Drilling · BW-DR-0087
Makgadikgadi hydrogeology boreholes
Water boreholes with brine chemistry where sampled. Digitised from paper logs by Soma.
Lineage
Click a node to trace upstream and downstream
100%
Data flow
Migrated once
Live pull
Model output, commodity colour
Off the selected path
GovernedIn progressLive pullDeferred
Strand count follows volume. Models are illustrative.
Upstream sources
Feeds
Audit trail
Append-only
| When | Who | What |
|---|---|---|
| 2026-09-08 14:05 | EICB curator | Added to data room: Kalahari Copperbelt |
| 2026-09-02 09:12 | Pipeline etl-geochem-v4 | Reloaded, 18,420 rows, checksum ok |
| 2026-08-30 16:40 | T. Kgosi | Confidence class A confirmed (CRM, blanks, duplicates) |
| 2026-08-21 11:02 | Data steward | Classification set to public |
Metadata
ISO 19115 core
- Custodian
- Department of Water Affairs
- Source organisation
- DWA
- Confidence
- C Class C
- Review status
- machine
- Visibility
- internal
- Records
- 412
- Coverage
- 19,000 km²
- Vintage
- 1971 to 2014
- Format
- Scanned logs, extracted CSV
- CRS
- EPSG:4326 (orig. Cape datum)
- Updated
- 2026-09-05
Quality
Completeness
64% - Spatial accuracy
- ±500 m
- QA/QC
- None recorded
Exports
Generated from the governed source
Bundles carry a manifest: catalogue codes, confidence, licence, checksums.