespHChlore
MOTREFF100/100
NitratespHChlore
NEVEZ100/100
NitratespHChlore
OUESSANT100/100
NitratespHChlore
PENCRAN100/100
NitratespHChlore
PENMARCH100/100
NitratespHChlore
PEUMERIT100/100
NitratespHChlore
PLABENNEC100/100
NitratespHChlore
PLEUVEN100/100
NitratespHChlore
PLEYBEN93/100
NitratespHChlore
PLEYBER-CHRIST100/100
NitratespHChlore
PLOBANNALEC-LESCONIL92/100
NitratespHChlore
PLOEVEN100/100
NitratespHChlore
PLOGASTEL-SAINT-GERMAIN100/100
NitratespHChlore
PLOGOFF92/100
NitratespHChlore
PLOGONNEC92/100
NitratespHChlore
PLOMELIN93/100
NitratespHChlore
PLOMEUR92/100
NitratespHChlore
PLOMODIERN100/100
NitratespHChlore
PLONEIS100/100
NitratespHChlore
PLONEOUR-LANVERN100/100
NitratespHChlore
PLONEVEZ-DU-FAOU100/100
NitratespHChlore
PLONEVEZ-PORZAY92/100
NitratespHChlore
PLOUARZEL92/100
NitratespHChlore
PLOUDALMEZEAU83/100
NitratespHChlore
PLOUDANIEL93/100
NitratespHChlore
PLOUDIRY100/100
NitratespHChlore
PLOUEDERN93/100
NitratespHChlore
PLOUEGAT-GUERAND100/100
NitratespHChlore
PLOUEGAT-MOYSAN100/100
NitratespHChlore
PLOUENAN100/100
NitratespHChlore
PLOUESCAT100/100
NitratespHChlore
PLOUEZOC'H100/100
NitratespHChlore
PLOUGAR100/100
NitratespHChlore
PLOUGASNOU100/100
NitratespHChlore
PLOUGASTEL-DAOULAS100/100
NitratespHChlore
PLOUGONVELIN92/100
NitratespHChlore
PLOUGONVEN79/100
NitratespHChlore
PLOUGOULM100/100
NitratespHChlore
PLOUGOURVEST100/100
NitratespHChlore
PLOUGUERNEAU100/100
NitratespHChlore
PLOUGUIN93/100
NitratespHChlore
PLOUHINEC94/100
NitratespHChlore
PLOUIDER92/100
NitratespHChlore
PLOUIGNEAU100/100
NitratespHChlore
PLOUMOGUER92/100
NitratespHChlore
PLOUNEOUR-BRIGNOGAN-PLAGES100/100
NitratespHChlore
PLOUNEOUR-MENEZ93/100
NitratespHChlore
PLOUNEVENTER100/100
NitratespHChlore
PLOUNEVEZ-LOCHRIST100/100
NitratespHChlore
PLOUNEVEZEL83/100
NitratespHChlore
PLOURIN92/100
NitratespHChlore
PLOURIN-LES-MORLAIX92/100
NitratespHChlore
PLOUVIEN100/100
NitratespHChlore
PLOUVORN100/100
NitratespHChlore
PLOUYE100/100
NitratespHChlore
PLOUZANE92/100
NitratespHChlore
PLOUZEVEDE100/100
NitratespHChlore
PLOVAN92/100
NitratespHChlore
PLOZEVET93/100
NitratespHChlore
PLUGUFFAN100/100
NitratespHChlore
PONT-AVEN100/100
NitratespHChlore
PONT-CROIX94/100
NitratespHChlore
PONT-DE-BUIS-LES-QUIMERCH100/100
NitratespHChlore
PONT-L'ABBE100/100
NitratespHChlore
PORSPODER83/100
NitratespHChlore
PORT-LAUNAY92/100
NitratespHChlore
POULDERGAT93/100
NitratespHChlore
POULDREUZIC83/100
NitratespHChlore
POULLAN-SUR-MER86/100
NitratespHChlore
POULLAOUEN93/100
NitratespHChlore
PRIMELIN92/100
NitratespHChlore
QUEMENEVEN100/100
NitratespHChlore
QUERRIEN79/100
NitratespHChlore
QUIMPER100/100
NitratespHChlore
QUIMPERLE100/100
NitratespHChlore
REDENE93/100
NitratespHChlore
RELECQ-KERHUON (LE)100/100
NitratespHChlore
RIEC-SUR-BELON100/100
NitratespHChlore
ROCHE-MAURICE (LA)100/100
NitratespHChlore
ROSCANVEL100/100
NitratespHChlore
ROSCOFF100/100
NitratespHChlore
ROSNOEN94/100
NitratespHChlore
ROSPORDEN100/100
NitratespHChlore
SAINT-COULITZ100/100
NitratespHChlore
SAINT-DERRIEN100/100
NitratespHChlore
SAINT-DIVY93/100
NitratespHChlore
SAINT-ELOY100/100
NitratespHChlore
SAINT-EVARZEC93/100
NitratespHChlore
SAINT-FREGANT100/100
NitratespHChlore
SAINT-GOAZEC100/100
NitratespHChlore
SAINT-HERNIN100/100
NitratespHChlore
SAINT-JEAN-DU-DOIGT100/100
NitratespHChlore
SAINT-JEAN-TROLIMON92/100
NitratespHChlore
SAINT-MARTIN-DES-CHAMPS100/100
NitratespHChlore
SAINT-MEEN92/100
NitratespHChlore
SAINT-NIC100/100
NitratespHChlore
SAINT-PABU93/100
NitratespHChlore
SAINT-POL-DE-LEON100/100
NitratespHChlore
SAINT-RENAN100/100
NitratespHChlore
SAINT-RIVOAL100/100
NitratespHChlore
SAINT-SAUVEUR100/100
NitratespHChlore
SAINT-SEGAL100/100
NitratespHChlore
SAINT-SERVAIS100/100
NitratespHChlore
SAINT-THEGONNEC LOC-EGUINER100/100
NitratespHChlore
SAINT-THOIS100/100
NitratespHChlore
SAINT-THONAN92/100
NitratespHChlore
SAINT-THURIEN86/100
NitratespHChlore
SAINT-URBAIN100/100
NitratespHChlore
SAINT-VOUGAY100/100
NitratespHChlore
SAINT-YVI100/100
NitratespHChlore
SAINTE-SEVE100/100
NitratespHChlore
SANTEC100/100
NitratespHChlore
SCAER93/100
NitratespHChlore
SCRIGNAC100/100
NitratespHChlore
SIBIRIL100/100
NitratespHChlore
SIZUN100/100
NitratespHChlore
SPEZET100/100
NitratespHChlore
TAULE92/100
NitratespHChlore
TELGRUC-SUR-MER100/100
NitratespHChlore
TOURCH86/100
NitratespHChlore
TREBABU100/100
NitratespHChlore
TREFFIAGAT92/100
NitratespHChlore
TREFLAOUENAN100/100
NitratespHChlore
TREFLEVENEZ86/100
NitratespHChlore
TREFLEZ100/100
NitratespHChlore
TREGARANTEC92/100
NitratespHChlore
TREGARVAN100/100
NitratespHChlore
TREGLONOU100/100
NitratespHChlore
TREGOUREZ100/100
NitratespHChlore
TREGUENNEC100/100
NitratespHChlore
TREGUNC100/100
NitratespHChlore
TREHOU (LE)92/100
NitratespHChlore
TREMAOUEZAN100/100
NitratespHChlore
TREMEOC100/100
NitratespHChlore
TREMEVEN100/100
NitratespHChlore
TREOGAT92/100
NitratespHChlore
TREOUERGAT92/100
NitratespHChlore
TREVOUX (LE)100/100
NitratespHChlore
TREZILIDE100/100
NitratespHChlore
Rivières
Source : Hub'Eau qualité_rivieres · 231 stations
DOURDUFF_40/100
| Nitrates | 26.0mg/L | 30/12/2025 | |
| pH | 7.7pH | 30/12/2025 | |
| Ammonium | 4.2mg/L | 30/12/2025 | |
| MES | 325.0mg/L | 30/12/2025 | |
| Phosphore | 0.11mg/L | 13/10/2025 |
JARLOT_40/100
| pH | 7.4pH | 30/12/2025 | |
| MES | 215.0mg/L | 30/12/2025 | |
| Ammonium | 3.5mg/L | 30/12/2025 | |
| Nitrates | 28.0mg/L | 30/12/2025 | |
| Phosphore | 0.14mg/L | 13/10/2025 |
TROHEIR.50/100
| Nitrates | 20.0mg/L | 23/12/2025 | |
| Phosphore | 0.1mg/L | 23/12/2025 | |
| pH | 7.0pH | 23/12/2025 | |
| MES | 166.0mg/L | 23/12/2025 | |
| Ammonium | 3.4mg/L | 23/12/2025 |
GOASMOAL_40/100
| Ammonium | 3.6mg/L | 22/12/2025 | |
| MES | 143.0mg/L | 22/12/2025 | |
| Nitrates | 18.0mg/L | 22/12/2025 | |
| pH | 6.8pH | 22/12/2025 | |
| Phosphore | 0.21mg/L | 07/10/2025 |
COATIGRAC'H.50/100
| MES | 158.0mg/L | 22/12/2025 | |
| Ammonium | 3.6mg/L | 22/12/2025 | |
| Nitrates | 21.0mg/L | 22/12/2025 | |
| pH | 6.8pH | 22/12/2025 | |
| Phosphore | 0.16mg/L | 26/11/2025 |
KOUER AR FROUT À PLOUDALMEZEAU62/100
| Temp. eau | 11.1°C | 17/12/2025 | |
| Phosphore | 0.078mg/L | 17/12/2025 | |
| MES | 352.0mg/L | 17/12/2025 | |
| Ammonium | 7.7mg/L | 17/12/2025 | |
| pH | 7.2pH | 17/12/2025 |
RAU DE PLOVEZET à POULDREUZIC69/100
| Temp. eau | 9.1°C | 17/12/2025 | |
| O2 saturation | 98.6% | 17/12/2025 | |
| pH | 7.3pH | 17/12/2025 | |
| Ammonium | 4.7mg/L | 17/12/2025 | |
| Phosphore | 0.038mg/L | 17/12/2025 |
RAU DE ST JEAN À PLONEOUR-LANVERN69/100
| Phosphore | 0.061mg/L | 17/12/2025 | |
| Nitrates | 11.0mg/L | 17/12/2025 | |
| Ammonium | 11.0mg/L | 17/12/2025 | |
| MES | 415.0mg/L | 17/12/2025 | |
| Temp. eau | 9.0°C | 17/12/2025 |
RAU DU PLOUDALMEZEAU A PLOUDALMEZEAU62/100
| pH | 7.1pH | 17/12/2025 | |
| Phosphore | 0.069mg/L | 17/12/2025 | |
| MES | 330.0mg/L | 17/12/2025 | |
| Nitrates | 33.0mg/L | 17/12/2025 | |
| Ammonium | 8.7mg/L | 17/12/2025 |
PENFELD à BOHARS69/100
| Temp. eau | 10.2°C | 17/12/2025 | |
| Phosphore | 0.044mg/L | 17/12/2025 | |
| MES | 248.0mg/L | 17/12/2025 | |
| Conductivité | 11.5µS/cm | 17/12/2025 | |
| O2 saturation | 100.1% | 17/12/2025 |
RAU DE PONT L'ABBE à PLONEOUR-LANVERN69/100
| O2 saturation | 97.5% | 17/12/2025 | |
| Phosphore | 0.03mg/L | 17/12/2025 | |
| MES | 212.0mg/L | 17/12/2025 | |
| Nitrates | 22.0mg/L | 17/12/2025 | |
| Temp. eau | 9.4°C | 17/12/2025 |
ODET à QUIMPER69/100
| Nitrates | 19.0mg/L | 16/12/2025 | |
| Temp. eau | 11.2°C | 16/12/2025 | |
| pH | 7.0pH | 16/12/2025 | |
| Phosphore | 0.051mg/L | 16/12/2025 | |
| MES | 141.0mg/L | 16/12/2025 |
HORN à MESPAUL62/100
| Phosphore | 0.161mg/L | 16/12/2025 | |
| O2 saturation | 93.0% | 16/12/2025 | |
| Conductivité | 10.3µS/cm | 16/12/2025 | |
| Nitrates | 31.0mg/L | 16/12/2025 | |
| Temp. eau | 12.1°C | 16/12/2025 |
GUILLEC à TREZILIDE62/100
| Phosphore | 0.131mg/L | 16/12/2025 | |
| Conductivité | 10.4µS/cm | 16/12/2025 | |
| MES | 286.0mg/L | 16/12/2025 | |
| Nitrates | 31.0mg/L | 16/12/2025 | |
| pH | 7.0pH | 16/12/2025 |
QUEFFLEUTH À SAINT-MARTIN-DES-CHAMPS69/100
| Phosphore | 0.118mg/L | 16/12/2025 | |
| Ammonium | 6.7mg/L | 16/12/2025 | |
| Temp. eau | 11.0°C | 16/12/2025 | |
| Conductivité | 10.1µS/cm | 16/12/2025 | |
| pH | 6.5pH | 16/12/2025 |
SAINT-LAURENT À CONCARNEAU62/100
| Conductivité | 10.5µS/cm | 16/12/2025 | |
| pH | 6.8pH | 16/12/2025 | |
| MES | 174.0mg/L | 16/12/2025 | |
| Phosphore | 0.027mg/L | 16/12/2025 | |
| Ammonium | 3.1mg/L | 16/12/2025 |
DOURDUFF à GARLAN69/100
| Temp. eau | 10.7°C | 16/12/2025 | |
| Phosphore | 0.101mg/L | 16/12/2025 | |
| Conductivité | 10.6µS/cm | 16/12/2025 | |
| O2 saturation | 93.7% | 16/12/2025 | |
| Ammonium | 8.8mg/L | 16/12/2025 |
JET à ELLIANT69/100
| Nitrates | 22.0mg/L | 16/12/2025 | |
| MES | 144.0mg/L | 16/12/2025 | |
| Conductivité | 10.8µS/cm | 16/12/2025 | |
| Temp. eau | 11.0°C | 16/12/2025 | |
| pH | 6.8pH | 16/12/2025 |
ELORN à COMMANA69/100
| Temp. eau | 11.1°C | 15/12/2025 | |
| Nitrates | 3.3mg/L | 15/12/2025 | |
| MES | 66.0mg/L | 15/12/2025 | |
| Conductivité | 10.6µS/cm | 15/12/2025 | |
| O2 saturation | 95.8% | 15/12/2025 |
AULNE à CHATEAULIN69/100
| Conductivité | 12.3µS/cm | 15/12/2025 | |
| Nitrates | 23.0mg/L | 15/12/2025 | |
| Temp. eau | 10.7°C | 15/12/2025 | |
| pH | 6.9pH | 15/12/2025 | |
| O2 saturation | 108.6% | 15/12/2025 |
Nappes phréatiques
Source : Hub'Eau niveaux_nappes · 16 stations
Spézet
Niveau : N.C.—
Trégunc
Niveau : N.C.—
Saint-Hernin
Niveau : N.C.—
Saint-Divy
Niveau : N.C.—
Landudec
Niveau : N.C.—
Pluguffan
Niveau : N.C.—
Pencran
Niveau : N.C.—
Landrévarzec
Niveau : N.C.—
Plouvorn
Niveau : N.C.—
Plougonven
Niveau : N.C.—
Guilligomarc'h
Niveau : N.C.—
Commana
Niveau : N.C.—
Saint-Nic
Niveau : N.C.—
Lanrivoaré
Niveau : N.C.—
Saint-Ségal
Niveau : N.C.—
Scaër
Niveau : N.C.—