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Abstract：
Our assessment of 30 water bodies in the vicinity of the Mae Moh coal mine and power station in northern Thailand does not indicate substantial water quality management challenges to developing fisheries/aquaculture in peripheral reservoirs and streams. Negative water quality issues such as high concentrations of arsenic (2-17 μg/L) and ions including sulfate (868-2605 mg/L), sodium (217-552 mg/L), and total ammonia (<1-5 mg/L) were associated with groundwater and surface water resources on the facility, as well as the stream network draining from it. Total dissolved solids were also very high, ranging from 658 to 3610 mg/L. Six of seven ponds tested had As concentrations in the range of 5-17 μg/L. Although these levels are less than the Thai regulation for industrial effluent, they are elevated over background surface water concentrations. The highest concentration in a contaminated stream was 10.54 μg/L As, which is only slightly above the WHO (2017) regulation of 10 μg/L for drinking water. Ponds, contaminated streams, and deep subsurface water should not be used for fisheries/aquaculture without extensive remediation/treatment. Concentrations of these water parameters in peripheral streams and reservoirs were not of environmental concern. High water hardness (161-397 mg/L CaCO3 and potential ionic imbalances may be the greatest hindrances to developing sustainable fisheries and aquaculture in reservoirs in the study area. Routine monitoring of inorganic As species and other contaminants in water is needed to assess the full extent of arsenic risk at the site following closure.
摘要：
我们对泰国北部MaeMoh煤矿和电站附近的30个水体进行的评估并未表明在外围水库和溪流中发展渔业/水产养殖所面临的重大水质管理挑战。负水质问题，例如高浓度的砷（2-17μg/L）和包括硫酸根（868-2605mg/L）在内的离子，钠（217-552毫克/升），和总氨（<1-5毫克/升）与设施上的地下水和地表水资源有关，以及从中流失的流媒体网络。总溶解固体也很高，范围从658到3610mg/L测试的七个池塘中有六个的As浓度在5-17μg/L范围内。尽管这些水平低于泰国对工业废水的规定，它们高于背景地表水浓度。污染流中的最高浓度为10.54μg/LAs，这仅略高于世界卫生组织(2017年)规定的饮用水10μg/L。池塘,受污染的溪流，如果没有广泛的补救/处理，则不应将深层地下水用于渔业/水产养殖。这些水参数在外围溪流和水库中的浓度与环境无关。高水硬度（161-397mg/LCaCO3和潜在的离子失衡可能是研究区域水库发展可持续渔业和水产养殖的最大障碍。需要对水中的无机砷物种和其他污染物进行常规监测，以评估关闭后现场的砷风险程度。
