Maintenance of Waste Treatment and Storage Facilities Government Contracts

PSC Z1PD Service code

Code facts

Spend category
Facilities & Construction Facility Related Services
Contract obligations
$573,137,532 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
0 1 notice posted in the last 90 days
Contract awards
10 In the last 12 months
Obligated
$574,446,883 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of Energy $570,117,485
2 Department of the Interior $2,080,416
3 Department of the Navy Department of Defense $1,720,994
4 Defense Logistics Agency Department of Defense $299,325
5 Washington Headquarters Service Department of Defense $257,933
6 Department of Health and Human Services $243,860
7 Department of the Army Department of Defense $177,220
8 Air Force Department of Defense $96,364
9 Department of Agriculture $49,016
10 Department of Justice $3,960

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Central Plateau Cleanup Company, LLC $571,101,172
2 V. Lopez JR. & Sons General Engineering Contractors, Inc. $2,083,016
3 Perc Water Corporation $494,332
4 Okinawa Sobi Kogyo, K.K. $299,325
5 City Of Alexandria Virginia Sanitation Authority $257,933
6 Kgjj Engineering Solutions, LLC $208,827
7 Broadview Waste Solutions, Inc. $127,128
8 Fisher Bioservices Inc. $116,733
9 Lissi Gebhardt Spezialtransporte-Umweltschutz GMBH $90,298
10 Cscam Co., LTD $74,631

See the full FY2025 ranking of PSC Z1PD contractors, by parent company.

Contract opportunities

No notices under PSC Z1PD are open now. These are the newest.

Notice Posted Due
FY26 Preventive maintenance of Wastewater Collection and Treatment System Award Notice · US Embassy Libreville (DOS) · 19GB5026C0004 —
Sludge Removal Solicitation · Air Mobility Command (USAF)
Removal of Oil/Water Mixture and Contaminated Sand/Soil/Sludge from Oil Water Separators, Osan AB Solicitation · Army Contracting Command (AMC)
FY26 Preventive Maintenance of Wastewater Collection and Treatment System Solicitation · US Embassy Libreville (DOS) · 19GB5026Q0009
Pre-solicitation: Oil/water mixture and contaminated sand/soil from oil/water separators at Osan Air Base Pre-Solicitation · Army Contracting Command (AMC)
FCI Berlin FY26 Grease Pumping & Removal Services Limited / Sole Source Justification · Bureau of Prisons —
FY26 Preventive Maintenance of Wastewater Collection and Treatment System Pre-Solicitation · US Embassy Libreville (DOS) · 19GB5026Q0009
Fields point composting toilets replacement Award Notice · Region 6 - Pacific Northwest Region (USFS) · 1240BD25P0032 —
Fields point composting toilets replacement Solicitation · Region 6 - Pacific Northwest Region (USFS) · 1240BD25Q0076
Notice of Intent to Sole Source: NAC Philotechincs, Ltd to acquire health physics services to decommission the CDC Lawrenceville Radiological Waste Burial Site. Solicitation · CDC Office of Acquisition Services
ALF North Central Lagoon Wastewater Plant Operation Award Notice · Region 9 - Eastern Region (USFS) · 12444325P0025 —
FCI Berlin FY25 Grease Pumping and Removal Services Limited / Sole Source Justification · Bureau of Prisons —
ALF North Central Lagoon Wastewater Plant Operation Solicitation · Region 9 - Eastern Region (USFS) · 12444325Q0026
Vault toilet pumping Award Notice · Bureau of Reclamation · 140R1725Q0039 —
Me-craig brook NFH-rehab water treatment Award Notice · Fish and Wildlife Service · 140FC225Q0006 —
Vault toilet pumping Solicitation · Bureau of Reclamation · 140R1725Q0039
Vault toilet pumping Pre-Solicitation · Bureau of Reclamation · 140R1725Q0039
Septic tank pumping service Award Notice · Bureau of Reclamation —
Me-craig brook NFH-rehab water treatment Solicitation · Fish and Wildlife Service · 140FC225Q0006
Z1PD-- Waste Water Treatment Maintenance and Repair Hudson Valley Base+2 Pre-Solicitation · Veterans Integrated Service Network 2 (VHA)
Septic Services for Three Mobile Research Vehicles Solicitation · National Institute on Drug Abuse (NIH)
Rehabilitation Air Stripper Tower (AST) Pipes, Valves, and Brackets, Bldg 1580, Schofield Barracks, Oahu, Hawaii Pre-Solicitation · ENDIST Honolulu (USACE)
PR12390722 19PK4024Q5020 PMSC for Potable and HVAC Water Treatment System Solicitation · Department of State
Clean sewage system onboard the CGC Margaret Norvell and CGC Paul Clark Award Notice · Coast Guard · 70Z02824CMIAM0024 —
Clean sewage system onboard the CGC Margaret Norvell and CGC Paul Clark Solicitation · Coast Guard · 70Z028-24-Q-0000217
FG powerplant sewer pumping Award Notice · Bureau of Reclamation · 140R4024Q0012 —
FG powerplant sewer pumping Solicitation · Bureau of Reclamation · 140R4024Q0012
Apply Internal Lining to WWTP Sludge Tank 180, 000-gallon bolted steel tank repair Solicitation · Agricultural Research Service
Yakutat Wastewater Treatment System Annual Maintenance Award Notice · Forest Service · 1240BF23Q0013 —
Meve - replace water treatment components Special Notice · Intermountain Region (NPS)
Waste Water Treatment Plant Pumping/Disposal Services Solicitation · Air Education and Training Command (USAF)
Yakutat Wastewater Treatment System Annual Maintenance Solicitation · Forest Service · 1240BF23Q0013
URGENT - Pump Sludge from WWTP Tanks at Joint Base San Antonio Camp Bullis Award Notice · Air Education and Training Command (USAF) —
Catch Basins Clearing & Main line Blockage Repair Solicitation · Maritime Administration
Z1PD - Maintenance of Waste Treatment and Storage Facilities Special Notice · Naval Supply Systems Command (Navy)
USFWS Spring Creek NFH De-Watering Pump Service Award Notice · Fish and Wildlife Service —
USFWS Spring Creek NFH De-Watering Pumps Solicitation · Fish and Wildlife Service
Repair Existing Laydown Area to move Land Farm, USAG Humphreys Solicitation · Army Contracting Command (AMC)
Maintenance services for wastewater treatment plant, bldg. 961, NAF misawa, japan Award Notice · Naval Facilities Engineering Command (Navy) · N4008422R7003 —
Maintenance services for wastewater treatment plant, bldg. 961, NAF misawa, japan Solicitation · Naval Facilities Engineering Command (Navy) · N4008422R7003
Wastewater Sewer Utility Services Special Notice · Washington Headquarters Service
Sludge Removal and Land Application Award Notice · Air Mobility Command (USAF) · FA440721Q0003 —
Base Landfill Cell #9 Repair and Install Rain Cap Liner Award Notice · Naval Facilities Engineering Command (Navy) · N4008521F6591 —
Operation and Maintenance (O&M) Contract for the new Waste Water Treatment Plant (WWTP) at White Beach, Okinawa, Japan Pre-Solicitation · Naval Facilities Engineering Command (Navy)
Sludge Removal and Land Application Solicitation · Air Mobility Command (USAF) · FA440721Q0003
Hanford Central Plateau Cleanup Contract-The purpose of this modification is to issue an undefinitized task order pursuant to Clause H. 49, Task Ordering Procedure. Award Notice · Department of Energy —
Hanford CPCC Contract - End States & Base Ops Award Notice · Department of Energy —
TO-05 Groundwater Ops- Award Award Notice · Department of Energy —
Base Landfill Cell #9 Repair and Install Rain Cap Liner Solicitation · Naval Facilities Engineering Command (Navy) · N4008521R0253
US Embassy Dakar_Preventive Maintenance Service of the wastewater treatment plant Solicitation · US Embassy Dakar (DOS)
Show 40 more

Latest 50 of 72 listed here. See the rest on GovTribe.

Recent contract awards

Award Awarded Obligated
Correct deficiencies at wawona wastewater treatment plant - yosemite national park - mariposa county, CA 140P8526F0145 · V. Lopez JR. & Sons General Engineering Contractors, Inc. · Pacific West Region (NPS) $2,083,016
YRD wastewater treatment system maintenance and repair - option period 4 task order 1240BF26F0048 · Endicott Construction LLC · Forest Service $6,624
Removal, transportation, and disposal of oil/water mixture and contaminated sand/soil from various oil/water separators… W90VN626FA076 · Cscam Co., LTD · RCO Osan 411th CSB $74,631
Specialized storage for barda 7571MN26F80080 · Fisher Bioservices Inc. · Assistant Secretary for Financial Resources $56,733
YRD wastewater treatment system maintenance and repair - over and above work task order 1240BF26F0058 · Endicott Construction LLC · Forest Service $6,300
FY26 qutn title: cleaning, maintenance and repair of oil water separators within usag ansbach area (2ND option year)… W564KV26FA104 · Lissi Gebhardt Spezialtransporte-Umweltschutz GMBH · TCC Kaiserslautern 409th CSB (ECC) $90,298
N40084-22-D-0094 / to#N4008426F4170; repair/replace fence at camp kinser B.600, okinawa, japan Okinawa Sobi Kogyo, K.K. · Naval Facilities Engineering Command (Navy) $299,325
This award is a task order for maintenance services for wastewater treatment plant, building 961 for naval air N4008426F4247 · Kotobuki Kankyoh Kizai Co.,Ltd. · Naval Facilities Engineering Command (Navy) $47,141
FY26 A1 grease pumping & removal 15B21826P00000031 · Agri-Cycle Energy LLC · Federal Correctional Institution Berlin (BOP) $3,960
Disposal of expired material 75P00226P00006 · Broadview Waste Solutions, Inc. · Office of the Assistant Secretary for Administration $127,128

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date -$1,220
FY2026 $575,048,103
FY2025 $573,137,532
FY2024 $544,025,500
FY2023 $615,859,160
Rank NAICS code Obligated, FY2026–FY2027 Share
1 562910 Remediation Services $571,101,172
2 236220 Commercial and Institutional Building Construction $2,070,024
3 221320 Sewage Treatment Facilities $801,281
4 238990 All Other Specialty Trade Contractors $299,325
5 561210 Facilities Support Services $208,827
6 562211 Hazardous Waste Treatment and Disposal $182,272
7 541380 Testing Laboratories and Services $116,733
8 238290 Other Building Equipment Contractors $90,298
9 562998 All Other Miscellaneous Waste Management Services $65,735
10 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance $47,141

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Washington $570,501,172
2 California $2,786,175
3 Virginia $257,933
4 Maryland $243,860
5 Illinois $41,220
6 Pennsylvania $36,092
7 Alaska $12,924
8 Indiana $7,000
9 New Hampshire $3,960
10 Florida $310

Shares are of everything obligated under PSC Z1PD in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC Z1PD?

PSC Z1PD is Maintenance of Waste Treatment and Storage Facilities, a service code in PSC Z, Maintenance, Repair, Alteration Real Property.

How many government contracts for maintenance of waste treatment and storage facilities are there?

1 notice under PSC Z1PD was posted in the last 90 days, and none are open now. Federal agencies awarded 10 contracts under PSC Z1PD in the last 12 months, obligating $574,446,883.

How much do federal agencies spend under PSC Z1PD?

Federal contracts under PSC Z1PD obligated $573,137,532 in fiscal year 2025 and $2,308,069,074 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC Z1PD?

The contractors with the most obligated under PSC Z1PD in fiscal years 2026 and 2027 are Central Plateau Cleanup Company, LLC ($571,101,172); V. Lopez JR. & Sons General Engineering Contractors, Inc. ($2,083,016); and Perc Water Corporation ($494,332).

Which agencies buy the most under PSC Z1PD?

The agencies that obligated the most under PSC Z1PD in fiscal years 2026 and 2027 are Department of Energy ($570,117,485), Department of the Interior ($2,080,416) and Department of the Navy ($1,720,994).

Which NAICS codes are used with PSC Z1PD?

The NAICS codes with the most obligated under PSC Z1PD in fiscal years 2026 and 2027 are 562910 Remediation Services, 236220 Commercial and Institutional Building Construction and 221320 Sewage Treatment Facilities.

Where is the work under PSC Z1PD performed?

By place of performance, the states with the most contract obligations under PSC Z1PD over the last 12 months are Washington ($570,501,172), California ($2,786,175) and Virginia ($257,933).

What is the latest contract opportunity under PSC Z1PD?

The latest contract opportunity under PSC Z1PD is FY26 Preventive maintenance of Wastewater Collection and Treatment System, award notice from US Embassy Libreville (DOS), posted October 5, 2026.

On GovTribe

See everything under PSC Z1PD

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