蒂华纳污水流入美国河，导致疾病和海滩关闭。 Tijuana sewage flows into US river causing illness and beach closures.

已经多年来, 从蒂华纳的污水流入了蒂华娜河中, Raw sewage from Tijuana has flowed into the Tijuana River for years, causing severe health issues for thousands of Americans. 由于未经处理的废物中含有毒硫化气体, Toxic hydrogen sulfide gas from the untreated waste has led to widespread illness, beach closures, and disrupted Navy SEAL training. 尽管最近美国和墨西哥达成协议, 改善基础设施的建设工作仍缓慢, 新安全标准直到2030年才会生效. Despite a recent U.S.-Mexico agreement to upgrade infrastructure, cleanup remains slow, and new safety standards won't take effect until 2030.