<ARTICLE> 5
<LEGEND>
The following schedule contains summarized financial information extracted
from the Questar Pipeline Company Consolidated Statements of Income and
Balance Sheets for the period ended March 31, 1999, and is qualified in its
entirety by reference to such unaudited financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                    4,893
<ALLOWANCES>                                         0
<INVENTORY>                                      2,890
<CURRENT-ASSETS>                                 9,355
<PP&E>                                         671,908
<DEPRECIATION>                                 219,630
<TOTAL-ASSETS>                                 529,370
<CURRENT-LIABILITIES>                           61,826
<BONDS>                                        203,007
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,551
<OTHER-SE>                                     192,239
<TOTAL-LIABILITY-AND-EQUITY>                   529,370
<SALES>                                              0
<TOTAL-REVENUES>                                27,166
<CGS>                                                0
<TOTAL-COSTS>                                    9,389
<OTHER-EXPENSES>                                 4,713
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,177
<INCOME-PRETAX>                                 11,187
<INCOME-TAX>                                     4,225
<INCOME-CONTINUING>                              6,962
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,962
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0