dataset · United Kingdom
Government / regulator
Historic reconstructions of monthly groundwater levels for 54 UK boreholes (1891-2015)
This dataset is a model output created using the BGS AquiMod model. It provides monthly groundwater level relative to the Ordnance Datum (maOD) from 1891 to 2015, reconstructed for 54 observation boreholes across the UK. Based on the Generalised Likelihood Uncertainty Estimation (GLUE) methodology, 90th percentile and 10th percentile confidence bounds have been estimated and are given for each of reconstructed groundwater level time series.
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What's in it
- Data offered docs-verified
- monthly groundwater level (maOD) reconstructions for 54 UK boreholes · 10th and 90th percentile uncertainty bounds (GLUE)
- Coverage docs-verified
- United Kingdom (54 observation boreholes) · 1891-01-01 to 2015-12-31
- Resolution docs-verified
- Monthly time step (per borehole, 54 sites)
- Formats docs-verified
- CSV
- Access docs-verified
- Free download under the Open Government Licence (OGL)
Useful for
- Use cases llm-inferred
- Historic groundwater baseline for flood risk or hydrogeological assessments where local long-term records are short · Drought and low-groundwater context for water resources assessments · Benchmarking or calibrating groundwater models against 1891-2015 borehole reconstructions
- Audience llm-inferred
- hydrogeologists · water resources engineers · flood risk consultants · environmental consultants
Limitations
- Constraints llm-inferred
- Model-derived reconstructions (AquiMod), not observed measurements · Uncertainty bounds come from GLUE with a behavioural threshold of Nash-Sutcliffe Efficiency above 0.5 · Covers only 54 boreholes, so it is not a national grid · Monthly time step only; irregular NGLA records were linearly interpolated · Series ends in 2015 and is not a current monitoring feed
- Licence
- Open government licence
- Authentication
- Unknown — review source docs
- GitHub stars
- Unknown
- Last commit
- Unknown
- Last successful page check
- 16/10/2026
- Page health
- healthy
- Package
- Not recorded
- Verification
- Not independently verified
Provenance & evidence
Listed in ukceh-eidc public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (ukceh-eidc)