1.When we have runoff from the urban environment, it could be carrying with it contamination due to animal waste (and) sewage overflows;
due to 由于;应归于,应归功于;应归咎于;因…而产生,(作为结果)发生
It was a real prize due to its rarity and good condition.
因为稀有并且品相完好,它价值连城 。
The traffic accident was allegedly due to negligence.
这次车祸据说是由于疏忽造成的 。
2.and if those enter the beaches through the normal pipes that terminate in the ocean,
terminate in 以...结尾,结局是...
Jane's unhappy married life terminated in divorce.
珍妮的不幸婚姻以离婚而告终 。
Our engagement with the Sitwell Company terminated in May.
我们与西特威尔公司的合同五月到期 。