Using xsv (https://github.com/BurntSushi/xsv):

  cargo install xsv
  xsv search -s ZIPCODE <zipcode> -d $'\t' UCMR3_ZipCodes.txt
  xsv search -s PWSID <pwsid> -d $'\t' UCMR3_All.txt |
    xsv search -s AnalyticalResultsSign = |
    xsv select FacilityName,Contaminant,AnalyticalResultsValue |
    xsv table