Flood Control and Drainage20CN0016

CONSTRUCTION OF FLOOD CONTROL CALABGAN RIVER, CASIGURAN, AURORA

CONSTRUCTION OF FLOOD CONTROL CALABGAN RIVER, CASIGURAN, AURORA is a DPWH-tracked public work in Aurora DEO, Region III. Reported contract value: ₱39,200,000.00. Status: Reported complete (DPWH). Contractor on record: R N G M CONST CORP FORMERLY: R N G M CONST. Figures trace to dpwh.

Aurora DEO, Region III

Region: Region III

Esri Wayback · ~0.5 mLocation approximate

Before capture: 2018-12-10 · Maxar

After capture: 2025-05-19 · Vantor

Satellite comparison for public reference — not proof of completion or non-completion.

Imagery may not show small or linear works; no visible change is not evidence of wrongdoing.

Imagery © Esri, Maxar, Earthstar Geographics, and the GIS User Community

Caveats & resolution

Esri World Imagery Wayback (~0.5–1 m); dates are archive release dates, not capture timestamps.
Imagery may not show small or linear works; no visible change is not evidence of wrongdoing.
DPWH coordinates can be approximate; marker shows the imagery center (may be snapped to riverbank/coast).

Disclaimer

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Total Contract Cost

₱39,200,000.00

Progress100%

Source: DPWH Transparency Portal (via BetterGov.PH mirror, snapshot 22 Jan 2026); Sumbong sa Pangulo flood-control list where applicable

Follow the peso

2 of 5 steps linked to this project. Links are automated matches unless marked confirmed.

1. GAA budget line
FY2020 · ₱40,000
Probable match · score 0.96
DBM GAA source ↗
2. SARO / NCA release
No SARO/NCA found for this office and year. DBM publishes releases by agency and office, rarely by project.
3. PhilGEPS award
Not found in PhilGEPS by contract ID 20CN0016 or title. The open PhilGEPS mirror does not include every DPWH notice.
4. DPWH progress + satellite
100% reported · imagery 2018-12-10 → 2025-05-19
Same record (DPWH contract ID)
DPWH Transparency Portal source ↗
5. COA audit finding
No COA finding names this project. COA audits DPWH by office each year; project-level findings are only linked when the report names the contract.

Site vs flood hazard · Project NOAH 100-year map

High flood hazard · Aurora

Based on the coordinates published with the DPWH record and NOAH file Aurora.zip. Pins are sometimes placed at the town center rather than the site. NOAH data (ODbL) · Need vs spending by province

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Money Trail

1. Appropriation

Probable match · score 96%

UACS: 18001
Amount: ₱40,000,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description: Construction of Flood Control Calabgan River, Casiguran, Aurora
GAA fiscal year: FY2020

DBM GAA source document