DNA evidence traces drinking water hazards back to farms and manure

 

https://madison.com/wsj/news/local/govt-and-politics/dna-evidence-traces-drinking-water-hazards-back-to-farms-and/article_daf21447-0b24-5b0e-a1a6-ab3f5f17094c.html?utm_medium=social&utm_source=facebook&utm_campaign=user-share&fbclid=IwAR3gXtJU0_3VuWKGGF9ekMPCbKYM-7Sf2pPgJrQZpqcdUBUv_4uiusu-YDs