IGC GG 2023 (2)

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
U.S.Department of
Initial Date 03/11/2024
Submitted
Transportation Pipeline and Hazardous ANNUAL REPORT FOR CALENDAR YEAR 2023
faMaterials NATURAL and OTHER GAS TRANSMISSION and Report
Safety Administration GATHERING SYSTEMS Submission INITIAL
Type
Date
Submitted
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 2137-0522. Public reporting for this collection
of information is estimated to be approximately 47 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. If 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.go v/pipeline/library/forms.
PART A-OPERATOR INFORMATION DOT USE ONLY 20240696-43892
1. OPERATOR'S 5 DIGIT IDENTIFICATION NUMBER(OPID) 2. NAME OF OPERATOR:
8160 INTERMOUNTAIN GAS CO
4. HEADQUARTERS ADDRESS:
3.RESERVED 555 SOUTH COLE ROAD
Street Address
BOISE
City
State:ID Zip Code:83709
5.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
13 Synthetic Gas
13 Hydrogen Gas
13 Propane Gas
13 Landfill Gas
13 Other Gas
Name of the Other Gas:
6. RESERVED
7. FOR THE DESIGNATED"COMMODITY GROUP",THE PIPELINES AND/OR PIPELINE FACILITIES INCLUDED WITHIN THIS OPID
ARE: (Select one or both)
0 INTERstate pipeline— List all of the States and OSC portions in which INTERstate
pipelines and/or pipeline facilities included under this OPID exist. etc.
® INTRAstate pipeline—List all of the States in which INTRAstate pipelines and or
pipeline facilities included under this OPID exist. IDAHO etc.
&RESERVED
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 1 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
Use this form for Type A, B, and C gas gathering. Type R gas gathering is reported on Form PHMSA F
7100.2-3.
For the designated Commodity Group, PARTs B and D will be calculated based on the data entered in
Parts L and P respectively. Complete Part C one time for all pipelines and/or pipeline facilities-both
INTERstate and INTRAstate-included within this OPID.
PART B—TRANSMISSION PIPELINE HCA,§192.710,and in neither HCA nor§192.710 MILES
Number of Class Location 3 Number of Class Location 1
Number of HCA Miles Number of§192.710 Miles or 4 Miles that are neither in or 2 Miles that are neither in
HCA nor in§192.710 HCA nor in§192.710
Onshore 12.79 4.77 58.754 209.747
Offshore 1 0 1 0 0 110
Total Miles 112.79 1 4.77 58.754 209.747
Part B1 —HCA Miles by Determination Method and Risk Model Type
Risk Model Type Miles HCA Method 1 Miles HCA Method 2 Total
Subject Matter Expert (SME) 0 0 0
Relative Risk 0 12.79 12.79
Quantitative 0 0 0
Probabilistic 0 0 0
Scenario-Based 0 0 0
Other 0 0 0
Total 0 12.79 12.79
PART C-VOLUME TRANSPORTED IN TRANSMISSION Check this box and do not complete PART C if this
PIPELINES(ONLY)IN MILLION SCF PER YEAR report only includes gathering pipelines or
®
(excludesTransmission lines of Gas Distribution systems) transmission lines of gas distribution systems.
Onshore Offshore
Natural Gas
Propane Gas
Synthetic Gas
Hydrogen Gas
Landfill Gas
Other Gas-Name:
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 2 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
PART D MILES OF PIPE BY MATERIAL AND CORROSION PREVENTION STATUS
Steel Cathodically Steel Cathodically
protected unprotected
Bare Coated Bare Coated Cast Wrough Plastic Comp Other Total
Iron t Iron ositel Miles
Transmission
Onshore 0 282.902 0 0 0 0 3.159 0 0 286.061
Offshore 0 0 0 0 0 0 0 0 0 0
Subtotal 0 282.902 0 0 0 0 3.159 0 0 286.061
Transmission
Gathering
Onshore Type A 0 0 0 0 0 0 0 0 0 0
Onshore Type B 0 0 0 0 0 0 0 0 0 0
Onshore Type C 0 0 0 0 0 0 0 0 0 0
Offshore 0 0 0 0 0 0 0 0 0 0
Subtotal Gathering 0 0 0 0 0 0 0 0 0 0
Total Miles 0 282.902 0 0 0 0 3.159 0 0 286.061
1 Use of Composite pipe requires a PHMSA Special Permit or waiver from a State
PART E—RESERVED
Form PHMSA F 7100.2-1 (rev 3-2022) Pg.3 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
For the designated Commodity Group, complete PARTS F and G one time for all INTERstate gas
transmission pipeline facilities included within this OPID and multiple times as needed for the designated
Commodity Group for each State in which INTRAstate gas transmission pipeline facilities included within
this OPID exist. Part F"WITHIN AN HCA SEGMENT"data and Part G may be completed only if HCA Miles
in Part L is greater than zero.
Use this form for Type A, B, and C gas gathering. Type R gas gathering is reported on Form PHMSA F
7100.2-3.
PARTS F and G
The data reported in these PARTS applies to: (select only one)
0 Interstate pipelines/pipeline facilities
® Intrastate pipelines/pipeline facilities in the State of IDAHO (complete for each State)
PART F-INTEGRITY INSPECTIONS CONDUCTED AND ACTIONS TAKEN BASED ON INSPECTION
INTRASTATEIDAHO
1. MILEAGE INSPECTED IN CALENDAR YEAR USING THE FOLLOWING IN-LINE INSPECTION(ILI)TOOLS
a.Corrosion or metal loss tools
b.Dent or deformation tools
c.Crack or long seam defect detection tools
d.Any other internal inspection tools,specify other tools:
e.Total tool mileage inspected in calendar year using in-line inspection tools. (Lines a+b+c+d)
2. ACTIONS TAKEN IN CALENDAR YEAR BASED ON IN-LINE INSPECTIONS
a. Based on ILI data,total number of anomalies excavated in calendar year because they met the operator's
criteria for excavation.
b. Total number of anomalies repaired in calendar year that were identified by ILI based on the operator's criteria, 0
both within an HCA Segment and outside of an HCA Segment.
c. Total number of conditions repaired WITHIN AN HCA SEGMENT meeting the definition of:
1."Immediate repair conditions"[192.933(d)(1)]
2."One-year conditions"[192.933(d)(2)]
3."Monitored conditions"[192.933(d)(3)]
4.Other"Scheduled conditions"[192.933(c)]
d.Total number of conditions repaired WITHIN A§192.710 SEGMENT:
e.Total number of conditions repaired WITHIN A CLASS LOCATION 3 OR 4 AND neither HCA nor§192.710
SEGMENT:
f.Total number of conditions repaired WITHIN A CLASS LOCATION 1 OR 2 AND neither HCA nor§192.710
SEGMENT:
3. MILEAGE INSPECTED AND ACTIONS TAKEN IN CALENDAR YEAR BASED ON PRESSURE TESTING
a.Total mileage inspected by pressure testing in calendar year.
b.Total number of pressure test failures(ruptures and leaks)repaired in calendar year,both within an HCA
Segment and outside of an HCA Segment.
c.Total number of pressure test ruptures(complete failure of pipe wall)repaired in calendar year WITHIN AN
HCA SEGMENT.
Form PHMSA F 7100.2-1 (rev 3-2022) Pg.4 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
d.Not used
e.Total number of pressure test leaks(less than complete wall failure but including escape of test medium)
repaired in calendar year WITHIN AN HCA SEGMENT.
f.Total number of pressure test failures(ruptures and leaks)repaired in calendar year WITHIN A CLASS
LOCATION 3 OR 4 AND neither HCA nor§192.710 SEGMENT.
g.Total number of pressure test failures(ruptures and leaks)repaired in calendar year WITHIN A CLASS
LOCATION 1 OR 2 AND neither HCA nor§192.710 SEGMENT.
4. MILEAGE INSPECTED AND ACTIONS TAKEN IN CALENDAR YEAR BASED ON DA(Direct Assessment methods)
a.Total mileage inspected by each DA method in calendar year. 5.32
1. ECDA 5.32
2. ICDA
3.SCCDA
b.Total number of anomalies identified by each DA method and repaired in calendar year based on the
operator's criteria, both within an HCA Segment and outside of an HCA Segment.
1. ECDA
2. ICDA
3.SCCDA
c.Total number of conditions repaired in calendar year WITHIN AN HCA SEGMENT meeting the definition of:
1."Immediate repair conditions"[192.933(d)(1)]
2."One-year conditions"[192.933(d)(2)]
3."Monitored conditions"[192.933(d)(3)]
4.Other"Scheduled conditions"[192.933(c)]
d.Total number of conditions repaired WITHIN A§192.710 SEGMENT:
e.Total number of conditions repaired WITHIN A CLASS LOCATION 3 OR 4 AND neither HCA nor§192.710
SEGMENT:
f.Total number of conditions repaired WITHIN A CLASS LOCATION 1 OR 2 AND neither HCA nor§192.710
SEGMENT:
4.1 MILEAGE INSPECTED AND ACTIONS TAKEN IN CALENDAR YEAR BASED ON GUIDED WAVE ULTRASONIC TESTING(GWUT)
a.Total mileage inspected by GWUT method in calendar year.
b.Total number of anomalies identified by GWUT method and repaired in calendar year based on the operator's
criteria,within an HCA Segment,within a§192.710 Segment,and outside of an HCA or§192.710 Segment.
c.Total number of conditions repaired in calendar year WITHIN AN HCA SEGMENT meeting the definition of:
1."Immediate repair conditions"[192 Appendix F,Section XIX]
2."6-Month conditions"(192 Appendix F,Section XIX]
3.12-Month conditions"[192 Appendix F,Section XIX]
4."Monitored conditions"[192 Appendix F,Section XIX]
d.Total number of conditions repaired WITHIN A§192.710 SEGMENT:
e.Total number of conditions repaired WITHIN A CLASS LOCATION 3 OR 4 AND neither HCA nor§192.710
SEGMENT:
f.Total number of conditions repaired WITHIN A CLASS LOCATION 1 OR 2 AND neither HCA nor§192.710
SEGMENT:
4.2 MILEAGE INSPECTED AND ACTIONS TAKEN IN CALENDAR YEAR BASED ON DIRECT EXAMINATION
a.Total mileage inspected by DIRECT EXAMINATION method in calendar year. 0.01
b.Total number of anomalies identified by DIRECT EXAMINATION method and repaired in calendar year
based on the operator's criteria,within an HCA Segment,within a§192.710 Segment,and outside of an HCA or
§192.710 Segment.
c.Total number of conditions repaired in calendar year WITHIN AN HCA SEGMENT meeting the definition of:
1."Immediate repair conditions"[192.933(d)(1)]
2."One-year conditions"[192.933(d)(2)]
3."Monitored conditions"[192.933(d)(3)]
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 5 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
4.Other"Scheduled conditions"[192.933(c)]
d.Total number of conditions repaired WITHIN A§192.710 SEGMENT:
e.Total number of conditions repaired WITHIN A CLASS LOCATION 3 OR 4 AND neither HCA nor§192.710
SEGMENT:
f.Total number of conditions repaired WITHIN A CLASS LOCATION 1 OR 2 AND neither HCA nor§192.710
SEGMENT:
5. MILEAGE INSPECTED AND ACTIONS TAKEN IN CALENDAR YEAR BASED ON OTHER INSPECTION TECHNIQUES
a.Total mileage inspected by inspection techniques other than those listed above in calendar year.
1.0ther Inspection Techniques
b.Total number of anomalies identified by other inspection techniques and repaired in calendar year based on 0
the operator's criteria,both within an HCA Segment and outside of an HCA Segment.
c.Total number of conditions repaired in calendar year WITHIN AN HCA SEGMENT meeting the definition of:
1."Immediate repair conditions"[192.933(d)(1)]
2."One-year conditions"[192.933(d)(2)]
3."Monitored conditions"[192.933(d)(3)]
4.Other"Scheduled conditions"[192.933©]
d.Total number of conditions repaired WITHIN A§192.710 SEGMENT:
e.Total number of conditions repaired WITHIN A CLASS LOCATION 3 OR 4 AND neither HCA nor
§192.710 SEGMENT:
f.Total number of conditions repaired WITHIN A CLASS LOCATION 1 OR 2 AND neither HCA nor
§192.710 SEGMENT:
6.TOTAL MILEAGE INSPECTED(ALL METHODS)AND ACTIONS TAKEN IN CALENDAR YEAR
a.Total mileage inspected in calendar year. (Lines 1.e +3.a + 4.a.1 +4.a.2+4.a.3 +5.a) 5.33
b.Total number of anomalies repaired in calendar year both within an HCA Segment and outside of an HCA
Segment. (Lines 2.b+3.b+4.b.1 +4.b.2+4.b.3 +5.b)
c.Total number of conditions repaired in calendar year WITHIN AN HCA SEGMENT. (Lines 2.0 +2.c.2+2.c.3
+2.c.4+3.c+3.d+4.c.1 +4.c.2+4.c.3+4.c.4+5.c.1 +5.c.2+5.c.3+5.c.4)
d.Total number of actionable anomalies eliminated by pipe replacement in calendar year WITHIN AN HCA
SEGMENT:
e.Total number of actionable anomalies eliminated by pipe abandonment in calendar year WITHIN AN HCA
SEGMENT:
f.Total number of conditions repaired in calendar year WITHIN A§192.710 SEGMENT.(Lines 2.d+3.e+4.d 0
+4.1.d+4.2.d+5.d)
g.Total number of actionable anomalies eliminated by pipe replacement in calendar year WITHIN A§192.710
SEGMENT:
h.Total number of actionable anomalies eliminated by pipe abandonment in calendar year WITHIN A§192.710
SEGMENT:
i.Total number of conditions repaired in calendar year WITHIN A CLASS LOCATION 3 OR 4 AND neither HCA 0
nor§192.710 SEGMENT.(Lines 2.e+3.f+4.e+4.1.e+4.2.e+5.e)
j.Total number of actionable anomalies eliminated by pipe replacement in calendar year WITHIN A CLASS
LOCATION 3 OR 4 AND neither HCA nor§192.710 SEGMENT:
k.Total number of actionable anomalies eliminated by pipe abandonment in calendar year WITHIN A CLASS
LOCATION 3 OR 4 AND neither HCA nor§192.710 SEGMENT:
I.Total number of conditions repaired in calendar year WITHIN A CLASS LOCATION 1 OR 2 AND neither HCA 0
nor§192.710 SEGMENT.(Lines 2.f+3.g+4.f+4.1.f+4.2.f+5.f)
m.Total number of actionable anomalies eliminated by pipe replacement in calendar year WITHIN A CLASS
LOCATION 1 OR 2 AND neither HCA nor§192.710 SEGMENT:
n.Total number of actionable anomalies eliminated by pipe abandonment in calendar year WITHIN A CLASS
LOCATION 1 OR 2 AND neither HCA nor§192.710 SEGMENT:
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 6 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
PART G—MILES OF BASELINE ASSESSMENTS AND REASSESSMENTS COMPLETED IN CALENDAR YEAR (HCA Segment miles
ONLY)
INTRASTATEIDAHO
a. Baseline assessment miles completed during the calendar year.
b. Reassessment miles completed during the calendar year.
c. Total assessment and reassessment miles completed during the calendar year.
d.§192.710 Segments Baseline assessment miles completed during the calendar year.
e.§192.710 Segments Reassessment miles completed during the calendar year.
f.§192.710 Segments Total assessment and reassessment miles completed during the calendar year.
g.CLASS LOCATION 3 OR 4 AND neither HCA nor§192.710 Segments assessment miles completed during the
calendar year.
h.CLASS LOCATION 1 OR 2 AND neither HCA nor§192.710 Segments assessment miles completed during the
calendar year.
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 7 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
Use this form for Type A, B, and C gas gathering. Type R gas gathering is reported on Form PHMSA F
7100.2-3.
For the designated Commodity Group, complete PARTS H, 1, J, K, L, M, P, Q, R, S, and T covering
INTERstate pipeline facilities for each State in which INTERstate systems exist within this OPID and again
covering INTRAstate pipeline facilities for each State in which 1NTRAstate systems exist within this OP1D.
PARTS H, I, J, K, L, M, P, Q, R, S, and T
The data reported in these PARTS applies to: (select only one)
13 Interstate pipelines/pipeline facilities in the State of
® Intrastate pipelines/pipeline facilities in the State of IDAHO
PART H-MILES OF TRANSMISSION PIPE BY NOMINAL PIPE SIZE(NPS)
INTRASTATEIDAHO
NPS 4 6 8 10 12 14 16 18 20
or less
0.141 11.752 122.041 57.674 60.067 0 34.386 0 0
22 24 26 28 30 32 34 36 38
0 0 0 0 0 0 0 0 0
Onshore 58 and
40 42 44 46 48 52 56 over
0 0 0 0 0 0 0 0
Additional Sizes and Miles(Size—Miles;):
0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;
286.061 Total Miles of Onshore Pipe—Transmission
NPS 4 6 8 10 12 14 16 18 20
or less
0 0 0 0 0 0 0 0 0
22 24 26 28 30 32 34 36 38
0 0 0 0 0 0 0 0 0
Offshore 58 and
40 42 44 46 48 52 56
over
0 0 0 0 0 0 0 0
Additional Sizes and Miles(Size—Miles;):
0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;
0 Total Miles of Offshore Pipe—Transmission
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 8 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
PART I - MILES OF GATHERING PIPE BY NOMINAL PIPE SIZE (NPS)
INTRASTATEIDAHO
NPS 4 6 8 10 12 14 16 18 20
or less
0 0 0 0 0 0 0 0 0
22 24 26 28 30 32 34 36 38
Onshore
Type A 0 0 0 0 0 0 0 0 0
40 42 44 46 48 52 56 58 and over
0 0 0 0 0 0 0 0
Additional Sizes and Miles(Size—Miles;):0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;
0 Total Miles of Onshore Type A Pipe—Gathering
NPS 4 6 8 10 12 14 16 18 20
or less
0 0 0 0 0 0 0 0 0
22 24 26 28 30 32 34 36 38
Onshore 0 0 0 0 0 0 0 0 0
Type B
40 42 44 46 48 52 56 58 and
over
0 0 0 0 0 0 0 0
Additional Sizes and Miles(Size—Miles;):0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;
0 Total Miles of Onshore Type B Pipe—Gathering
NPS 4 6 8 10 12 14 16 18 20
or less
0 0 0 0 0 0 0
22 24 26 28 30 32 34 36 38
Onshore 0 0 0 0 0 0 0 0 0
Type C
40 42 44 46 48 52 56 58 and
over
0 0 0 0 0 0 0 0
Other Pipe Sizes Not Listed:0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;0-0;
0 Total Miles of Onshore Type C Pipe—Gathering
NPS 4 6 8 10 12 14 16 18 20
or less
0 0 0 0 0 0 0 0 0
Offshore
22 24 26 28 30 32 34 36 38
0 0 0 0 0 0 0 0 0
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 9 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
40 42 44F46 48 52 56 58 and
over
0 0 0 0 0 0 0 0
Additional Sizes and Miles(Size—Miles;):0-0;0-0;0-0; 0-0; 0-0; 0-0; 0-0; 0-0;0-0;
0 Total Miles of Offshore Pipe—Gathering
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 10 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
PART J — MILES OF PIPE BY DECADE INSTALLED
INTRASTATEIDAHO
Decade Pipe Unknown Pre-40 1940-1949 1950-1959 1960-1969 1970-1979 1980-1989
Installed
Transmission
Onshore 0 0 0 30.841 87.694 44.377 7.624
Offshore 0 0 0 0 0 0 0
Subtotal Transmission 0 0 0 30.841 87.694 44.377 7.624
Gathering
Onshore Type A 0 0 0 0 0 0 0
Onshore Type B 0 0 0 0 0 0 0
Onshore Type C 0 0 0 0 0 0 0
Offshore 0 0 0 0 0 0 0
Subtotal Gathering 0 0 0 0 0 0 0
Total Miles 0 0 0 30.841 87.694 44.377 7.624
Decade Pipe 1990-1999 2000-2009 2010-2019 2020-2029 Total Miles
Installed
Transmission
Onshore 55.144 37.296 17.31 5.775 286.061
Offshore 0 0 0 0 0
Subtotal Transmission 55.144 37.296 17.31 5.775 286.061
Gathering
Onshore Type A 0 0 0 0 0
Onshore Type B 0 0 0 0 0
Onshore Type c 0 0 0 0 0
Offshore 0 0 0 0 0
Subtotal Gathering 1 0 10 10 0 10
Total Miles 1 55.144 37.296 17.31 5.775 286.061
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 11 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
PART K-MILES OF TRANSMISSION PIPE BY SPECIFIED MINIMUM YIELD STRENGTH
INTRASTATEIDAHO
CLASS LOCATION Total Miles
ONSHORE
Class I Class 2 Class 3 Class 4
Steel pipe Less than 20%SMYS 0.144 0.047 0.006 0 0.197
Steel pipe Greater than or equal to 16.485 54.927 69.784 0 141.196
20%SMYS but less than 30%SMYS
Steel pipe Greater than or equal to
30%SMYS but less than or equal to 106.956 18.117 6.474 0 131.547
0
SMYS
Steel pipe Greater than 40%SMYS 7.748 0.673 0.049 0 8.47
but less than or equal to 50%SMYS
Steel pipe Greater than 50%SMYS 0 0 0 0 0
but less than or equal to 60%SMYS
Steel pipe Greater than 60%SMYS 0 0 0 0 0
but less than or equal to 72%SMYS
Steel pipe Greater than 72%SMYS 0 0 0 0 0
but less than or equal to 80%SMYS
Steel pipe Greater than 80%SMYS 0 0 0 0 0
Steel pipe Unknown percent of SMYS 0 0 0 0 0
All Non-Steel pipe 4.651 0 0 0 4.651
Onshore Totals 135.984 73.764 76.313 0 286.061
OFFSHORE Class I
Steel pipe Less than or equal to 50% 0
SMYS
Steel pipe Greater than 50%SMYS 0
but less than or egual to 0
SMYS
Steel pipe Greater than 72%SMYS 0
Steel Pipe Unknown percent of SMYS 0
All non-steel pipe 0
Offshore Total 0
Total Miles 135.984 286.061
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 12 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
PART L-MILES OF PIPE BY CLASS LOCATION
INTRASTATEIDAHO
Class Location
Class Class
Total Location 3 Location 1
Class HCA §192 or 4 Miles or 2 Miles
Class I Class 2 Class 3 Class 4 Location Miles .710 that are that are
Miles Miles neither in neither in
HCA nor in HCA nor in
§192.710 §192.710
Transmission
Onshore 135.984 73.764 76.313 0 286.061 12.79 4.77 58.754 209.747
Offshore 0 0
Subtotal 135.984 73.764 76.313 0 286.061 12.79 4.77 58.754 209.747
Transmission
Gathering
Onshore Type 0 0 0 0
A
Onshore Type 0 0 0 0
B
Onshore Type 0 0
C
Offshore 0 0
Subtotal 0 0 0 0 0
Gathering
Total Miles 135.984 73.764 76.313 0 286.061 12.79 4.77 58.754 209.747
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 13 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
PART M—FAILURES, LEAKS,AND REPAIRS
INTRASTATEIDAHO
PART M1 —ALL LEAKS ELIMINATED/REPAIRED IN CALENDAR YEAR; INCIDENTS&FAILURES IN HCA SEGMENTS IN CALENDAR
YEAR
Transmission Leaks,and Failures Gathering Leaks
Leaks
Failures Offsh
Onshore Leaks Offshore Leaks in HCA Onshore Leaks ore
Cause Segment Leaks
s
class Class 1
3&4
non- & Non- Type Type
HCA MCA HCA non- HCA HCA Type A B C
&non- HCA
MCA &non-MCA
External Corrosion 0 0 0 0 0 0 0
Internal Corrosion 0 0 0 0 0 0 0
Stress Corrosion 0 0 0 0 0 0 0
Cracking
Manufacturing 0 0 0 0 0 0 0
Construction 0 0 0 0 0 0 0
Equipment 0 0 0 0 0 0 0
Incorrect Operations o 0 0 0 0 0 0
Third Party Damage/Mechanical Damage
Excavation 0 0 0 0 0 0 0
Damage
Previous
Damage(due to 0 0 0 0 0 0 0
Excavation
Activity)
Vandalism
(includes all 0 0 0 0 0 0 0
Intentional
Damage)
Weather Related/Other Outside Force
Natural Force 0 0 0 0 0 0 0
Damage(all)
Other Outside
Force Damage
(excluding 0 0 0 0 0 0 0
Vandalism and
all Intentional
Damage)
Other 0 1 0 1 0 0 0 0 0
Total 0 1 0 0 0 0 0 0
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 14 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Fxoires::3/31/2025
PART M2—KNOWN SYSTEM LEAKS AT END OF YEAR SCHEDULED FOR REPAIR
Transmission 1 0 Gathering
PART M3—LEAKS ON FEDERAL LAND OR OCS REPAIRED OR SCHEDULED FOR REPAIR
Transmission Gatherin
Onshore Type A
Onshore 0 Onshore Type B
Onshore Type C
OCS 0 OCS 0
Subtotal Transmission 0 Subtotal Gathering 0
Total 0
PART P-MILES OF PIPE BY MATERIAL AND CORROSION PREVENTION STATUS
INTRASTATEIDAHO
Steel Steel
Cathodically Cathodically
protected unprotected
Coate Bare Coate Cast Wrought Plastic Other CoCornosite 2 Total
Bare d d Iron Iron Miles
Transmission
Onshore 0 2802.9 0 0 0 0 3.159 0 0 286.06
Offshore 0 0 0 0 0 0 0 0 0 0
Subtotal 282.9 286.06
Transmission 0 02 0 0 0 0 3.159 0 0 1
Gathering
Onshore Type A 0 0 0 0 0 0 0 0 0 0
Onshore Type B 0 0 0 0 0 0 0 0 0 0
Onshore Type C 0 0 0 0 0 0 0 0 0 0
Offshore 0 0 0 0 0 0 0 0 0 0
Subtotal 0 0 0 0 0 0 0 0 0 0
Gathering
Total Miles 0 2029 0 0 0 0 3.159 0 0 286.06
1 Use of Composite pipe requires PHMSA Special Permit or waiver from a State
2Specify Other materials : ;
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 15 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
Part Q- Gas Transmission Miles by MAOP Determination Method
INTRASTATE IDAHO
by§192.619 and Other Methods
(a)(1) (a)(2) (a)(3) (c) (d) OtherIncomp (a)(4 Incomp Incom Other(a)(1) ete (a)(2) Incom le (a)(3) Incom le (a)(4)
Incomplet (c) lete (d) lete 1 Incompl
Total Record Total to Total to Total a Records Total Total p ete
s Records Records Record Record Total
s s Records
Class 1
(in 0 0 0 0 0 0 0 0 0 0 0 0 0 0
HCA
Class 1
(in 0 0 0 0 0 0 0 0 0 0 0 0 0 0
MCA
Class 1
(not in 0 132.2 3.699 0 0 0 0
HCA or 84
MCA
Class 2
(in 0 0 0 0 0 0 0 0 0 0 0 0 0 0
HCA
Class 2
(in 0 0 2.897 0 0.288 0 0 0 0 0 0 0 0 0
MCA
Class 2
(not in 0 57.64 12.93 0 0 0 0
HCA or 9
MCA) 0
Class 3 11.52
(in 0 0 8 0 1.261 0 0 0 0 0 0 0 0 0
HCA
Class 3 0 14.95 0 0
(in 0 1 1.453 0 0 0 0 0 0 0 0
MCA
Class 3
(not in 0 0 35.67 0 11.444 0 0 0 0 0 0 0 0 0
HCA or 7
MCA
Class 4
(in 0 0 0 0 0 0 0 0 0 0 0 0 0 0
HCA
Class 4
(in 0 0 0 0 0 0 0 0 0 0 0 0 0 0
MCA
Class 4
(not in 0 0 0 0 0 0 0 0 0 0 0 0 0 0
HCA or
MCA
Total 0 0 854'9 0 31.075 0 0 0 0 0 0 0 0 0
by§192.624 Methods
(c)(1)Total (c)(2)Total (c)(3)Total (c)(4)Total (c)(5)Total (c)(6)Total
Class 1 in HCA 0 0 0 0 0 0
Class 1 (in
MCA) 0 0 0 0 0 0
Class 1 (not in
HCA or MCA) 0 0 0 0 0 0
Class 2 in HCA 0 0 0 1 0 1 0 1 0
Class 2(in
MCA) 0 0 0 0 0 0
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 16 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Ex ire 3/31/20
Class 2(not in
HCA or MCA) 0 0 0 0 0 0
Class 3 in HCA 0 0 0 0 0 0
Class 3(in
MCA) 0 0 0 0 0 0
Class 3(not in
HCA or MCA) 0 0 0 0 0 0
Class 4 in HCA 0 0 0 0 0 0
Class 4(in
MCA) 0 0 0 0 0 0
Class 4(not in
HCA or MCA) 1 0 1 0 1 0 1 0 1 0 1 0
Total 1 0 1 0 0 1 0 0 0
Total under 192.619(a), 192.619(c), 192.619(d) and 286.061
Other
Total under 192.624 as allowed by 192.619 e 0
Grand Total 286.061
Sum of Total row for all "Incomplete Records" 0
columns
Specify Other method(s):
Class 1(in Class 1(in Class 1(not in MCA
HCA) MCA) or HCA)
Class 2(in Class 2(in Class 2(notin MCA
HCA) MCA) or HCA)
Class 3(in Class 3(in Class 3(not in MCA
HCA) MCA) or HCA)
Class 4(in Class 4(in Class 4(not in MCA
HCA) MCA) or HCA)
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 17 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
Part R—Gas Transmission Miles by Pressure Test(PT)Range and Internal Inspection
INTRASTATEIDAHO
PT>_ 1.50 MAOP 1.5 MAOP> PT>- 1.39 MAOP
Miles Internal Miles Internal Miles Internal Miles Internal
Location Inspection ABLE Inspection NOT Inspection ABLE Inspection NOTABLE
ABLE
Class 1 in HCA 0 0 0 0
Class 2 in HCA 0 0 0 0
Class 3 in HCA 0 11.528 0 0
Class 4 in HCA 0 0 0 0
in HCA subTotal 0 11.528 0 0
Class 1 in MCA 0 0 0 0
Class 2 in MCA 0 2.897 0 0
Class 3 in MCA 0 14.95 0 0
Class 4 in MCA 0 0 0 0
in MCA subTotal 0 17.847 0 0
Class 1 not in HCA or MCA 0 124.888 0 7.397
Class 2 not in HCA or MCA 0 57.649 0 0
Class 3 not in HCA or MCA 0 35.677 0 0
Class 4 not in HCA or MCA 0 0 0 0
not in HCA or MCA subTotal 0 218.214 0 7.397
Total 0 247.589 0 7.397
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 18 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
1.39 MAOP > PT>_ 1.25 1.25 MAOP > PT >_ 1.1 1.1 MAOP > PT or No
MAOP MAOP PT
Miles Internal Miles Internal Miles Internal Miles Internal Miles Internal Miles
Location Inspection Inspection NOT Inspection Inspection NOT Inspection Internal
ABLE ABLE ABLE ABLE ABLE Inspection
NOT ABLE
Class 1 in HCA 0 0 0 0 0 0
Class 2 in HCA 0 0 0 0 0 0
Class 3 in HCA 0 0 0 0 0 1.261
Class 4 in HCA 0 0 0 0 0 0
in HCA subTotal 0 0 0 0 0 1.261
Class 1 in MCA 0 0 0 0 0 0
Class 2 in MCA 0 0 0 0 0 0.288
Class 3 in MCA 0 0 0 0 0 1.453
Class 4 in MCA 0 0 0 0 0 0
in MCA subTotal 0 0 0 0 0 1.741
Class 1 not in HCA or 0 0 0 0 3.699
MCA 0
Class 2 not in HCA or 0 0 0 0 12.93
MCA 0
Class 3 not in HCA or 0 0 0 0 11.444
MCA 0
Class 4 not in HCA or 0 0 0 0 0
MCA 0
not in HCA or MCA 0 0 0 0 28.073
subTotal 0
Total 0 0 0 0 0 31.075
PT>_ 1.5 MAOP Total 247.589 Total Miles Internal 0
Ins ection ABLE
1.5 MAOP > PT>_ 1.39 7.397 Total Miles Internal 286.061
MAOP Total Inspection NOT ABLE
1.39 > PT>_ 1.25 MAOP 0 Grand Total 286.061
Total
1.25 MAOP > PT>_ 1.1 0
1.1 MAOP > PT or No PT 31.075
Total
Grand Total
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 19 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Expires::3/31/2025
Part S—Gas Transmission Verification of Materials (192.607)
INTRASTATE IDAHO
Location Miles 192.607 this Year 192.607 Number Test
Locations this Year
Class 1 in HCA 0 0
Class 2 in HCA 0 0
Class 3 in HCA 0 4
Class 4 in HCA 0 0
Class 1 in MCA 0 0
Class 2 in MCA 0 0
Class 3 in MCA 0 2
Class 4 in MCA 0 0
Class 1 not in HCA or MCA 0 6
Class 2 not in HCA or MCA 0 0
Class 3 not in HCA or MCA 0 2
Class 4 not in HCA or MCA 0 0
Part T— HCA Miles by Determination Method and Risk Model Type
INTRASTATE IDAHO
Risk Model Type Miles HCA Miles HCA Total
Method 1 Method 2
Subject Matter Expert (SME) 0 0 0
Relative Risk 0 12.79 12.79
Quantitative 0 0 0
Probabilistic 0 0 0
Scenario-Based 0 0 0
Other describe: 0 0 0
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 20 of 21
Reproduction of this form is permitted.

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty Form Approved 3/1/2022
as provided in 49 USC 60122. OMB No.2137-0522
Total 0 12.79 12.79
For the designated Commodity Group, complete PART N one time for all of the pipelines and/or pipeline
facilities included within this OPID, and then also PART O if any gas transmission pipeline facilities
included within this OPID have Part L HCA mile value greater than zero.
PART N-PREPARER SIGNATURE
Colby Lundstrom [phone]
Telephone Number
Preparer's Name(type or print)
Manager of Compliance and Operations Programs
Preparer's Title
[e-mail]
Preparer's E-mail Address
PART O-CERTIFYING SIGNATURE (applicable only to PARTS B,F,G,and M1)
[phone]
Telephone Number
Patrick Darras
Senior Executive Officer's name certifying the information in PARTs B,F,G,and M as required by
49 U.S.C.60109(f)
Vice President of Engineering and Operations Services
Senior Executive Officer's title certifying the information in PARTs B,F,G,and M as required by
49 U.S.C.60109(f)
[e-mail]
Senior Executive Officer's E-mail Address
Form PHMSA F 7100.2-1 (rev 3-2022) Pg. 21 of 21
Reproduction of this form is permitted.