Barangay
Calumangan
Calumangan, City of Bago, Negros Occidental, Negros Island Region (NIR). Urban. Population 9,758 (2024 POPCEN).
PSGC 1804502009 · Source: PSA, PSGC 3Q 2026 Publication Datafile
Public records linked to Calumangan
Counts include this barangay and every LGU under it. Each record carries how it was linked and a confidence level; figures are as recorded by the source and exclude single amounts of ₱10B+ held for verification. They are not findings.
DPWH infrastructure projects
Contracts on the DPWH Transparency portal, placed by coordinates first. Source: DPWH Transparency portal
10 records · ₱197,806,318.83
- Construction of Bank Protection Structure Along Calumangan River, Bago City, Negros Occidental₱48,794,199.32 · 2022 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Flood Control Structure at Calumangan River, Brgy. Calumangan, Bago City, Negros Occidental₱48,568,433.55 · 2022 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Concrete Road - Jct. Bacolod South Road Connecting Bangga Maria Morena and Relocation Site in Support of Tumandok Crafts Industries, Alter Trade Manufacturing Corp., Engergreen Power Development and Management Inc., and Hoc Po Feeds Corpor₱33,664,947.62 · 2018 · medium confidence (project coordinates inside the barangay boundary)
- Construction Upgrading Rehabilitation of Drainage Along National Road, Bacolod South Road Including Rrow, K0016+836 - K0018+487, Bago City, Negros Occidental₱32,243,463.44 · 2017 · medium confidence (project coordinates inside the barangay boundary)
- Retrofitting/Strengthening of Permanent Bridges - Calumangan Br. (B00478nr) Along Bacolod South Rd., Bago City, Negros Occidental₱18,619,989.87 · 2023 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Multi-Purpose Building in Barangay Calumangan (Covered Court), Bago City, Negros Occidental₱4,910,225.16 · 2025 · medium confidence (project coordinates inside the barangay boundary)
How linked: 10 by project coordinates inside the barangay boundary.
Contracts this LGU awarded (PhilGEPS)
PhilGEPS awards where the procuring entity is this LGU. Source: PhilGEPS award notices
Not yet linked to Calumangan itself. This shows the city figure for City of Bago.
1 record · ₱20,026,138.96
- City of Bago, Negros Occidental₱20,026,138.96 · high confidence (the LGU itself is the buyer)
How linked: 1 by the LGU itself is the buyer.
PhilGEPS awards delivered here (all agencies)
Awards by any agency whose area of delivery is this province. PhilGEPS records delivery areas at province level only. Source: PhilGEPS award notices
Not yet linked to Calumangan itself. This shows the province figure for Negros Occidental.
73,531 records · ₱151,501,711,149.64
73,122 placed at Negros Occidental level itself; the rest in LGUs under it.
- Negros Occidental₱151,501,711,149.64 · 73,122 awards · high confidence (area of delivery is this province only)
- Aklan, Antique, Capiz, Guimaras, Iloilo, Negros Occidental₱1,463,235,095.91 · 175 awards · low confidence (area of delivery lists several provinces)
- Aklan, Antique, Capiz, Iloilo, Negros Occidental₱353,942,479.43 · 58 awards · low confidence (area of delivery lists several provinces)
- Iloilo, Negros Occidental₱103,684,337.51 · 32 awards · low confidence (area of delivery lists several provinces)
- Antique, Capiz, Guimaras, Iloilo, Negros Occidental₱59,881,784.10 · 6 awards · low confidence (area of delivery lists several provinces)
- Antique, Negros Occidental₱59,732,487.47 · 31 awards · low confidence (area of delivery lists several provinces)
How linked: 73,122 by area of delivery is this province only; 409 by area of delivery lists several provinces.
Local Government Support Fund releases
DBM LGSF project releases by province, city/municipality and barangay. Source: DBM COMPASS
3 records · ₱10,000,000.00
- Electrification of Barangay Calumangan₱5,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Construction of Level Iii Potable Water Supply System in Purok Paghidaet, Brgy Calumangan₱2,500,000.00 · 2026 · high confidence (location columns in the DBM release)
- Construction of Level Iii Potable Water Supply System in Purok Laguerta, Brgy Calumangan₱2,500,000.00 · 2026 · high confidence (location columns in the DBM release)
How linked: 3 by location columns in the DBM release.
GAA budget lines naming this place
General Appropriations Act lines whose text ends in this city/municipality and province. Source: DBM General Appropriations Act
2 records · ₱51,500,000.00
- Construction of Flood Control Structure at Calumangan River, Brgy. Calumangan, Bago City, Negros Occidental₱50,000,000.00 · 2022 · medium confidence (GAA line text names the place)
- Construction of Multi-Purpose Building, Brgy. Calumangan, Bago City, Negros Occidental₱1,500,000.00 · 2019 · medium confidence (GAA line text names the place)
How linked: 2 by GAA line text names the place.
COA annual audit reports
Not yet linked: the COA reports loaded so far cover national agencies only. LGU audit reports are published at coa.gov.ph.
Published anomaly flags
Patterns in the linked records that reviewers checked and published. A flag is a question worth asking, not a finding of wrongdoing.
- Pattern Consistent with Contract SplittingConstruction of Flood Control Structure at Calumangan River, Brgy. Calumangan, Bago City, Negros OccidentalContractor: Silver Dragon Const & Lumber & Glass Supply Inc
- Pattern Consistent with Contract SplittingConstruction of Bank Protection Structure Along Calumangan River, Bago City, Negros OccidentalContractor: Silver Dragon Const & Lumber & Glass Supply Inc
Contractors on linked DPWH projects
Download this list (CSV) · All bulk data
All 7 contractors on DPWH projects linked to Calumangan and the LGUs under it. Click a column to sort.
| Silver Dragon Const & Lumber & Glass Supply INC | 2 | ₱97,362,632.87 | 2 |
| Supreme Abf Const | 2 | ₱35,439,378.06 | 0 |
| Silver Dragon Const | 1 | ₱32,243,463.44 | 0 |
| Afg Zillion Const CORP Formerly: A F G Const | 1 | ₱18,619,989.87 | 0 |
| Emr Builders And Development CORP Formerly: Emr Builders | 2 | ₱9,819,955.99 | 0 |
| Cggfr Const | 1 | ₱2,880,598.54 | 0 |
| Negros Golden Horse Const CORP | 1 | ₱1,440,300.06 | 0 |
Costs as recorded by DPWH; single amounts of ₱10B+ are held for verification and excluded. Flags count published automated anomalies on this contractor's projects or awards here, plus flags on the contractor itself; they are not findings.
Taxes collected by the BIR in Negros Occidental
BIR publishes collections by province and city, not by town or barangay. Calumangan is in Negros Occidental.
₱8.86 billion
Collected, January-August 2026 (tentative BIR figures, ₱ million in the source)
Includes collections BIR reports together for City of Bacolod.
These are taxes collected by national BIR offices located here, including from businesses headquartered here. They are not the LGU’s own income. Source: BIR Revenue Accounting Division, Tentative internal revenue collections by region and province, January-August 2026 (BIR collection statistics). All provinces and cities
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