Recently Issued Air Discharge Permits

Facilities are listed in alphabetical order by final permit date.

These permits have been recently issued final by the Southwest Clean Air Agency. These permits are open for appeal to the Pollution Control Hearing Board until 30 days after the date the permit was issued as shown below. For information on the appeals process, click here.

Clark County - Public Works - Salmon Creek Treatment Plant - Vancouver  

PERMIT NO: 20-3379

Application Notice: VIEW
Air Discharge Permit: VIEW
Tech Support Document: VIEW
Posted to Web: Thursday, January 16, 2020 
Notice in Newspaper: None 
Final Date: Tuesday, January 14, 2020
PCHB Appeal Period Ends: 2/13/2020
Public Comments:  None
Public Comment Responses:  None
Agency Contact: Clint Lamoreaux
 

SEPA DETERMINATION NO: Alliance SEPA DNS 001-2018 Addendum

Lead Agency: Clark County - Alliance
Checklist Date: Thursday, September 06, 2018
Checklist: VIEW
Action: SEPA-DNS
Register/Newspaper Notice: None 
Final Date: Monday, July 08, 2019
Determination: VIEW

NOTES:

Two phase project with Phase 5B-1 adding collection of vapors from the preliminary and primary treatment liquids and solids process with the addition of two biotrickling filters and two new carbon adsorbers with 16,000 acfm combined capacity. Phase 5B-2 is a capacity expansion with one new secondary clarifier No 5 - demo of No 2, new aeration basin No 7, increase in wastewater processing capacity from 14.95 to 17.5 million gallons per day.

Kelso School District No 458 - Kelso  

PERMIT NO: 20-3381

Application Notice: VIEW
Air Discharge Permit: VIEW
Tech Support Document: VIEW
Posted to Web: Tuesday, January 28, 2020 
Notice in Newspaper: None 
Final Date: Monday, January 27, 2020
PCHB Appeal Period Ends: 2/26/2020
Public Comments:  None
Public Comment Responses:  None
Agency Contact: Vannessa McClelland
 

SEPA DETERMINATION NO: SWCAA 20-002

Lead Agency: SWCAA
Comments Due By: Monday, January 27, 2020
Checklist: None
Action: SEPA-EXEMPT
Register/Newspaper Notice: None 
Final Date: Monday, January 27, 2020
Determination: VIEW

NOTES:

Replacement of numerous combustion devices at the Kelso HS including 9 boilers, 1 hot water tank, 1 dust collector and one steamer oven in addition to adding 6 nat gas fired oven units in the Culinary Arts kitchen, and replacing a cyclone dust collector, arc welding stations and oxy acetylene welding stations.

Tacoma Power - Cowlitz River Project - Salkum  

PERMIT NO: 20-3382

Application Notice: VIEW
Air Discharge Permit: VIEW
Tech Support Document: VIEW
Posted to Web: Tuesday, January 28, 2020 
Notice in Newspaper: None 
Final Date: Monday, January 27, 2020
PCHB Appeal Period Ends: 2/26/2020
Public Comments:  None
Public Comment Responses:  None
Agency Contact: Clint Lamoreaux
 

SEPA DETERMINATION NO: Tacoma Power 2019-09-25

Lead Agency: Tacoma Power
Checklist Date: Wednesday, September 25, 2019
Checklist: None
Action: SEPA-EXEMPT
Register/Newspaper Notice: None 
Final Date: Wednesday, September 25, 2019
Determination: VIEW

NOTES:

Replacement of 2 existing ozone generators with 3 Primozone GM-48 ozone generators, 150 lb/day each, increase river water flowrate through basins - increase in direct ozone emissions.

TransAlta Centralia Mining, LLC - Centralia  

PERMIT NO: 20-3380

Application Notice: VIEW
Air Discharge Permit: VIEW
Tech Support Document: VIEW
Posted to Web: Thursday, January 16, 2020 
Notice in Newspaper: None 
Final Date: Tuesday, January 14, 2020
PCHB Appeal Period Ends: 2/13/2020
Public Comments:  None
Public Comment Responses:  None
Agency Contact: Clint Lamoreaux
 

SEPA DETERMINATION NO: SWCAA 20-001

Lead Agency: SWCAA
Comments Due By: Tuesday, January 14, 2020
Checklist Date: Tuesday, December 17, 2019
Checklist: VIEW
Action: SEPA-DNS
Register/Newspaper Notice: None 
Final Date: Tuesday, January 14, 2020
Determination: VIEW

NOTES:

Installation and operation of a non-road engine on a dredge to replace a unit at failed - NONROAD ENGINE PERMIT