Tasirin muhalli na masana'antar sinadarai a Sarnia

"Chemical Valley" na Sarnia da kewayen yankin suna da gida ga wuraren sinadarai 62 da kuma refineries. Wani rahoto na Ecojustice Canada na 2007 ya nuna cewa wuraren masana'antu da ke cikin kilomita 25 na Sarnia, Ontario sun fitar da fiye da tan 131,000 na gurɓataccen iska a shekara ta 2005. 

 Rashin gurɓata iska da cututtuka 
A watan Janairun shekara ta 2011, Sarnia Observer ya lura cewa "Sarnia tana da mafi girman matakan ƙwayoyin ƙwayoyin da aka rubuta a kowane ɗayan tashoshin sa ido 40 na lardin, tare da iska mai iska fiye da Windsor, Hamilton, Kingston, da Chatham. "  A watan Satumbar shekara ta 2011, Hukumar Lafiya ta Duniya ta ba da rahoton cewa "[yayinda Kanada ta kasance ta uku a duniya idan ya zo ga ingancin iska, Sarnia ta zama mafi munin birni a cikin ƙasar haihuwar maza a cikin ƙasar, tare da mafi ƙwayoyin cubic mita na iska".  Pamela Calvert da ke cikin Aji House 1 da Amurkawa,  Farko na farko sun ficewar maza da ake kira Canada.[w] Har ila yau, akwai alaƙa tsakanin rayuwa a Sarnia da yawan ciwon daji tsakanin maza - yana da kashi 34% mafi girma fiye da matsakaicin lardin, yawan ciwon huhu wanda ya fi 50% mafi girma, yawan mesothelioma sau biyar mafi girma, da kuma asbestosis sau tara mafi girma.

 Rashin gurɓata ruwa 
Rashin gurɓata ruwa babban damuwa ne a Sarnia. Wani binciken da aka yi a watan Yunin 2003 na Jami'ar Ryerson ya kammala cewa babban tushen gurɓataccen ruwa a cikin Kogin St. Clair yana faruwa ne a Cibiyar Kula da Ruwan Ruwan Sarnia (WPCC) saboda zubar da sinadarai da hayakin Jirgin ruwa. A shekara ta 2008, birnin ya yanke shawarar maye gurbin tsoffin famfo na datti wanda ke sarrafa ruwan. Minti na taron da aka yi tsakanin Magajin garin Mike Bradley da Majalisar Birnin Sarnia sun bayyana cewa "[t]ya kashe kuɗin gyaran famfo na ruwa mai tsabta wani muhimmin bangare ne na sayen sabon raka'a. Koyaya, bisa ga aikin raka'a na yanzu a cikin shekaru 8 da suka gabata, ma'aikatan birni sun fi son duba wasu masana'antun don maye gurbin famfo na Fairbanks-Morse na yanzu yayin da suke buƙatar sake ginawa na biyu. "  A cikin rahoton rarraba ruwa ya wuce sakamakon gwajin da aka tsara don rahoton mai kyau na Ontario.

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