Changes in version 0.1.2 - Metadata-only patch after the v0.1.1 Zenodo record, which was cut while DESCRIPTION still said 0.1.0. CITATION.cff and inst/CITATION carry the Zenodo concept DOI and declare the work as a dataset; DESCRIPTION gains keywords and the spatial and temporal coverage; the pkgdown site is configured per the openwashdata standard and deployed from gh-pages; R CMD check runs in CI. The data are unchanged. Changes in version 0.1.1 - Fix release on GitHub and first Zenodo record (2025-07-08). Changes in version 0.1.0 (2025-07-08) - Initial release to GitHub - Added core data processing pipeline (#3) - Enhanced documentation with proper README and function documentation (#4) - Added CI/CD workflows with R CMD check (#5) - Fixed data quality issues including removal of unusually low pH values (#5) - Implemented standard openwashdata package structure - Added CSV and XLSX export formats in inst/extdata/