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Clean Air Act stationary source · ICIS-AIR ID0000001677700712

KNIFE RIVER CORPORATION - MOUNTAIN WEST - PORTABLE HIGH DESERT PLANT 00712, Boise, ID: Clean Air Act compliance record, inspections, violations, penalties

KNIFE RIVER CORPORATION - MOUNTAIN WEST - PORTABLE HIGH DESERT PLANT 00712, at 5450 W GOWEN RD, Boise in Ada County, Idaho, is an operating synthetic minor source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Ada County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

What the register holds for KNIFE RIVER CORPORATION - MOUNTAIN WEST - PORTABLE HIGH DESERT PLANT 00712: its ICIS-AIR ID, its operating status, its emissions classification, its current violation status, its industry code and its address in Boise, Ada County, Idaho. EPA’s compliance evaluation, violation, stack test and enforcement files, as loaded, hold no record for ICIS-AIR ID0000001677700712 since January 1, 2017.

Identity

Facility as filedKNIFE RIVER CORPORATION - MOUNTAIN WEST - PORTABLE HIGH DESERT PLANT 00712
ICIS-AIR IDID0000001677700712
EPA facility registry ID110064845477
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address5450 W GOWEN RD, Boise, ID 83709
CountyAda County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Petroleum and coal products manufacturing (NAICS 3241)
EPA region10

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs KNIFE RIVER CORPORATION - MOUNTAIN WEST - PORTABLE HIGH DESERT PLANT 00712 is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

EPA’s compliance evaluation file holds no evaluation of ICIS-AIR ID0000001677700712 since January 1, 2017.

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

EPA’s violation history file holds no violation for ICIS-AIR ID0000001677700712 since January 1, 2017.

Enforcement and penalties

0 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Informal enforcement

EPA’s informal action file holds no notice or warning for ICIS-AIR ID0000001677700712 since January 1, 2017.

Stack tests

EPA’s stack test file holds no test at ICIS-AIR ID0000001677700712 since January 1, 2017.

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110064845477 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

What this page shows

Knife River Corporation - Mountain West - Portable High Desert Plant 00712, a synthetic minor source in Ada County, is one of 39 such sources in that county on the register, and 97.4% of those sources have at least one compliance evaluation on file since 2017. Among the 187 synthetic minor sources in Idaho, 7.5% have at least one violation on file since 2017, while this facility has none, with zero compliance evaluations, enforcement actions, and violations recorded since 2017.