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Notice of Public Comment Period - Draft Air Quality Permits for DC Water - Bryant Street Pumping Station

Friday, September 16, 2022


Draft Air Quality Permits 7150-R1 and 7151-R1, District of Columbia Water and Sewer Authority (DC Water), Operation of two existing 8.325 MMBTU/hr natural gas-fired boilers at the Bryant Street Pumping Station, 301 Bryant Street NW

Notice is hereby given that, pursuant to 20 DCMR §210, the Air Quality Division (AQD) of the Department of Energy and Environment (DOEE), located at 1200 First Street NE, 5th Floor, Washington, DC, intends to issue Permit Nos. 7150-R1 and 7151-R1 to the District of Columbia Water and Sewer Authority (DC Water) to operate two (2) Cleaver Brooks 8.328 MMBTU per hour natural gas-fired boilers, located at the Bryant Street Pumping Station, 301 Bryant Street NW, Washington DC. The contact person for the facility is Kenrick St. Louis, Vice President, Department of Pumping and Sewer Operations, at (202) 612-3533.


The estimated maximum annual emissions from each of the two 8.328 MMBTU/hr natural gas-fired boilers are expected to be as follows:


Maximum Annual Emissions
for Each Boiler



Total Particulate Matter (PM Total) τ


Sulfur Dioxide (SO2)


Nitrogen Oxides (NOx)


Volatile Organic Compounds (VOC)


Carbon Monoxide (CO)


τ PM Total includes both filterable and condensable fractions.

The proposed emission limits are as follows:

    1. Each of the boilers (identified as Boiler B-01 and Boiler B-02) shall not emit pollutants in excess of those specified in the following table [20 DCMR 201]:

Boiler Emission Limits


Short-Term Limit (lb/hr)

Carbon Monoxide (CO)


Oxides of Nitrogen (NOx)


Total Particulate Matter (PM Total)τ


Sulfur Dioxide (SO2)


τ PM Total includes both filterable and condensable fractions. 

b.   Visible emissions shall not be emitted into the outdoor atmosphere from the boilers, except that discharges not exceeding forty percent (40%) opacity (unaveraged) shall be permitted for two (2) minutes in any sixty (60) minute period and for an aggregate of twelve (12) minutes in any twenty-four hour (24 hr.) period during start-up, cleaning, adjustment of combustion controls, or malfunction of the equipment [20 DCMR 606.1]

c.   Total suspended particulate matter (TSP) emissions from each of the boilers shall not be greater than 0.11 pounds per million BTU. [20 DCMR 600.1].

d.   An emission into the atmosphere of odorous or other air pollutants from any source in any quantity and of any characteristic, and duration which is, or is likely to be injurious to the public health or welfare, or which interferes with the reasonable enjoyment of life or property is prohibited. [20 DCMR 903.1]

The permit application and supporting documentation, along with the draft permit are available for public inspection at AQD and copies may be made available between the hours of 8:15 A.M. and 4:45 P.M. Monday through Friday. Interested parties wishing to view these documents should provide their names, addresses, telephone numbers and affiliation, if any, to Stephen S. Ours at (202) 535-1747. Copies of the draft permit and related technical support memorandum are available in the attachments section below.

A public hearing on this permitting action will not be held unless DOEE has received a request for such a hearing within 30 days of the publication of this notice. Interested parties may also submit written comments on the permitting action. The written comments must include the person’s name, telephone number, affiliation, if any, mailing address and a statement outlining the air quality issues in dispute and any facts underscoring those air quality issues. All relevant comments will be considered in issuing the final permit.

Comments on the draft permit and any request for a public hearing should be addressed to:

Stephen S. Ours
Chief, Permitting Branch - Air Quality Division

Department of Energy and Environment
1200 First Street NE, 5th Floor
Washington, DC 20002

[email protected]

No comments or hearing requests submitted after October 17, 2022 will be accepted.

For more information, please contact Stephen S. Ours at (202) 535-1747 or [email protected].