<ARTICLE> 5
<LEGEND>
The following schedule contains summarized financial information
extracted from the Questar Pipeline Company Consolidated Income
Statement and Balance Sheet for the period ended September 30, 1999,
and is qualified in its entirety by reference to such unaudited
financial statements.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                   24,860
<ALLOWANCES>                                         0
<INVENTORY>                                      2,916
<CURRENT-ASSETS>                                29,526
<PP&E>                                         692,616
<DEPRECIATION>                                 228,207
<TOTAL-ASSETS>                                 560,559
<CURRENT-LIABILITIES>                           89,592
<BONDS>                                        202,996
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,551
<OTHER-SE>                                     192,988
<TOTAL-LIABILITY-AND-EQUITY>                   560,559
<SALES>                                              0
<TOTAL-REVENUES>                                82,546
<CGS>                                                0
<TOTAL-COSTS>                                   27,159
<OTHER-EXPENSES>                                14,987
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              12,602
<INCOME-PRETAX>                                 29,096
<INCOME-TAX>                                    10,634
<INCOME-CONTINUING>                             18,462
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    18,462
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0