Summary of the matter addressed in the submission:
The Submitters allege that wastewater originating in the municipalities of Imuris, Magdalena de Kino, and Santa Ana, located in the Mexican state of Sonora, is being discharged into the Magdalena River without prior treatment. According to the Submitters, the above contravenes Mexican environmental legislation governing the disposal of wastewater.

The Secretariat acknowledged receipt of a submission and began a preliminary analysis of it under the guidelines.

Submission — Submission authored by Submitter(s) on 15/03/1997

Under guideline 3.10, the Secretariat requested the submitter(s) to correct minor errors of form.

Other Documents — Communication to Submitter(s) authored by Submitter(s) on 2/06/1997

The Submitters corrected the minor errors of form.

Submission — Submission authored by Submitter(s) on 18/07/1997

Acknowledgement — Other document authored by Secretariat on 18/09/1997

The Secretariat began reviewing the submission under Article 14(1).

The Secretariat determined that the submission met the Article 14(1) criteria and the Secretariat began considering whether to request a response from the concerned government Party.

Determination — Secretariat Determination under Article 14 (1) authored by Secretariat on 6/10/1997

The Secretariat determined that the submission met the Article 14(2) criteria and requested a response from the concerned government Party.

Determination — Secretariat Determination under Article 14(2) authored by Secretariat on 8/05/1998

The Secretariat received a response from the concerned government Party and began considering whether to recommend a factual record.

Party Response — Response from the Party under Article 14 (3) authored by Mexico on 24/07/1998

The Secretariat requested additional information from the concerned government Party under Article 21(1)(b)

The Secretariat informed Council that the Secretariat considers that the submission warrants development of a factual record.

Recommendation — Secretariat Notification to Council under Article 15(1) authored by Secretariat on 5/02/2002

The Council voted to instruct the Secretariat to develop a Factual Record.

Resolution — Council decision concerning the development of a factual record authored by Council on 7/03/2002

The Secretariat placed a work plan on its web site or otherwise made it available to the public and stakeholders.

Workplan — Overall workplan for factual record authored by Secretariat on 22/03/2002

The Secretariat posted a request for information relevant to the factual record on its web site.

Secretariat Information Request — Document related to the preparation of a Factual record authored by Secretariat on 16/04/2002

The Secretariat submitted a draft factual record to Council, for a 45-day comment period on the accuracy of the draft.

The comment period expired without the Secretariat receiving any comments from the Parties.

The Secretariat submitted a final factual record to Council for Council's vote on whether to make the final factual record publicly available.

Council voted to instruct the Secretariat to make the final factual record publicly available.

Resolution — Council decision on whether the factual record will be made publicly available authored by Council on 5/12/2003

The final factual record was publicly released.

Final Factual Record — Final Factual Record authored by Secretariat on 24/10/2003