<ARTICLE> 5
<LEGEND>
The following schedule contains financial information extracted from the
Questar Gas Company Income Statements 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>                                   76,298
<ALLOWANCES>                                         0
<INVENTORY>                                     12,996
<CURRENT-ASSETS>                                91,525
<PP&E>                                         950,684
<DEPRECIATION>                                 392,018
<TOTAL-ASSETS>                                 672,795
<CURRENT-LIABILITIES>                          130,985
<BONDS>                                        225,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        22,974
<OTHER-SE>                                     218,708
<TOTAL-LIABILITY-AND-EQUITY>                   762,795
<SALES>                                              0
<TOTAL-REVENUES>                               172,302
<CGS>                                                0
<TOTAL-COSTS>                                  123,603
<OTHER-EXPENSES>                                10,892
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               5,105
<INCOME-PRETAX>                                 33,207
<INCOME-TAX>                                    12,949
<INCOME-CONTINUING>                             20,258
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    20,258
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0