Downstream Facility

Major Permit Amendment

MSW Registration No. 2298A

Owner: Downstream Environmental LLC.

Engineer: Parkhill, Smith & Cooper Inc. – Contact: Todd Stiggins, PE – (806) 473-2200

May 1, 2019 -

Initial Submittal

July 19, 2019 -

Technical NOD1 Response

Sept. 23, 2019 -

Technical NOD2 Response

Dec. 30, 2019 -

Supplemental I Response

March 5, 2020 -

Supplemental II Response

Diamondback Solid Waste Facility & Recycling Center

Permit Application

MSW Permit No. 2404

Engineer: Parkhill, Smith & Cooper Inc. – Contact: Todd Stiggins, PE – (806) 473-2200

May 31, 2019 – Initial Submittal

Nov. 11, 2019 -

Technical NOD 1 Response

Jan. 20, 2020 -

Technical NOD 2 Response

March 25, 2020 -

Technical NOD 3 Response

June 19, 2020 -

Technical NOD 5 Response

June 24, 2020 -

Supplemental Response

July 16, 2020 -

Technical NOD 6 Response

City of Dumas MSW Management Facility

Type I Landfill Limited Scope Major Permit Amendment Application

MSW Permit No. 211B

Owner: City of Dumas

Engineer: Parkhill, Smith & Cooper Inc. – Contact: Tyler Krueger, PE – (806) 473-2200

Nov. 18, 2019 -

Initial Submittal

April 20, 2020 -

Technical NOD#1 Response

June 12, 2020 -

Technical NOD#2 Response