Intermountain Gas 260622-260623 IPUC Form 1 - Twin Falls Field Audit

IPUC Pipeline Safety Inspection
Inspector(s): Galli,Brooks Date(s): 260622 & 260623
Company/Owner: Unit/OPID: 08160
Intermountain Gas Company (IGC)
Standard: ® Training: ❑ TIMP/DIMP: ❑ OQ: ❑
Incident: ❑ Damage Prevention: ❑ Drug & Alcohol: ❑ Inspection Days: 3.5
Inspection Summary
IGC Twin Falls Field Audit
June 22 & 23 2026: (1.5 Standard MG) (1.5 Standard JB)
IPUC inspectors traveled to and met with IGC company representatives at the Twin Falls District Office
for an in-brief, reviewed OQ records for all personnel and began the field audit.
Regulator Stations: 17 regulator stations were inspected for proper operation, regulator lock-up, relief
device operation, cathodic protection pipe-to-soil readings, pipe-to soil interface wrap protection, station
warning signs and right-of-way clearances.
7 casing-to-carrier isolation checks, no cathodic protection rectifiers, 2 pipeline patrol, 34
emergency/isolation valves and 22 HPSSs were inspected, observations listed below.
An exit interview was performed following the district inspection with field personnel of Intermountain
Gas Company and MDU Compliance Manager Colby Lundstrom.
June 24, 2026: (0.5 Standard MG)
Completed and attached audit forms: PHMSA IA question set with OQ protocol 9, IPUC Form 1, Post-
Inspection Preliminary Written Findings and attached inspection documents.
Corrective Action Required: ❑ Yes ® No Compliance Letter#: NA
Lead Inspector: Galli Date: Reviewer: Bro ks Date:
/� 260625
Signature: /'�/ ` Signature: �LVI7-�
IPUC Form 1 Rev. 12/08/2025