GS1247 VPA 233 Sierra Leone Safe Water
GS-2655 ↗ · current registry ID: GS10665
#529of 1329 in Industrial#4of 16 in Sierra Leone#827of 1801 in Gold Standard (GS)
Audit Analysis
The Sierra Leone Safe Water project has VVB-confirmed additionality and no reversal events, but is undermined by a large volume of corrective actions (including a material error in ER calculation formulas), a shift from a 5% leakage deduction in the PDD to 0% in the verification report, and the absence of a buffer pool. Multiple contradictions across documents on leakage, usage rates, and monitoring methods reduce confidence in the MRV chain.
Red Flags
- CAR04: ER calculation formulas for PTDs did not include all crediting days or all boreholes per VPA — a material error in the credit calculation that was identified and corrected during verification
- Leakage deduction reduced from 5% in the PDD (2023) to 0% in the verification report (2026), with justification shifting from 'quantified' to 'deemed negligible'
- Five open FARs (FAR 01–05) remain unresolved, including SDG indicator evaluation and fNRB reporting at VPA level
- Usage monitoring method contradicts between documents: 'annual_survey' in the verification report vs 'self_report' in the monitoring report
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2022 | 2,986 | 2,986 | 0 | |
| 2023 | 3,546 | 0 | 3,546 | |
| Total | 6,532 | 2,986 | 3,546 |
Risk Indicators
VVB-confirmed combined test
no reversals but finite hardware life
0% deduction; was 5% in PDD; 'deemed negligible'
Project-specific; reassessed 2024
FPIC, grievance mechanism, benefit sharing documented
CORSIA and CCP status not stated
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