PSC Z1PD: Maintenance of Waste Treatment and Storage Facilities

Z1PD is the product and service code (PSC) federal agencies use for maintenance of waste treatment and storage facilities, in the maint, alter, repair buildings group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.

Open contracts now
0
Spending, FY2026
$555 million
Share to small businesses
2%

Where Z1PD sits in the PSC Manual

  • Category: Service
  • Group Z: Maint, Repair, Alter Real Property
  • Group Z1: Maint, Alter, Repair Buildings
  • Code Z1PD: Maintenance of Waste Treatment and Storage Facilities

NAICS codes used with PSC Z1PD

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1PD most often:

NAICSIndustrySpent, last 3 years
562910Remediation Services$1.6 billion
236220Commercial and Institutional Building Construction$13 million
221320Sewage Treatment Facilities$11.4 million
924110Administration of Air and Water Resource and Solid Waste Management Programs$3.8 million
561210Facilities Support Services$550,206
238990All Other Specialty Trade Contractors$413,246

Who buys under PSC Z1PD

Agencies with the most contract dollars under Z1PD over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of Energy$1.6 billion
Department of the Navy$11.8 million
Department of the Air Force$11.6 million
Agency for International Development$3.8 million
National Park Service$2.1 million
Washington Headquarters Services$732,927
Office of the Assistant Secretary for Administration$181,560
Forest Service$155,960

Federal spending under PSC Z1PD by year

Fiscal yearContract obligations
FY2024$544 million
FY2025$573.1 million
FY2026$555 million
FY2027 (so far)$0

Who wins PSC Z1PD contracts

CompanyObligated, last 3 years
Central Plateau Cleanup Company, LLC$1.6 billion
Bhate Environmental Associates, Inc.$10.7 million
Perc Water Corporation$10.5 million
Ecodit LLC$3.8 million
V. Lopez Jr. & Sons General Engineering Contractors, Inc$2.1 million
KGJJ Engineering Solutions, LLC$735,157
City of Alexandria Virginia Sanitation Authority$732,927
Okinawa Sobi Kogyo, K.K.$413,246
Rosales Daniel$356,462
Kobakyu, K.K.$186,693

Related PSC codes

  • Z111 Maint – Rep – Alt/Office BLDGS
  • Z112 Maint – Rep – Alt/Conf Space & Fac
  • Z119 Maint – Rep – Alt/Other Admin BLDGS
  • Z121 Maint – Rep – Alt/Air Traffic Towers
  • Z122 Maint – Rep – Alt/Air Traffic TNG Fac
  • Z123 Maint – Rep – Alt/Radar & Nav Fac
  • Z124 Maint – Rep – Alt/Airport Runways
  • Z125 Maint – Rep – Alt/Airport Terminals
  • Z126 Maint – Rep – Alt/Missile Systems Fac
  • Z127 Maint – Rep – Alt/Elct & Comm Sys Fac

Frequently asked questions

What is PSC Z1PD?

Z1PD is the service code in the federal Product and Service Code (PSC) Manual for maintenance of waste treatment and storage facilities, under Z (Maint, Repair, Alter Real Property) and Z1 (Maint, Alter, Repair Buildings). Agencies put a PSC on every contract to record what they bought.

What is the difference between a PSC and a NAICS code?

A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.

Which NAICS code goes with PSC Z1PD?

Most federal contract dollars under PSC Z1PD go with NAICS 562910 (Remediation Services), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.

How do I find contracts that use PSC Z1PD?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. FedReady can match new ones to your business and email you, free.

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