Published by Laguna Lake Development Authority(DENRLLDA) on April 28, 2023.
Requested from LLDA by B. Requejo at 10:33 AM on
April 28, 2023.
Purpose: Research and Development
Date of Coverage: 01/01/1990 - 04/28/2023
Tracking no: #DENRLLDA-307956329259
B.REQUEJO
April 28, 2023, 10:33 a.m.
Hi! I would like to kindly request for available data on the water quality of Laguna de Bay from 1990 until the present, at least monthly average if possible.
Water quality parameters may include: Temperature, pH, Color, Turbidity, Biological Oxygen Demand (BOD), Dissolved Oxygen (DO), Total Suspended Solids (TSS), Nitrate, Phosphate, Chloride, Fecal Coliform, Heavy Metals, Oil and Grease.
Thank you!
P.MARIANO
May 2, 2023, 9:36 a.m.
May 2, 2023
Dear Benedict Requejo,
I refer to my letter of Apr 28, 2023 10:33:12 AM about your request under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch, for Historical Water Quality of Laguna de Bay from 1990.
In order for us to work further on your request, we need more information from you regarding your query. We would like to ask for the Title of the Research and its Objective/Purpose, as we will use them for documentation purposes. You may use the reply function on the eFOI portal at https://pcoomaster04202017173000-dot-efoi-ph.appspot.com/requests/aglzfmVmb2ktcGhyIgsSB0NvbnRlbnQiFURFTlJMTERBLTMwNzk1NjMyOTI1OQw, for request with ticket number #DENRLLDA-307956329259, to respond.
During the period of us awaiting your reply, your request will be put on hold. If we do not receive a reply on or before Jul 25, 2023 01:34:10 AM, your request will be closed.
We hope to hear from you at the soonest possible time.
Thank you.
Respectfully,
Peter Jedel Mariano
FOI Officer
B.REQUEJO
May 25, 2023, 4:12 p.m.
Dear Mr. Peter Jedel Mariano
Good day!
This is in relation to my request at the eFOI portal on April 28, 2023 with the title “Historical Water Quality of Laguna de Bay from 1990” and Tracking Number #DENRLLDA-307956329259.
I am currently part of a team working on evaluating the performance of a Water Treatment Plant abstracting water from Laguna de Bay, and so in relation to this I would like to kindly request available data on the water quality of Laguna de Bay from 1990 until the present, at least monthly average if possible. Parameters may include Temperature, pH, Color, Turbidity, Biological Oxygen Demand (BOD), Dissolved Oxygen (DO), Total Suspended Solids (TSS), Nitrate, Phosphate, Chloride, Fecal Coliform, Heavy Metals, Oil and Grease, and other relevant parameters
Please rest assured that information requested, once received, will be kept in strict confidence, and used only for the evaluation.
Thank you very much!
Regards,
Benedict Requejo
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