TY - RPRT TI - Decadal trends in the quality of groundwater used for public drinking-water supply in California, 2004–2023, California groundwater ambient monitoring and assessment program, priority basin project AU - Zeno F. Levy AU - Andrew L. Soldavini PY - 2026 DO - 10.31223/x5wr02 UR - https://pubs.usgs.gov/publication/70274128 ID - 70274128 ER -