Northern Natural Gas
System Underrun Limitation (SUL) Summary 2019 - 2021
May 2021Area Called
No SUL was called for May 2021 
April 2021Area Called
No SUL was called for April 2021 
March 2021Area Called
No SUL was called for March 2021 
February 2021Area Called
No SUL was called for February 2021 
January 2021Area Called
No SUL was called for January 2021 
December 2020Area Called
No SUL was called for December 2020 
November 2020Area Called
No SUL was called for November 2020 
October 2020Area Called
No SUL was called for October 2020 
September 2020Area Called
No SUL was called for September 2020 
August 2020Area Called
No SUL was called for August 2020 
July 2020Area Called
No SUL was called for July 2020 
June 2020Area Called
No SUL was called for June 2020 
May 2020Area Called
No SUL was called for May 2020 
April 2020Area Called
No SUL was called for April 2020 
March 2020Area Called
No SUL was called for March 2020 
February 2020Area Called
No SUL was called for February 2020 
January 2020Area Called
No SUL was called for January 2020 
December 2019Area Called
No SUL was called for December 2019 
November 2019Area Called
No SUL was called for November 2019 
October 2019Area Called
No SUL was called for October 2019 
September 2019Area Called
No SUL was called for September 2019 
August 2019Area Called
No SUL was called for August 2019 
July 2019Area Called
No SUL was called for July 2019 
June 2019Area Called
No SUL was called for June 2019 
May 2019Area Called
No SUL was called for May 2019 
April 2019Area Called
No SUL was called for April 2019 
March 2019Area Called
No SUL was called for March 2019 
February 2019Area Called
No SUL was called for February 2019 
January 2019Area Called
No SUL was called for January 2019