A Message from the Commission Chair and the General Manager            


Who We Are

Established in 1918, today WSSC is among the largest water and wastewater utilities in the nation, with a network of nearly 5,600 miles of fresh water pipeline and more than 5,400 miles of sewer pipeline. Our service area spans nearly 1,000 square miles in Prince George’s and Montgomery counties serving 1.8 million residents through approximately 460,000 customer accounts. WSSC drinking water has always met or exceeded federal standards.

Our Mission

We are entrusted by our community to provide safe and reliable water, life’s most precious resource, and return clean water to our environment, all in an ethical, sustainable, and financially responsible manner.

Our Vision

We will become the world-class provider of safe, reliable water and wastewater services that protects quality of life for our community.

  • Customers are delighted with our excellent products and innovative services.
  • Relationships with our customers, employees and business partners surpass expectations.
  • The environment is improving as a result of our commitment to sustainability and excellence.



Our Values


Our guides for daily behavior and decision making at every level



We are responsible employees who are accountable and take our actions seriously.

Integrity and Respect:

We are a diverse organization that encourages and practices equality, trust, openness, and respect for all.


We achieve the highest level of quality and productivity, demonstrating excellence in providing world-class service to everyone.


Individual Initiative:

We create and seize opportunities to grow personally and professionally, contributing to the success of our organization.


Environmental Stewardship:

We continuously enhance and protect natural resources and the environment for the health of future generations.


Cost Awareness:

We balance cost and benefit in our daily actions to achieve optimal value for our customers.


Our Strategic Priorities (FY 2014-2018)


Our methods for achieving our Mission and Vision 


Sustain Infrastructure:

Plan, invest in, and renew our infrastructure to meet customer expectations through innovative, cost-effective technology and world class asset management practices.


Ensure Financial Sustainability:

Practice sound financial stewardship ensuring delivery of the best quality water and wastewater treatment services to our customers at a reasonable cost, with affordable rates, and use of innovative ideas for minimizing rate increases.


Optimize Workforce Management:

Sustain a high-performing, diverse workplace that attracts and retains flexible and knowledgeable employees who promote service excellence and innovation.    


Integrate Supply Chain Management and Supplier Diversity: 

Ensure operational efficiency and reliable service to customers, suppliers, and all stakeholders through transparent, equitable, and responsible procurement practices that involve, inform, and reflect the community we serve. 

Deliver Excellent Customer Service: 

Ensure customer confidence through the delivery of timely, high quality products and services to internal and external customers.     


Ensure Security and Safety:

Protect our people, our business, and our community through proactive planning, emergency preparedness and utilization of effective risk management.   


Enhance Communications and Stakeholder Relationships:

Proactively communicate and sustain relationships and strategic partnerships with our community, key stakeholders and jurisdictions in support of our mission and our future success.  


Demonstrate Environmental Stewardship:

Practice safe and responsible stewardship of our water, air, and land through efficient and effective education, technology, and business practices.   




WSSC Operates and Maintains

  • 3  reservoirs – Triadelphia, Rocky Gorge and Little Seneca with total holding capacity of 14 billion gallons (Note: Jennings Randolph Reservoir holds an additional 13 billion gallons of water shared with Fairfax Water and the Washington Aqueduct)

  • 2 water filtration plants – the Patuxent (max 56 million gallons per day MGD) and the Potomac (max 285 MGD) plants produce an average of 167 million gallons per day (MGD) of safe drinking water 

  • 6 wastewater treatment plants – Western Branch, Piscataway, Parkway, Seneca, Damascus and Hyattstown, with a total capacity to handle 74.1 million gallons of wastewater per day.

  • The Blue Plains Advanced Wastewater Treatment Plant, operated by DC Water,  handles as much as an additional 169 MGD under a cost sharing agreement with the WSSC, treating on average approximately 65% of the Commission’s wastewater annually.

  • Nearly 5,600 miles of water main lines and more than 5,400 miles of sewer main lines.

Miscellaneous WSSC Facts 

  • Our state-of-the-art laboratory performs an estimated 500,000 tests annually to ensure water safety and quality.  
  • The Commission's FY 13 operating and capital budget is $1.4 billion, of which $661.7 million is for operating expenses and $788.0 million is for capital expenditures.   


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