Drinking water quality, Yvelines (78)

259 communes covered
248 with a PFAS-4 result
11 with no published PFAS result

Above our benchmark, ranked by PFAS-4

22,241 Population37 ng/L

4,454 Population37 ng/L

17,885 Population26 ng/L

7,869 Population26 ng/L

4,065 Population26 ng/L

4,060 Population26 ng/L

3,382 Population26 ng/L

2,599 Population26 ng/L

Mézy-sur-Seine

2,242 Population26 ng/L

Oinville-sur-Montcient

1,131 Population26 ng/L

Fontenay-Saint-Père

949 Population26 ng/L

Brueil-en-Vexin

652 Population26 ng/L

646 Population26 ng/L

354 Population26 ng/L

Mantes-la-Ville

22,332 Population24 ng/L

Follainville-Dennemont

2,184 Population24 ng/L

1,085 Population24 ng/L

Saint-Martin-la-Garenne

942 Population24 ng/L

852 Population24 ng/L

Auffreville-Brasseuil

671 Population24 ng/L

524 Population24 ng/L

Magny-les-Hameaux

9,386 Population22 ng/L

Le Mesnil-Saint-Denis

7,276 Population22 ng/L

Les Essarts-le-Roi

6,831 Population22 ng/L

Le Perray-en-Yvelines

6,480 Population22 ng/L

Jouars-Pontchartrain

6,039 Population22 ng/L

Villiers-Saint-Frédéric

3,395 Population22 ng/L

Montfort-l'Amaury

2,779 Population22 ng/L

La Queue-les-Yvelines

2,629 Population22 ng/L

2,621 Population22 ng/L

1,963 Population22 ng/L

Mareil-sur-Mauldre

1,776 Population22 ng/L

1,731 Population22 ng/L

Saint-Rémy-l'Honoré

1,689 Population22 ng/L

Lévis-Saint-Nom

1,603 Population22 ng/L

1,298 Population22 ng/L

Neauphle-le-Vieux

937 Population22 ng/L

Le Tremblay-sur-Mauldre

930 Population22 ng/L

910 Population22 ng/L

902 Population22 ng/L

Bazoches-sur-Guyonne

721 Population22 ng/L

Vieille-Église-en-Yvelines

652 Population22 ng/L

Boissy-sans-Avoir

616 Population22 ng/L

447 Population22 ng/L

436 Population22 ng/L

Milon-la-Chapelle

295 Population22 ng/L

272 Population22 ng/L

64 Population22 ng/L

La Celle-Saint-Cloud

20,460 Population20 ng/L

9,134 Population20 ng/L

Meulan-en-Yvelines

8,950 Population20 ng/L

Tessancourt-sur-Aubette

966 Population20 ng/L

Saint-Germain-en-Laye

45,931 Population17 ng/L

40,983 Population17 ng/L

34,689 Population17 ng/L

34,632 Population17 ng/L

Montigny-le-Bretonneux

32,465 Population17 ng/L

31,811 Population17 ng/L

29,778 Population17 ng/L

26,365 Population17 ng/L

Saint-Cyr-l'École

21,268 Population17 ng/L

Carrières-sous-Poissy

20,825 Population17 ng/L

20,629 Population17 ng/L

Les Clayes-sous-Bois

16,804 Population17 ng/L

16,756 Population17 ng/L

16,586 Population17 ng/L

Verneuil-sur-Seine

16,280 Population17 ng/L

16,059 Population17 ng/L

Fontenay-le-Fleury

13,680 Population17 ng/L

12,723 Population17 ng/L

11,931 Population17 ng/L

Voisins-le-Bretonneux

10,624 Population17 ng/L

9,699 Population17 ng/L

7,252 Population17 ng/L

7,031 Population17 ng/L

6,083 Population17 ng/L

5,994 Population17 ng/L

Villennes-sur-Seine

5,952 Population17 ng/L

5,847 Population17 ng/L

5,816 Population17 ng/L

5,559 Population17 ng/L

L'Étang-la-Ville

5,157 Population17 ng/L

Saint-Nom-la-Bretèche

4,965 Population17 ng/L

4,321 Population17 ng/L

4,279 Population17 ng/L

4,141 Population17 ng/L

Mézières-sur-Seine

3,923 Population17 ng/L

3,721 Population17 ng/L

Neauphle-le-Château

3,250 Population17 ng/L

3,120 Population17 ng/L

3,043 Population17 ng/L

Flins-sur-Seine

2,447 Population17 ng/L

2,234 Population17 ng/L

2,052 Population17 ng/L

Saint-Germain-de-la-Grange

1,847 Population17 ng/L

1,727 Population17 ng/L

1,723 Population17 ng/L

1,719 Population17 ng/L

1,434 Population17 ng/L

Les Alluets-le-Roi

1,390 Population17 ng/L

1,331 Population17 ng/L

1,289 Population17 ng/L

Aulnay-sur-Mauldre

1,180 Population17 ng/L

Toussus-le-Noble

1,172 Population17 ng/L

1,139 Population17 ng/L

1,075 Population17 ng/L

Thiverval-Grignon

1,023 Population17 ng/L

1,020 Population17 ng/L

950 Population17 ng/L

Villiers-le-Mahieu

888 Population17 ng/L

802 Population17 ng/L

665 Population17 ng/L

609 Population17 ng/L

576 Population17 ng/L

570 Population17 ng/L

550 Population17 ng/L

Mareil-le-Guyon

420 Population17 ng/L

389 Population17 ng/L

295 Population17 ng/L

Boinville-en-Mantois

285 Population17 ng/L

228 Population17 ng/L

184 Population17 ng/L

27,724 Population15 ng/L

84,095 Population12 ng/L

Le Chesnay-Rocquencourt

30,689 Population12 ng/L

7,990 Population12 ng/L

7,713 Population12 ng/L

3,731 Population12 ng/L

116 Population12 ng/L

Vélizy-Villacoublay

23,011 Population10 ng/L

17,237 Population10 ng/L

7,981 Population10 ng/L

7,704 Population10 ng/L

Les Loges-en-Josas

1,645 Population10 ng/L

589 Population10 ng/L

Carrières-sur-Seine

14,791 Population9 ng/L

Conflans-Sainte-Honorine

36,958 Population8 ng/L

13,834 Population8 ng/L

Triel-sur-Seine

12,206 Population8 ng/L

Chanteloup-les-Vignes

10,861 Population8 ng/L

2,151 Population7 ng/L

871 Population7 ng/L

Croissy-sur-Seine

11,013 Population6 ng/L

Mousseaux-sur-Seine

689 Population6 ng/L

383 Population6 ng/L

346 Population6 ng/L

Mantes-la-Jolie

43,526 Population4 ng/L

Rosny-sur-Seine

7,328 Population4 ng/L

6,383 Population4 ng/L

3,360 Population4 ng/L

757 Population4 ng/L

3,913 Population3 ng/L

Rochefort-en-Yvelines

910 Population3 ng/L

Prunay-en-Yvelines

808 Population3 ng/L

Lainville-en-Vexin

805 Population3 ng/L

Gaillon-sur-Montcient

689 Population3 ng/L

Boinville-le-Gaillard

597 Population3 ng/L

554 Population3 ng/L

496 Population3 ng/L

325 Population3 ng/L

Saint-Rémy-lès-Chevreuse

7,747 Population2 ng/L

875 Population2 ng/L

Saint-Arnoult-en-Yvelines

5,875 Population1 ng/L

1,678 Population1 ng/L

Cernay-la-Ville

1,516 Population1 ng/L

904 Population1 ng/L

693 Population1 ng/L

Saint-Martin-de-Bréthencourt

690 Population1 ng/L

540 Population1 ng/L

511 Population1 ng/L

281 Population1 ng/L

Paray-Douaville

218 Population1 ng/L

Other covered communes

52,763 PopulationPFAS-4 not detected

33,983 PopulationPFAS-4 not detected

30,598 PopulationPFAS-4 not detected

Maisons-Laffitte

23,093 PopulationPFAS-4 not detected

15,554 PopulationPFAS-4 not detected

14,549 PopulationPFAS-4 not detected

Le Mesnil-le-Roi

6,332 PopulationPFAS-4 not detected

5,502 PopulationPFAS-4 not detected

5,202 PopulationPFAS-4 not detected

Bonnières-sur-Seine

5,064 PopulationPFAS-4 not detected

4,505 PopulationPFAS-4 not detected

2,574 Populationno PFAS result yet

2,489 PopulationPFAS-4 not detected

2,264 PopulationPFAS-4 not detected

2,165 PopulationPFAS-4 not detected

2,110 PopulationPFAS-4 not detected

1,916 PopulationPFAS-4 not detected

1,747 PopulationPFAS-4 not detected

1,601 PopulationPFAS-4 not detected

1,570 PopulationPFAS-4 not detected

1,564 PopulationPFAS-4 not detected

1,492 PopulationPFAS-4 not detected

1,469 PopulationPFAS-4 not detected

Saint-Léger-en-Yvelines

1,468 PopulationPFAS-4 not detected

Dammartin-en-Serve

1,441 PopulationPFAS-4 not detected

Les Bréviaires

1,302 PopulationPFAS-4 not detected

Condé-sur-Vesgre

1,279 PopulationPFAS-4 not detected

1,219 PopulationPFAS-4 not detected

1,088 Populationno PFAS result yet

Dampierre-en-Yvelines

1,008 PopulationPFAS-4 not detected

1,007 PopulationPFAS-4 not detected

999 PopulationPFAS-4 not detected

985 PopulationPFAS-4 not detected

970 PopulationPFAS-4 not detected

Poigny-la-Forêt

957 PopulationPFAS-4 not detected

Arnouville-lès-Mantes

951 PopulationPFAS-4 not detected

925 PopulationPFAS-4 not detected

907 PopulationPFAS-4 not detected

902 PopulationPFAS-4 not detected

872 PopulationPFAS-4 not detected

Clairefontaine-en-Yvelines

850 PopulationPFAS-4 not detected

La Celle-les-Bordes

840 PopulationPFAS-4 not detected

793 PopulationPFAS-4 not detected

Breuil-Bois-Robert

764 Populationno PFAS result yet

754 PopulationPFAS-4 not detected

La Boissière-École

747 PopulationPFAS-4 not detected

Notre-Dame-de-la-Mer

742 PopulationPFAS-4 not detected

701 Populationno PFAS result yet

673 PopulationPFAS-4 not detected

La Villeneuve-en-Chevrie

665 PopulationPFAS-4 not detected

659 PopulationPFAS-4 not detected

650 PopulationPFAS-4 not detected

639 PopulationPFAS-4 not detected

638 PopulationPFAS-4 not detected

Boissy-Mauvoisin

615 PopulationPFAS-4 not detected

613 PopulationPFAS-4 not detected

554 Populationno PFAS result yet

533 PopulationPFAS-4 not detected

533 PopulationPFAS-4 not detected

530 PopulationPFAS-4 not detected

506 PopulationPFAS-4 not detected

Fontenay-Mauvoisin

460 Populationno PFAS result yet

Saint-Illiers-le-Bois

449 PopulationPFAS-4 not detected

Chaufour-lès-Bonnières

442 PopulationPFAS-4 not detected

438 PopulationPFAS-4 not detected

418 PopulationPFAS-4 not detected

414 PopulationPFAS-4 not detected

413 PopulationPFAS-4 not detected

Prunay-le-Temple

409 PopulationPFAS-4 not detected

387 PopulationPFAS-4 not detected

381 PopulationPFAS-4 not detected

Civry-la-Forêt

373 PopulationPFAS-4 not detected

Saint-Illiers-la-Ville

350 PopulationPFAS-4 not detected

Montalet-le-Bois

322 PopulationPFAS-4 not detected

Saint-Martin-des-Champs

304 PopulationPFAS-4 not detected

301 PopulationPFAS-4 not detected

300 PopulationPFAS-4 not detected

275 Populationno PFAS result yet

243 PopulationPFAS-4 not detected

229 Populationno PFAS result yet

216 PopulationPFAS-4 not detected

Flins-Neuve-Église

162 PopulationPFAS-4 not detected

157 Populationno PFAS result yet

157 PopulationPFAS-4 not detected

Le Tertre-Saint-Denis

137 Populationno PFAS result yet

128 Populationno PFAS result yet

Le Tartre-Gaudran

37 PopulationPFAS-4 not detected

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This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.