Magat River Integrated Irrigation System

Magat River Integrated Irrigation System NIA MARIIS is among the biggest irrigation system of National Irrigation Administration.

It owns and operates the Magat Dam which provides irrigation service to 90,000 hectares of riceland in Isabela province and portions of Quirino and Ifugao provinces.

๐‹๐„๐€๐‘๐. ๐”๐๐‹๐„๐€๐‘๐. ๐‘๐„๐‹๐„๐€๐‘๐.Every day allows us to learn something new, whether from our experiences, challenges, or the peo...
07/09/2026

๐‹๐„๐€๐‘๐. ๐”๐๐‹๐„๐€๐‘๐. ๐‘๐„๐‹๐„๐€๐‘๐.

Every day allows us to learn something new, whether from our experiences, challenges, or the people around us.

But growth also means knowing when to unlearn what no longer helps us. Sometimes, we need to let go of old habits, ways of thinking, or familiar approaches and make room for something better.

Then, we relearn by listening to new ideas, accepting corrections, and seeing things from a different perspective.

At work and in life, let us remain humble, open-minded, and willing to grow. We donโ€™t have to know everything; we simply have to be willing to listen, adjust, and keep learning.


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Magat Dam Update Today | 9:00am - September 7, 2026No Spillway Gate Open    sa
07/09/2026

Magat Dam Update Today | 9:00am - September 7, 2026
No Spillway Gate Open


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Siffu Dam as of 8:00AM | September 7, 2026   sa
07/09/2026

Siffu Dam as of 8:00AM | September 7, 2026


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Magat Dam Update Today | 12:00nn - September 6, 2026No Spillway Gate Open    sa
06/09/2026

Magat Dam Update Today | 12:00nn - September 6, 2026
No Spillway Gate Open


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Magat Dam Update Today | 8:00am - September 5, 2026No Spillway Gate Open    sa
05/09/2026

Magat Dam Update Today | 8:00am - September 5, 2026
No Spillway Gate Open


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๐๐ˆ๐€-๐Œ๐€๐‘๐ˆ๐ˆ๐’ ๐‚๐จ๐ง๐๐ฎ๐œ๐ญ๐ฌ ๐๐ก๐ฒ๐ฌ๐ข๐œ๐š๐ฅ ๐‚๐จ๐ฎ๐ง๐ญ ๐จ๐Ÿ ๐๐ซ๐จ๐ฉ๐ž๐ซ๐ญ๐ฒ, ๐๐ฅ๐š๐ง๐ญ ๐š๐ง๐ ๐„๐ช๐ฎ๐ข๐ฉ๐ฆ๐ž๐ง๐ญ ๐š๐ญ ๐ƒ๐ข๐ฏ๐ข๐ฌ๐ข๐จ๐ง ๐ˆ NIA-MARIIS Division I successfully con...
04/09/2026

๐๐ˆ๐€-๐Œ๐€๐‘๐ˆ๐ˆ๐’ ๐‚๐จ๐ง๐๐ฎ๐œ๐ญ๐ฌ ๐๐ก๐ฒ๐ฌ๐ข๐œ๐š๐ฅ ๐‚๐จ๐ฎ๐ง๐ญ ๐จ๐Ÿ ๐๐ซ๐จ๐ฉ๐ž๐ซ๐ญ๐ฒ, ๐๐ฅ๐š๐ง๐ญ ๐š๐ง๐ ๐„๐ช๐ฎ๐ข๐ฉ๐ฆ๐ž๐ง๐ญ ๐š๐ญ ๐ƒ๐ข๐ฏ๐ข๐ฌ๐ข๐จ๐ง ๐ˆ

NIA-MARIIS Division I successfully conducted its Physical Count of Property, Plant and Equipment (PPE) to ensure that government properties are properly recorded, accounted for, and maintained.

The activity was led by the Division I Property Unit, headed by Mr. Jesson L. Cabanting, Property Officer B, with the participation of Commission on Audit (COA) Representative Mr. John Rey Diaz.

The team conducted the physical verification and inspection of properties to check their actual existence, condition, and location and to ensure that inventory records are accurate and updated.

This activity strengthens proper asset management and promotes transparency, accountability, and responsible use of government resources in support of efficient operations and quality public service.

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๐”๐๐ˆ๐“๐„๐ƒ ๐…๐Ž๐‘ ๐๐„๐“๐“๐„๐‘ ๐ˆ๐‘๐‘๐ˆ๐†๐€๐“๐ˆ๐Ž๐ ๐’๐„๐‘๐•๐ˆ๐‚๐„๐’๐ญ๐ซ๐จ๐ง๐ ๐ž๐ซ ๐ฉ๐š๐ซ๐ญ๐ง๐ž๐ซ๐ฌ๐ก๐ข๐ฉ๐ฌ, ๐จ๐ฉ๐ž๐ง ๐œ๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐œ๐š๐ญ๐ข๐จ๐ง, ๐š๐ง๐ ๐ฌ๐ก๐š๐ซ๐ž๐ ๐œ๐จ๐ฆ๐ฆ๐ข๐ญ๐ฆ๐ž๐ง๐ญ ๐Ÿ๐จ๐ซ ๐จ๐ฎ๐ซ ๐Ÿ๐š๐ซ๐ฆ๐ž๐ซ๐ฌ.The...
04/09/2026

๐”๐๐ˆ๐“๐„๐ƒ ๐…๐Ž๐‘ ๐๐„๐“๐“๐„๐‘ ๐ˆ๐‘๐‘๐ˆ๐†๐€๐“๐ˆ๐Ž๐ ๐’๐„๐‘๐•๐ˆ๐‚๐„

๐’๐ญ๐ซ๐จ๐ง๐ ๐ž๐ซ ๐ฉ๐š๐ซ๐ญ๐ง๐ž๐ซ๐ฌ๐ก๐ข๐ฉ๐ฌ, ๐จ๐ฉ๐ž๐ง ๐œ๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐œ๐š๐ญ๐ข๐จ๐ง, ๐š๐ง๐ ๐ฌ๐ก๐š๐ซ๐ž๐ ๐œ๐จ๐ฆ๐ฆ๐ข๐ญ๐ฆ๐ž๐ง๐ญ ๐Ÿ๐จ๐ซ ๐จ๐ฎ๐ซ ๐Ÿ๐š๐ซ๐ฆ๐ž๐ซ๐ฌ.

The Federation of Irrigatorsโ€™ Associations of NIA-MARIIS Division I (FIAD I) successfully conducted its 2026 General Assembly at the Multipurpose Hall, Batal, Santiago City, bringing together IA Presidents from the 12 Councils of Irrigatorsโ€™ Associations (CIAs) within Division I.

The activity was facilitated by the Institutional Development Unit (IDU) headed by Mr. Marlon S. Mauricio, Acting SIDO, under the guidance of Division Manager A Engr. Jaime Z. Ladiao. The assembly served as a venue to provide important updates, discuss irrigation concerns, and strengthen the partnership between NIA and the Irrigatorsโ€™ Associations.

Engr. Jibson D. Pine, Acting Principal Engineer C, welcomed the CIA officers and discussed the route and preparations for the upcoming System-Wide Evaluation at Division I.

One of the major highlights of the assembly was the presentation on the water level and current condition of Magat Dam by the Dam and Reservoir Division (DRD). Engr. Calvin Rabilles, Engineer A of the Flood Forecasting and Instrumentation Section, together with Engr. Edwin B**g Viernes, Head of the Flood Forecasting and Instrumentation Section and Civil Works, provided updates to help the IA leaders better understand the current water situation.

Meanwhile, Mr. Marlon S. Mauricio presented the status of the Financial Statements of the various CIAs and discussed preparations for the upcoming System-Wide Evaluation. He also reminded the IA Presidents and officers to complete the necessary additional data and documents required for the evaluation.

Updates from various Division I units were also presented. Engr. Gerald Ballad, Acting Hydrologist, discussed updates on the Operation and Maintenance Unit, while Engr. Romar Jay Lacambra, Engineer A, presented the status of the ongoing projects. Engr. Gefferson Panugan, Engineer A, also shared the latest updates and accomplishments of the Equipment and Maintenance Unit.

The assembly also provided an opportunity for an Open Forum, where IA Presidents and farmers openly raised concerns from their respective areas and shared suggestions, including proposed adjustments to the route of the upcoming System-Wide Evaluation.

In his message, Engr. Jaime Z. Ladiao, Division Manager A, emphasized the importance of continued cooperation and partnership between NIA and the Irrigatorsโ€™ Associations in ensuring efficient irrigation management and responsive service to farmers.

The activity concluded with the closing remarks of Engr. Laila S. Acosta, Acting Supervising Engineer A, highlighting the importance of unity and collaboration in achieving shared goals for the irrigation sector.

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04/09/2026

โ€œ๐€๐ฅ๐ฆ๐จ๐ฌ๐ญ ๐๐ž๐ซ๐Ÿ๐ž๐œ๐ญ!โ€ ๐๐ˆ๐€ ๐Œ๐€๐‘๐ˆ๐ˆ๐’ ๐ƒ๐ข๐ฏ๐ข๐ฌ๐ข๐จ๐ง ๐ˆ๐ˆ๐ˆ ๐ˆ๐ฆ๐ฉ๐ซ๐ž๐ฌ๐ฌ๐ž๐ฌ ๐„๐ฏ๐š๐ฅ๐ฎ๐š๐ญ๐จ๐ซ๐ฌ ๐ข๐ง ๐–๐ž๐ญ ๐‚๐ซ๐จ๐ฉ ๐Ÿ๐ŸŽ๐Ÿ๐Ÿ”

Division III of NIA MARIIS once again demonstrated its commitment, teamwork, and dedication during the five-day System-Wide Evaluation for Wet Crop 2026, held from August 31 to September 4, 2026. The evaluation included the checking of documents, irrigation canals, and structures, as well as the assessment of various operational and financial records, Irrigators Associations (IA) Kubo, IA Flags, and CIA offices.

โ€œ๐—”๐—น๐—บ๐—ผ๐˜€๐˜ ๐—ฃ๐—ฒ๐—ฟ๐—ณ๐—ฒ๐—ฐ๐˜.โ€ This was the assessment given by the evaluators from the NIA Head Office during the wrap-up meeting, recognizing Division IIIโ€™s strong performance across the evaluation criteria and its effective management of 91 Irrigators Associations (IAs) and 11 Councils of Irrigatorsโ€™ Associations (CIAs).

Mr. Barry Reyes noted that the Division not only maintained but also exceeded its performance during the previous Dry Crop 2026 evaluation. Mr. Glenn Gapay likewise commended the Operations Team for its proper documentation, noting that the personnel were well-prepared and knowledgeable about their respective records. Engr. Octavio T. Hermoso Jr. of the Institutional Development Section also recognized Division IIIโ€™s Gulayan sa Canal initiative and noted that the Division has the most actively involved IAs among the divisions. On the financial aspect, Ms. Juvielyn C. Valenzuela said that the bookkeepers are setting the bar high in maintaining their financial records, while Engr. Edwil James D. Morales shared that he found no findings in the records presented. Engr. Alger Bautista also noted that almost all of Division IIIโ€™s canals had been desilted.

The evaluators encouraged the Division to sustain its current performance and continue striving for further improvement. They commended the entire Division for its exemplary performance, noting that the accomplishments demonstrated why Division III deserved the Most Improved Division for CY 2025 award.

Overall, the evaluation highlighted the collective effort, preparedness, and dedication of the personnel of NIA MARIIS Division III. Engr. Jaime M. Lara, Division Manager A, attributed the Divisionโ€™s achievements to the dedication, teamwork, and sacrifices of everyone behind its operations.

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Siffu Dam as of 11:00AM | September 4, 2026   sa
04/09/2026

Siffu Dam as of 11:00AM | September 4, 2026


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04/09/2026

Address

Minante 1
Cauayan
3305

Opening Hours

Monday 7:45am - 5pm
Tuesday 7:45am - 5pm
Wednesday 7:45am - 5pm
Thursday 7:45am - 5pm
Friday 7:45am - 5pm

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