Bretagne · Département 29
Finistère
277 communes suivies
240 stations rivières
16 stations nappes
Mis à jour le 09/06/2026 à 14:34
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
AUDIERNE100/100
NitratespHChlore
BANNALEC100/100
NitratespHChlore
BAYE100/100
NitratespHChlore
BENODET100/100
NitratespHChlore
BERRIEN100/100
NitratespHChlore
BEUZEC-CAP-SIZUN100/100
NitratespHChlore
BODILIS100/100
NitratespHChlore
BOHARS100/100
NitratespHChlore
BOLAZEC100/100
NitratespHChlore
BOTMEUR100/100
NitratespHChlore
BOTSORHEL93/100
NitratespHChlore
BOURG-BLANC100/100
NitratespHChlore
BRASPARTS88/100
NitratespHChlore
BRELES92/100
NitratespHChlore
BRENNILIS100/100
NitratespHChlore
BREST100/100
NitratespHChlore
BRIEC100/100
NitratespHChlore
CAMARET-SUR-MER100/100
NitratespHChlore
CARANTEC100/100
NitratespHChlore
CARHAIX-PLOUGUER94/100
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-MEILARS100/100
NitratespHChlore
CONQUET (LE)93/100
NitratespHChlore
CORAY100/100
NitratespHChlore
CROZON100/100
NitratespHChlore
DAOULAS93/100
NitratespHChlore
DINEAULT100/100
NitratespHChlore
DIRINON100/100
NitratespHChlore
DOUARNENEZ100/100
NitratespHChlore
DRENNEC (LE)92/100
NitratespHChlore
EDERN100/100
NitratespHChlore
ELLIANT94/100
NitratespHChlore
ERGUE-GABERIC100/100
NitratespHChlore
FAOU (LE)100/100
NitratespHChlore
FEUILLEE (LA)100/100
NitratespHChlore
FOLGOET (LE)92/100
NitratespHChlore
FOREST-LANDERNEAU (LA)100/100
NitratespHChlore
FORET-FOUESNANT (LA)100/100
NitratespHChlore
FOUESNANT100/100
NitratespHChlore
GARLAN92/100
NitratespHChlore
GOUESNACH100/100
NitratespHChlore
GOUESNOU93/100
NitratespHChlore
GOUEZEC100/100
NitratespHChlore
GOULIEN86/100
NitratespHChlore
GOULVEN100/100
NitratespHChlore
GOURLIZON92/100
NitratespHChlore
GUENGAT100/100
NitratespHChlore
GUERLESQUIN100/100
NitratespHChlore
GUICLAN100/100
NitratespHChlore
GUILER-SUR-GOYEN92/100
NitratespHChlore
GUILERS100/100
NitratespHChlore
GUILLIGOMARC'H100/100
NitratespHChlore
GUILVINEC93/100
NitratespHChlore
GUIMAEC92/100
NitratespHChlore
GUIMILIAU100/100
NitratespHChlore
GUIPAVAS92/100
NitratespHChlore
GUISSENY92/100
NitratespHChlore
HANVEC93/100
NitratespHChlore
HENVIC100/100
NitratespHChlore
HOPITAL-CAMFROUT93/100
NitratespHChlore
HUELGOAT100/100
NitratespHChlore
ILE-DE-BATZ100/100
NitratespHChlore
ILE-DE-SEIN100/100
NitratespHBactériologie
ILE-MOLENE100/100
NitratespHChlore
ILE-TUDY92/100
NitratespHChlore
IRVILLAC100/100
NitratespHChlore
JUCH (LE)93/100
NitratespHChlore
KERGLOFF92/100
NitratespHChlore
KERLAZ100/100
NitratespHChlore
KERLOUAN100/100
NitratespHChlore
KERNILIS93/100
NitratespHChlore
KERNOUES100/100
NitratespHChlore
KERSAINT-PLABENNEC94/100
NitratespHChlore
LAMPAUL-GUIMILIAU100/100
NitratespHChlore
LAMPAUL-PLOUARZEL100/100
NitratespHChlore
LAMPAUL-PLOUDALMEZEAU94/100
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
LANILDUT83/100
NitratespHChlore
LANMEUR100/100
NitratespHChlore
LANNEANOU100/100
NitratespHChlore
LANNEDERN100/100
NitratespHChlore
LANNEUFFRET100/100
NitratespHChlore
LANNILIS94/100
NitratespHChlore
LANRIVOARE93/100
NitratespHChlore
LANVEOC92/100
NitratespHChlore
LAZ100/100
NitratespHChlore
LENNON100/100
NitratespHChlore
LESNEVEN100/100
NitratespHChlore
LEUHAN100/100
NitratespHChlore
LOC-BREVALAIRE92/100
NitratespHChlore
LOC-EGUINER92/100
NitratespHChlore
LOCMARIA-PLOUZANE86/100
NitratespHChlore
LOCMELAR100/100
NitratespHChlore
LOCQUENOLE100/100
NitratespHChlore
LOCQUIREC100/100
NitratespHChlore
LOCRONAN100/100
NitratespHChlore
LOCTUDY100/100
NitratespHChlore
LOCUNOLE83/100
NitratespHChlore
LOGONNA-DAOULAS100/100
NitratespHChlore
LOPEREC88/100
NitratespHChlore
LOPERHET100/100
NitratespHChlore
LOQUEFFRET100/100
NitratespHChlore
LOTHEY100/100
NitratespHChlore
MAHALON94/100
NitratespHChlore
MARTYRE (LA)100/100
NitratespHChlore
MELGVEN100/100
NitratespHChlore
MELLAC86/100
NitratespHChlore
MESPAUL100/100
NitratespHChlore
MILIZAC-GUIPRONVEL94/100
NitratespHChlore
MOELAN-SUR-MER100/100
NitratespHChlore
MORLAIX100/100
NitratespHChlore
MOTREFF100/100
NitratespHChlore
NEVEZ100/100
NitratespHChlore
OUESSANT100/100
NitratespHChlore
PENCRAN100/100
NitratespHChlore
PENMARCH100/100
NitratespHChlore
PEUMERIT100/100
NitratespHChlore
PLABENNEC94/100
NitratespHChlore
PLEUVEN100/100
NitratespHChlore
PLEYBEN100/100
NitratespHChlore
PLEYBER-CHRIST92/100
NitratespHChlore
PLOBANNALEC-LESCONIL92/100
NitratespHChlore
PLOEVEN100/100
NitratespHChlore
PLOGASTEL-SAINT-GERMAIN100/100
NitratespHChlore
PLOGOFF92/100
NitratespHChlore
PLOGONNEC94/100
NitratespHChlore
PLOMELIN100/100
NitratespHChlore
PLOMEUR92/100
NitratespHChlore
PLOMODIERN100/100
NitratespHChlore
PLONEIS100/100
NitratespHChlore
PLONEOUR-LANVERN88/100
NitratespHChlore
PLONEVEZ-DU-FAOU100/100
NitratespHChlore
PLONEVEZ-PORZAY100/100
NitratespHChlore
PLOUARZEL83/100
NitratespHChlore
PLOUDALMEZEAU94/100
NitratespHChlore
PLOUDANIEL93/100
NitratespHChlore
PLOUDIRY100/100
NitratespHChlore
PLOUEDERN100/100
NitratespHChlore
PLOUEGAT-GUERAND100/100
NitratespHChlore
PLOUEGAT-MOYSAN100/100
NitratespHChlore
PLOUENAN100/100
NitratespHChlore
PLOUESCAT100/100
NitratespHChlore
PLOUEZOC'H93/100
NitratespHChlore
PLOUGAR100/100
NitratespHChlore
PLOUGASNOU100/100
NitratespHChlore
PLOUGASTEL-DAOULAS100/100
NitratespHChlore
PLOUGONVELIN83/100
NitratespHChlore
PLOUGONVEN93/100
NitratespHChlore
PLOUGOULM100/100
NitratespHChlore
PLOUGOURVEST100/100
NitratespHChlore
PLOUGUERNEAU94/100
NitratespHChlore
PLOUGUIN93/100
NitratespHChlore
PLOUHINEC94/100
NitratespHChlore
PLOUIDER92/100
NitratespHChlore
PLOUIGNEAU100/100
NitratespHChlore
PLOUMOGUER92/100
NitratespHChlore
PLOUNEOUR-BRIGNOGAN-PLAGES88/100
NitratespHChlore
PLOUNEOUR-MENEZ86/100
NitratespHChlore
PLOUNEVENTER100/100
NitratespHChlore
PLOUNEVEZ-LOCHRIST93/100
NitratespHChlore
PLOUNEVEZEL100/100
NitratespHChlore
PLOURIN92/100
NitratespHChlore
PLOURIN-LES-MORLAIX100/100
NitratespHChlore
PLOUVIEN93/100
NitratespHChlore
PLOUVORN100/100
NitratespHChlore
PLOUYE100/100
NitratespHChlore
PLOUZANE92/100
NitratespHChlore
PLOUZEVEDE100/100
NitratespHChlore
PLOVAN92/100
NitratespHChlore
PLOZEVET88/100
NitratespHChlore
PLUGUFFAN100/100
NitratespHChlore
PONT-AVEN100/100
NitratespHChlore
PONT-CROIX94/100
NitratespHChlore
PONT-DE-BUIS-LES-QUIMERCH94/100
NitratespHChlore
PONT-L'ABBE100/100
NitratespHChlore
PORSPODER92/100
NitratespHChlore
PORT-LAUNAY92/100
NitratespHChlore
POULDERGAT86/100
NitratespHChlore
POULDREUZIC83/100
NitratespHChlore
POULLAN-SUR-MER86/100
NitratespHChlore
POULLAOUEN93/100
NitratespHChlore
PRIMELIN100/100
NitratespHChlore
QUEMENEVEN100/100
NitratespHChlore
QUERRIEN79/100
NitratespHChlore
QUIMPER100/100
NitratespHChlore
QUIMPERLE100/100
NitratespHChlore
REDENE94/100
NitratespHChlore
RELECQ-KERHUON (LE)94/100
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-EVARZEC100/100
NitratespHChlore
SAINT-FREGANT92/100
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-EGUINER93/100
NitratespHChlore
SAINT-THOIS100/100
NitratespHChlore
SAINT-THONAN92/100
NitratespHChlore
SAINT-THURIEN88/100
NitratespHChlore
SAINT-URBAIN100/100
NitratespHChlore
SAINT-VOUGAY100/100
NitratespHChlore
SAINT-YVI100/100
NitratespHChlore
SAINTE-SEVE100/100
NitratespHChlore
SANTEC100/100
NitratespHChlore
SCAER100/100
NitratespHChlore
SCRIGNAC100/100
NitratespHChlore
SIBIRIL100/100
NitratespHChlore
SIZUN100/100
NitratespHChlore
SPEZET100/100
NitratespHChlore
TAULE100/100
NitratespHChlore
TELGRUC-SUR-MER100/100
NitratespHChlore
TOURCH86/100
NitratespHChlore
TREBABU93/100
NitratespHChlore
TREFFIAGAT92/100
NitratespHChlore
TREFLAOUENAN100/100
NitratespHChlore
TREFLEVENEZ100/100
NitratespHChlore
TREFLEZ92/100
NitratespHChlore
TREGARANTEC92/100
NitratespHChlore
TREGARVAN94/100
NitratespHChlore
TREGLONOU92/100
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)92/100
NitratespHChlore
TREZILIDE100/100
NitratespHChlore
Rivières
Source : Hub'Eau qualité_rivieres · 240 stations
AULNE à CHATEAULIN69/100
| Ammonium | 2.9mg/L | 31/03/2026 | |
| Conductivité | 12.2µS/cm | 31/03/2026 | |
| Nitrates | 18.4mg/L | 31/03/2026 | |
| Temp. eau | 11.3°C | 31/03/2026 | |
| O2 saturation | 107.7% | 31/03/2026 |
DOURDUFF à GARLAN69/100
| Ammonium | 5.8mg/L | 13/03/2026 | |
| O2 saturation | 97.0% | 13/03/2026 | |
| Conductivité | 10.8µS/cm | 13/03/2026 | |
| Nitrates | 21.8mg/L | 13/03/2026 | |
| Phosphore | 0.117mg/L | 13/03/2026 |
GUILLEC à TREZILIDE62/100
| Phosphore | 0.179mg/L | 13/03/2026 | |
| Temp. eau | 11.3°C | 13/03/2026 | |
| Conductivité | 10.7µS/cm | 13/03/2026 | |
| Ammonium | 5.2mg/L | 13/03/2026 | |
| pH | 7.2pH | 13/03/2026 |
QUEFFLEUTH À SAINT-MARTIN-DES-CHAMPS69/100
| pH | 7.0pH | 13/03/2026 | |
| MES | 141.0mg/L | 13/03/2026 | |
| Ammonium | 4.4mg/L | 13/03/2026 | |
| Temp. eau | 10.9°C | 13/03/2026 | |
| Nitrates | 15.1mg/L | 13/03/2026 |
SCORFF à ARZANO69/100
| Ammonium | 5.0mg/L | 12/03/2026 | |
| Conductivité | 11.3µS/cm | 12/03/2026 | |
| Temp. eau | 10.9°C | 12/03/2026 | |
| Nitrates | 21.1mg/L | 12/03/2026 | |
| Phosphore | 0.063mg/L | 12/03/2026 |
ELLE à ARZANO69/100
| pH | 7.0pH | 12/03/2026 | |
| Nitrates | 16.0mg/L | 12/03/2026 | |
| Ammonium | 5.4mg/L | 12/03/2026 | |
| MES | 153.0mg/L | 12/03/2026 | |
| Conductivité | 11.4µS/cm | 12/03/2026 |
ODET à QUIMPER69/100
| Conductivité | 11.31µS/cm | 06/03/2026 | |
| MES | 147.6mg/L | 06/03/2026 | |
| Ammonium | 2.1mg/L | 06/03/2026 | |
| pH | 7.18pH | 06/03/2026 | |
| Nitrates | 19.5mg/L | 06/03/2026 |
MOROS à CONCARNEAU69/100
| MES | 189.0mg/L | 06/03/2026 | |
| Ammonium | 2.8mg/L | 06/03/2026 | |
| Nitrates | 24.1mg/L | 06/03/2026 | |
| Conductivité | 11.23µS/cm | 06/03/2026 | |
| Temp. eau | 11.1°C | 06/03/2026 |
ELORN à PLOUEDERN69/100
| O2 saturation | 93.3% | 03/03/2026 | |
| Nitrates | 22.6mg/L | 03/03/2026 | |
| MES | 177.0mg/L | 03/03/2026 | |
| Conductivité | 11.4µS/cm | 03/03/2026 | |
| Phosphore | 0.045mg/L | 03/03/2026 |
ABER BENOIT à PLABENNEC62/100
| Conductivité | 11.1µS/cm | 03/03/2026 | |
| Temp. eau | 10.7°C | 03/03/2026 | |
| Ammonium | 4.4mg/L | 03/03/2026 | |
| Phosphore | 0.058mg/L | 03/03/2026 | |
| pH | 7.0pH | 03/03/2026 |
FAOU À FAOU (LE)69/100
| O2 saturation | 97.6% | 27/02/2026 | |
| Phosphore | 0.02mg/L | 27/02/2026 | |
| Ammonium | 3.2mg/L | 27/02/2026 | |
| Conductivité | 10.7µS/cm | 27/02/2026 | |
| pH | 7.2pH | 27/02/2026 |
ABER BENOUIC à LANNILIS69/100
| Ammonium | 6.9mg/L | 23/02/2026 | |
| Temp. eau | 11.8°C | 23/02/2026 | |
| MES | 239.0mg/L | 23/02/2026 | |
| pH | 7.1pH | 23/02/2026 | |
| Nitrates | 22.0mg/L | 23/02/2026 |
FROUT À QUIMPERLE75/100
| O2 saturation | 93.0% | 20/02/2026 | |
| MES | 144.0mg/L | 20/02/2026 | |
| Nitrates | 5.0mg/L | 20/02/2026 | |
| Ammonium | 9.6mg/L | 20/02/2026 | |
| Conductivité | 10.8µS/cm | 20/02/2026 |
RAU PENNALEN À PONT-AVEN69/100
| MES | 179.0mg/L | 16/02/2026 | |
| Ammonium | 4.5mg/L | 16/02/2026 | |
| O2 saturation | 100.0% | 16/02/2026 | |
| Nitrates | 25.0mg/L | 16/02/2026 | |
| pH | 7.0pH | 16/02/2026 |
VALLEE DES MOULINS ou RAU DONAN à SAINT-JEAN-DU-DOIGT69/100
| Phosphore | 0.111mg/L | 13/02/2026 | |
| Temp. eau | 9.5°C | 13/02/2026 | |
| Nitrates | 17.0mg/L | 13/02/2026 | |
| pH | 7.9pH | 13/02/2026 | |
| Ammonium | 11.0mg/L | 13/02/2026 |
HORN à MESPAUL62/100
| MES | 264.0mg/L | 13/02/2026 | |
| O2 saturation | 93.8% | 13/02/2026 | |
| Phosphore | 0.109mg/L | 13/02/2026 | |
| Nitrates | 31.0mg/L | 13/02/2026 | |
| Conductivité | 10.3µS/cm | 13/02/2026 |
AR REST À PLOUNEVEZ-LOCHRIST62/100
| Conductivité | 10.7µS/cm | 13/02/2026 | |
| O2 saturation | 98.7% | 13/02/2026 | |
| Ammonium | 8.6mg/L | 13/02/2026 | |
| pH | 7.3pH | 13/02/2026 | |
| Phosphore | 0.161mg/L | 13/02/2026 |
PENFELD à BOHARS69/100
| pH | 7.4pH | 12/02/2026 | |
| MES | 214.0mg/L | 12/02/2026 | |
| Temp. eau | 10.8°C | 12/02/2026 | |
| Phosphore | 0.052mg/L | 12/02/2026 | |
| Ammonium | 5.6mg/L | 12/02/2026 |
CANAL DE NANTES A BREST à CARHAIX-PLOUGUER69/100
| Phosphore | 0.086mg/L | 11/02/2026 | |
| pH | 7.1pH | 11/02/2026 | |
| Temp. eau | 10.6°C | 11/02/2026 | |
| Ammonium | 4.4mg/L | 11/02/2026 | |
| MES | 150.0mg/L | 11/02/2026 |
RAU DE KERAMBELLEC à BRASPARTS75/100
| Conductivité | 10.5µS/cm | 10/02/2026 | |
| pH | 7.1pH | 10/02/2026 | |
| MES | 104.0mg/L | 10/02/2026 | |
| Temp. eau | 10.5°C | 10/02/2026 | |
| Nitrates | 9.6mg/L | 10/02/2026 |
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.—
Landrévarzec
Niveau : N.C.—
Pluguffan
Niveau : N.C.—
Plougonven
Niveau : N.C.—
Pencran
Niveau : N.C.—
Plouvorn
Niveau : N.C.—
Guilligomarc'h
Niveau : N.C.—
Saint-Nic
Niveau : N.C.—
Saint-Ségal
Niveau : N.C.—
Commana
Niveau : N.C.—
Lanrivoaré
Niveau : N.C.—
Scaër
Niveau : N.C.—