aquifers, finalizes coal plant pollution rollback

The Trump administration on Monday finalized its weakening of an Obama-era rule aimed at reducing polluted wastewater from coal-burning power plants that has contaminated streams, lakes and underground aquifers.https://to.pbs.org/3gTySOR

PBS.ORG
Trump administration finalizes coal plant pollution rollback
The changes finalized Monday will allow utilities to use cheaper wast

  aquifer 

含水層^[1]（英語：aquifer），也作蓄水層^[2]，是指地底一層含有水分的滲透岩、岩石碎隙或未固結的材料（礫石、沙、淤泥）。人們可通過打鑽水井來從含水層提取地下水。研究含水層的水流、含水層特徵的學科被稱為水文地質學。

An aquifer cross-section. This diagram shows two aquifers with one aquitard (a confining or impermeable layer) between them, surrounded by the bedrock aquiclude, which is in contact with a gaining stream (typical in humid regions). The water table and unsaturated zone are also illustrated.