IGC GD 2020

NOTICE:This report is required by 49 CFR Part 191. Failure to report can result in a civil penalty not to
exceed 100,000 for each violation for each day that such violation persists except that the maximum civil OMB NO:2137-0629
penalty shall not exceed$1,000,000 as provided in 49 USC 60122. EXPIRATION DATE:10/31/2021
Initial Date 03/12/2021
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Submitted:
U.S Department of Transportation Form Type: INITIAL
Pipeline and Hazardous Materials Safety Administration
Date
Submitted:
ANNUAL REPORT FOR
CALENDAR YEAR 2020
GAS DISTRIBUTION SYSTEM
A federal agency may not conduct or sponsor,and a person is not required to respond to,nor shall a person be subject to a penalty for failure to comply with a collection of
information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a current valid OMB Control Number. The OMB Control
Number for this information collection is 2137-0629. Public reporting for this collection of information is estimated to be approximately 16 hours per response,including the
time for reviewing instructions,gathering the data needed,and completing and reviewing the collection of information. All responses to this collection of information are
mandatory. Send comments regarding this burden estimate or any other aspect of this collection of information,including suggestions for reducing this burden to:Information
Collection Clearance Officer,PHMSA,Office of Pipeline Safety(PHP-30)1200 New Jersey Avenue,SE,Washington,D.C.20590.
Important: Please read the separate instructions for completing this form before you begin. They clarify the information requested and provide specific
examples. /f you do not have a copy of the instructions,you can obtain one from the PHMSA Pipeline Safety Community Web Page at http://www.
phmsa.dot.gov/p>�eline/library/forms.
PART A-OPERATOR INFORMATION (DOT use only) 20211146-42582
1. Name of Operator INTERMOUNTAIN GAS CO
2. LOCATION OF OFFICE(WHERE ADDITIONAL
INFORMATION MAY BE OBTAINED)
2a.Street Address 555 SOUTH COLE RD
2b.City and County Boise ADA
2c.State ID
2d.Zip Code 83709
3.OPERATOR'S 5 DIGIT IDENTIFICATION NUMBER 8160
4. HEADQUARTERS NAME&ADDRESS
4a.Street Address 555 SOUTH COLE ROAD
4b.City and County BOISE
4c.State ID
4d.Zip Code 83709
5.STATE IN WHICH SYSTEM OPERATES ID
6.THIS REPORT PERTAINS TO THE FOLLOWING COMMODITY GROUP(Select Commodity Group based on the predominant gas carried and
complete the report for that Commodity Group.File a separate report for each Commodity Group included in this OPID.)
Natural Gas
7.THIS REPORT PERTAINS TO THE FOLLOWING TYPE OF OPERATOR(Select Type of 0peratorbased on the structure of the company
included in this OPID for which this report is being submitted.):
Investor Owned
PART B-SYSTEM DESCRIPTION
1.GENERAL
STEEL
UNPROTECTED CATHODICALLY CAST/ DUCTILE RECONDITION SYSTEM
PROTECTED PLASTIC WROUGHT IRON COPPER OTHER ED TOTAL
IRON CAST IRON
BARE COATED BARE COATED
MILES OF 0 0 1.2 2361.7 4454.1 0 0 0 0 0 6817
MAIN
NO.OF 0 0 0 72339 320504 0 0 0 0 0 392843
SERVICES

2.MILES OF MAINS IN SYSTEM AT END OF YEAR
MATERIAL UNKNOWN 2"OR LESS OVER 2" OVER 4" OVER 8" OVER 12" SYSTEM TOTALS
THRU 4" THRU 8" THRU 12"
2362.9
STEEL 0 1334.7 623.7 364 40.5 0
0
DUCTILE IRON 0 0 0 0 0 0
0
COPPER 0 0 0 0 0 0
CAST/WROUGH 0 0 0 0 0 0 0
T IRON
0
PLASTIC PVC 0 0 0 0 0 0
4454.1
PLASTIC PE 0 3769 651.3 33.8 0 0
0
PLASTIC ABS 0 0 0 0 0 0
PLASTIC 0 0 0 0 0 0 0
OTHER
0
OTHER 0 0 0 0 0 0
RECONDITIONE 0 0 0 0 0 0 0
D CAST IRON
6817
TOTAL 0 5103.7 1275 397.8 40.5 0
Describe Other Material: Unkown
3.NUMBER OF SERVICES IN SYSTEM AT END OF YEAR AVERAGE SERVICE LENGTH:84
MATERIAL UNKNOWN 1"OR LESS OVER 1" OVER 2" OVER 4" OVER 8" SYSTEM TOTALS
THRU 2" THRU 4" THRU 8"
72339
STEEL 0 70363 1860 105 11 0
0
DUCTILE IRON 0 0 0 0 0 0
0
COPPER 0 0 0 0 0 0
CAST/WROUGH 0 0 0 0 0 0 0
T IRON
0
PLASTIC PVC 0 0 0 0 0 0
320504
PLASTIC PE 0 315962 4474 68 0 0
0
PLASTIC ABS 0 0 0 0 0 0
PLASTIC 0 0 0 0 0 0 0
OTHER
0
OTHER 0 0 0 0 0 0
RECONDITIONE 0 0 0 0 0 0 0
D CAST IRON
392843
TOTAL 0 386325 6334 173 11 0
Describe Other Material: Unknown
4.MILES OF MAIN AND NUMBER OF SERVICES BY DECADE OF INSTALLATION
PRE- 1940- 1950- 1960- 1970- 1980- 1990- 2000- 2010- 2020-
UNKNOWN 1940 1949 1959 1969 1979 1989 1999 2009 2019 2029 TOTAL

MILES OF 0 0 0 668.3 1058 719.1 359.1 1346.6 1671.2 865.5 129.2 6817
MAIN
NUMBER
OF 0 0 0 14971 31792 30599 27483 92185 114466 70268 11079 392843
SERVICES
PART C-TOTAL LEAKS AND HAZARDOUS LEAKS ELIMINATED/REPAIRED DURING THE YEAR
MAINS SERVICES
CAUSE OF LEAK
TOTAL HAZARDOUS TOTAL HAZARDOUS
CORROSION FAILURE 4 1 11 3
NATURAL FORCE DAMAGE 0 0 62 31
EXCAVATION DAMAGE 86 80 647 617
OTHER OUTSIDE FORCE 5 1 46 28
DAMAGE
PIPE,WELD OR JOINT FAILURE 8 6 187 14
EQUIPMENT FAILURE 2 1 971 20
INCORRECT OPERATIONS 13 5 35 10
OTHER CAUSE 7 6 32 10
rW�MBEROFKNOWN SYSTEM LEAKS AT END OF YEAR SCHEDULED FOR REPAIR:0
PART D-EXCAVATION DAMAGE PART E-EXCESS FLOW VALUE(EFV)AND SERVICE VALVE DATA
1.TOTAL NUMBER OF EXCAVATION DAMAGES BY APPARENT Total Number Of Services with EFV Installed During Year: 6735
ROOT CAUSE: 736
a. One-Call Notification Practices Not Sufficient: 331 Estimated Number Of Services with EFV In the System At End Of Year:
83490
b. Locating Practices Not Sufficient: 78
"Total Number of Manual Service Line Shut-off Valves Installed During
c. Excavation Practices Not Sufficient: 320 Year: 16
d. Other: 7
Estimated Number of Services with Manual Service Line Shut-off Valves
Installed in the System at End of Year: 649
*These questions were added to the report in 2017.
2. NUMBER OF EXCAVATION TICKETS : 124308
PART F-LEAKS ON FEDERAL LAND PART G-PERCENT OF UNACCOUNTED FOR GAS
TOTAL NUMBER OF LEAKS ON FEDERAL LAND REPAIRED OR UNACCOUNTED FOR GAS AS A PERCENT OF TOTAL CONSUMPTION
SCHEDULED TO REPAIR: 0 FOR THE 12 MONTHS ENDING JUNE 30 OF THE REPORTING YEAR.
[(PURCHASED GAS+PRODUCED GAS)MINUS(CUSTOMER USE+
COMPANY USE+APPROPRIATE ADJUSTMENTS)]DIVIDED BY
(CUSTOMER USE+COMPANY USE+APPROPRIATE ADJUSTMENTS)
TIMES 100 EQUALS PERCENT UNACCOUNTED FOR.
FOR YEAR ENDING 6/30: 0
PART H-ADDITIONAL INFORMATION

PARTI-PREPARER
David Gutschmidt,Manager of Compliance [phone]
(Preparer's Name and Title) (Area Code and Telephone Number)
[e-mail]
(Preparer's email address) (Area Code and Facsimile Number)