Private company

Washington Suburban Sanitary Commission

Political subdivision of Maryland

The Washington Suburban Sanitary Commission (WSSC Water) is a bi-county political subdivision of the State of Maryland that provides safe drinking water and wastewater treatment for Montgomery and Prince George's Counties in Maryland except for a few cities in both counties that continue to operate their own water facilities. The Commission is one of the largest water and wastewater utilities in the United States.2 It is headquartered in Hyattsville.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

May 1, 1918Founded1
  • HeadquartersHyattsville1
  • Websitewww.wsscwater.com
  • Legal formASSOCIATION3
  • Kind of organizationAssociation1
  • LEI549300EZUWNTQF827C243
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered address14501 Sweitzer Lane, 20707-5901 Laurel, United States3
WSSC building
Photo: Jstuby at en.wikipedia, Public domain, via Wikimedia Commons4

The Washington Suburban Sanitary Commission (WSSC Water) is a bi-county political subdivision of the State of Maryland that provides safe drinking water and wastewater treatment for Montgomery and Prince George's Counties in Maryland except for a few cities in both counties that continue to operate their own water facilities. The Commission is one of the largest water and wastewater utilities in the United States.2

Corporate structure

Washington Suburban Sanitary Commission sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Washington Suburban Sanitary Commission Laurel, Maryland, United States
    • Brighton Dam Owned · Montgomery County, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

What it owns

What Washington Suburban Sanitary Commission reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

  • Brighton Dam
  • Brighton Dam

Things Wikidata records the company as owning, with the share when stated.1

Leadership

Who has led Washington Suburban Sanitary Commission, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Also owns

  • Brighton Dam since 1943
  • Brighton Dam since 1943

From Wikidata.1

Acquisitions

  1. 1943Acquired Brighton Dam1
  2. 1943Acquired Brighton Dam1

Timeline

  1. 1943Acquisition Acquired Brighton Dam1
  2. May 1, 1918Founded Founded1

Funding

Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.

Money received by year$325.2M 2008–2026
Without federal contracts$3.3M 2008–2023
Without federal contractsWithout federal contracts, 2008–2023: $3.3M in all. Federal grants $3.3M.$0$1M$2M$3M2008 · Federal grants: $477.9K20082009 · Federal grants: $570.9K20102012201420162018202020222023 · Federal grants: $2.2M2023
Figures by year
YearFederal grantsFederal contractsTotal
2026–$19.1M$19.1M
2025–$17.8M$17.8M
2024–$13.2M$13.2M
2023$2.2M$16.4M$18.7M
2022–$12.1M$12.1M
2021–$14.9M$14.9M
2020–$14.9M$14.9M
2019–$13.7M$13.7M
2018–$16.7M$16.7M
2017–$21.5M$21.5M
2016–$17.0M$17.0M
2015–$25.7M$25.7M
2014–$20.3M$20.3M
2013–$17.0M$17.0M
2012–$14.7M$14.7M
2011–$14.6M$14.6M
2010–$11.6M$11.6M
2009$570.9K$26.4M$26.9M
2008$477.9K$14.3M$14.7M

Federal awards

Obligated amounts from USAspending.gov5, by calendar year, 2008–2026, for its registration. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.

Largest grants

  1. Oct 1, 2023$2.2M from Department of Energy: Conservation Research And Development6 To WASHINGTON SUBURBAN SANITARY COMMISSION Award DEEE0010987
  2. Nov 30, 2009$570.9K from Department of Energy: Renewable Energy Research And Development7 To WASHINGTON SUBURBAN SANITARY COMMISSION Award DEEE0000616
  3. Jun 15, 2008$477.9K from Environmental Protection Agency: Congressionally Mandated Projects8 To WASHINGTON SUBURBAN SANITARY COMMISSION Award 97359801

Largest contracts

  1. Nov 10, 2021$78.9M from National Institutes of Health: Wssc (water) nih campus and lease invoicing (fy22) contract# 75n99022c000019 To WASHINGTON SUBURBAN SANITARY COMMISSION Award 75N99022C00001
  2. Feb 10, 2017$18.4M from National Institutes of Health: Igf::ot::igf base period meter 16 4735494 wssc (water) nih can# 8024539 jan 201710 To WASHINGTON SUBURBAN SANITARY COMMISSION Award HHSN292201700001O
  3. Oct 29, 2019$13.6M from National Institutes of Health: Washington suburban sanitary commission utility bills11 To WASHINGTON SUBURBAN SANITARY COMMISSION Award 75N99020C00001
  4. Oct 1, 2018$13.5M from National Institutes of Health: Washington suburban sanitary commission utility bills12 To WASHINGTON SUBURBAN SANITARY COMMISSION Award 75N99019C00002
  5. Oct 14, 2020$11.6M from National Institutes of Health: Washington suburban sanitary commission utility bills13 To WASHINGTON SUBURBAN SANITARY COMMISSION Award 75N99021C00001