. /.  WORLD TRADE  
ORGANIZATION  G/TBT/N/MEX/206 
18 January 2011 
 (11-0283) 
Committee on Technical Barriers to Trade Original:   Spanish 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:   MEXICO
 
If applicable, name of local government involved (Articles 3.2 and 7.2):  
2. Agency responsible:   Secretaría de Medio Ambiente y Recursos Naturales  (Ministry of the 
Environment and Natural Resources) 
Name and address (including telephone  and fax numbers, e-mail and website 
addresses, if available) of  agency or authority designated to handle comments 
regarding the notification shall be  indicated if different from above:  
Comité Consultivo Nacional de Normalización del Sector Agua 
(National Advisory Committee on Standardization for the Water Sector) Av. Insurgentes Sur 2416, 3 piso 
Colonia Copilco El Bajo Delegación Coyoacán México, D.F. E-mail: mailto:alberto.esteban@conagua.gob.mx
 
Website: http://www.conagua.gob.mx  
3. Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading.  
ICS numbers may be provided in  addition, where applicable):   Drinking water systems 
5. Title, number of pages and lang uage(s) of the notified document:  
PROY-NOM-001-CONAGUA-2009, Sistemas de  agua potable, alcantarillado y toma 
domiciliaria-Hermeticidad-Especificac iones y métodos de comprobación (Draft Mexican 
Official Standard PROY-NOM-001-CONAGUA-2009:  Drinking water systems, waste 
water systems and domestic service connections - Watertightness - Specifications and 
testing methods) (29 pages, in Spanish) 
6. Description of content:   The notified standard is binding throughout Mexican territory 
for: 
(a) Manufacturers, importers or traders of products used in drinking water systems, 
waste water systems and domestic service connections;  and 
(b) those responsible for the design, c onstruction, installa tion, operation and 
maintenance of drinking water systems, waste water systems and domestic service 
connections. G/TBT/N/MEX/206 
Page 2  
 
   Appendix B of the text contains a guide to ensure that those responsible for the design, 
construction, installation, ope ration and maintenance of drinking water systems, waste 
water systems and domestic service connec tions establish and promote the minimum 
maintenance requirements needed to guarant ee the lifespan of these systems in the long 
term.  
7. Objective and rationale, including the nature of urgent problems where applicable: 
The objectives of the notified Mexican O fficial Standard are the following: 
(a) To establish specifications for the products  used in drinking water systems, waste 
water systems and domestic service connections with a view to ensuring their watertightness in the long term. 
(b) To establish requirements to ensure the wa tertight installation of the products used 
in drinking water systems, waste water systems and domestic service connections. 
(c) To establish operation and maintenance re quirements so as to ensure the adequate 
lifespan of drinking water systems, waste water systems and domestic service connections. 
8. Relevant documents:   Diario Oficial de la Federación  (Official Journal) of 
4 January 2011:  http://www.dof.gob.mx  
9. Proposed date of adoption: 
Proposed date of entry into force:   Upon publication as a Mexican Official 
Standard in the Official Journal. 
60 calendar days after publication in the 
Official Journal. 
10. Final date for comments:   4 March 2011 
11. Texts available from:  National enquiry  point [X] or address, telephone and fax 
numbers, e-mail and website addresses,  if available of the other body: 
Secretaría de Economía 
Subsecretaría de Competitividad y Normatividad Dirección General de Normas Tel.: (+52) 55 5729 9100, Ext. 43217 
Fax: (+52) 55 5520 9715 
 Website: http://www.economia.gob.mx/swb/es/economia/p_Catalogo_Mexicano_Normas
 
E-mail: mailto:normasomc@economia.gob.mx  and/or  
 mailto:jesus.figueroa@economia.gob.mx  
 
Also available online at: 
http://dof.gob.mx/index.php? year=2011&month=01&day=04  and 
http://members.wto.org/crnattach ments/2011/tbt/mex/11_0073_00_s.pdf