GS1247 VPA 83 Lango Safe Water Project

Audit Analysis

The Lango Safe Water Project (boreholes, Uganda) has VVB-confirmed additionality and no reported reversal events, but is undermined by a project-specific baseline, a 0% leakage deduction that contradicts the PDD's original 5% figure, the absence of a buffer pool, and an unusually long list of corrective actions spanning calculation errors, missing evidence, and methodological gaps. Multiple cross-document contradictions on leakage justification, fNRB method, usage rates, and the crediting period further erode confidence in the data integrity.

Project Description

Red Flags

• ⚠Leakage deduction reduced from 5% (PDD, 2023) to 0% (verification report, 2024) with contradictory justifications ('quantified' vs 'deemed negligible'), raising over-crediting risk
• ⚠Extensive corrective actions (30+ items) covering missing ER calculations, inconsistent breakdown days, incorrect table values, missing coordinates/photos, and methodological gaps indicate persistent documentation and calculation quality issues
• ⚠Crediting period contradiction: validation report (2025) states 2025–2030 while the PDD (2023) states 2013–2026, creating uncertainty about the actual project timeline
• ⚠fNRB method contradiction: verification report (2024) records 'local field' measurement while the monitoring report (2023) records 'national default', which could materially change the baseline

Credit Vintages