3-Party Consent Decree Status Report: Quarter No. 2

Civil Action No. 1:00CV00183TFH

Civil Action No. 02-2511 (TFH)

DISTRICT OF COLUMBIA

WATER AND SEWER AUTHORITY

Serving the Public • Protecting the Environment

3-Party Consent Decree Status Report:

Quarter No. 2 - 2022

July 2022

3-Party Consent Decree: Quarter No. 2 – 2022

DISTRICT OF COLUMBIA

WATER AND SEWER AUTHORITY

Washington, D.C.

3-Party Consent Decree Status Report

Quarter No. 2 - 2022

Table of Contents

1. INTRODUCTION

2. REQUIREMENTS DUE IN CURRENT QUARTER

3. REQUIREMENTS DUE AFTER NEXT QUARTER

4. ON-GOING REQUIREMENTS

3-Party Consent Decree: Quarter No. 2 – 2022

1. INTRODUCTION

The District of Columbia Water and Sewer Authority (DC Water or Authority) and the District of Columbia entered into a Consent Decree (CD)

with the U.S. Government and certain citizen plaintiffs to resolve allegations of violations of the Clean Water Act regarding the management,

operation and maintenance of the combined sewer system and implementation of Nine Minimum Controls. The following consent decree was lodged

with and entered by the court on June 25, 2003 and October 10, 2003, respectively:

United States District Court for the District of Columbia

Civil Action No. 1:00CV00183TFH

Civil Action No. 02-2511 (TFH)

Consent Decree

The CD requires that DC Water submit written status reports to the Environmental Protection Agency (EPA) Region III and the citizen plaintiffs by

the 28

day of the month following the end of each calendar quarter. The CD requires that the following be provided in each status report:

 The due dates and other terms that DC Water is required to meet since the date of the last quarterly statement, whether and to what extent

DC Water has met these requirements, and the reasons for any noncompliance.

 A general description of the work completed within the three-month period, and a projection of work to be performed during the next three-

month period.

 All other items as specified in Section V (Compliance Program and Schedules) of the CD including the status of the catch basin cleaning.

This report covers the months April through June 2022, which is Quarter No. 2 in 2022. Note that the CD requires posting certain information on

DC Water’s website, including the Combined Sewer System (CSS) Quarterly Reports. The website addresses for these items are as follows:

 DC Water’s website: www.dcwater.com

 CSS Quarterly Reports on DC Water’s website:

https://www.dcwater.com/publications?field_document_type_tid=47&field_document_sub_type_tid=50

 CD Quarterly Reports on DC Water’s website:

https://www.dcwater.com/publications?field_document_type_tid=47&field_document_sub_type_tid=52

3-Party Consent Decree: Quarter No. 2 – 2022

2. REQUIREMENTS DUE IN CURRENT QUARTER

The following is a status report for requirements due in the current quarter:

REQUIREMENTS DUE IN CURRENT QUARTER

Reference Requirement Due Date Status

p. 25,

VII.19.(a).

(b).(c)

Reporting

Submit quarterly consent decree status report.

4/28/22 DC Water submitted the Quarterly Report on April 26, 2022 for

Quarter No. 1 in 2022.

3. REQUIREMENTS DUE AFTER NEXT QUARTER

The following is a status report for requirements due next quarter.

REQUIREMENTS DUE NEXT QUARTER

Reference Requirement Due Date Status

p. 25,

VII.19.(a).

(b).(c)

Reporting

Submit quarterly consent decree status report.

7/28/22 The submission of this Quarterly Report satisfies the reporting

requirement due in the next quarterly period for Quarter No. 2 in

2022.

p. 22,

V.16.b.(ii)

Pamphlets/Inserts

Semi-annually, prepare an information

pamphlet/insert containing CSO information

and distribute in the water bills.

Twice per

year

This information is on DC Water’s website and it is updated

regularly.

p. 22,

V.16.b.(ii)

Public Notification – Information

Pamphlets/Inserts

Distribute CSO pamphlet/insert semi-annually

to boat rental facilities, marinas, tackle shops,

and other public locations along affected river

segments.

Twice per

year

This information is on DC Water’s website and it is updated

regularly.

4. ON-GOING REQUIREMENTS

The following is a status report for requirements that are performed at periodic intervals on an on-going basis.

3-Party Consent Decree: Quarter No. 2 – 2022

ON-GOING ACTIVITIES

Reference Requirement Due Date Status

p. 4, II.3 Application and Scope

Provide a copy of the CD to any consultant or

contractor selected to perform any activity

required by the CD.

As required Completed in Quarter No. 4, 2003. DC Water will send additional

letters and copies of the CD to affected Project Design Engineers

(PDEs) as they are retained for other projects required by the CD.

p. 10,

V.10.a.(iv)

Replace Inflatable Dams

Operate and maintain all inflatable dams so

that they fully perform their function of

reducing the frequency and severity of CSO

events.

Ongoing

after

04/01/04

Inspection and maintenance of the inflatable dams is performed

monthly and is documented in the CSS Quarterly Report, Section

2.4, Table 2-6, submitted to EPA Region III and available on DC

Water’s website. Wet weather operations are reported on Table 2-

p. 10,

V.10.b.(i)

(a-e)(ii)

(d.)(iv)

Tide Gate Repair & Replacement

Operate and maintain all tide gates in the CSS

so as to prevent river water from entering the

CSS, to the extent achievable with generally

accepted design, engineering and maintenance

practices.

Ongoing

after

10/10/03

Inspection and maintenance of the tide gates is performed monthly

and is documented in the CSS Quarterly Report, Section 2.2,

Table 2-2, submitted to EPA Region III and available on DC

Water’s website.

p. 12,

V.10.e.i

Assurance of Conveyance Capacity

Ensure collections system has capacity to

convey at least 1,076 mgd from the areas

served by the collection system to Blue

Plains.

Quarterly,

following

EPA Region

III’s approval

letter of

04/11/07

On April 1, 2011, DC Water placed the Blue Plains Influent

Sewers in Operation. On October 14, 2013, DC Water achieved a

firm Potomac Pumping Station capacity of 460 mgd. See item

p.15,V.12.e(v) for Potomac Pumping Station in this report.

p. 12,

V.11

Pretreatment

Maintain and update the current pretreatment

program as required by the Clean Water Act,

Pretreatment Regulations, and the NPDES

Permit.

Ongoing

after

10/10/03

The Pretreatment Program is being maintained and updated. The

program submits reports and updates annually to EPA Region III.

3-Party Consent Decree: Quarter No. 2 – 2022

ON-GOING ACTIVITIES

Reference Requirement Due Date Status

p. 11,

V.10.c

Maximization of Storage in the Collection

System – Catch Basins

o Clean at least 85 % of the catch

basins in CSS at least annually

o Inspect catch basins in CSO areas

tributary to the Anacostia River at

least two times per year, and clean

such basins more frequently as

indicated by the inspections.

Annually Catch basin cleaning totals are reported in DC Water’s CSS

Quarterly Report, in Section 4.1, Table 4-1, submitted to EPA

Region III and available on DC Water’s website. Calendar year-

to-date totals for this quarter are as follows:

CSS Catch Basin Inspection and Cleaning

Catch Basin in CSS:

10,668

(1)

Catch Basins in CSS Cleaned:

1,293

12%

Catch Basins in Anacostia CSS:

5,717

(1)

Catch Basins in Anacostia CSS Inspected Once:

5,439

95%

Catch Basins in Anacostia CSS Inspected Twice:

253

Notes:

(1) The number of catch basins in our service area changes with the

ongoing connections and abandonments to the sewer

infrastructure.

3-Party Consent Decree: Quarter No. 2 – 2022

ON-GOING ACTIVITIES

Reference Requirement Due Date Status

p. 13,

V.12.a.(i)

and (ii)

Maximization of Flow to the POTW for

Treatment

Operate and maintain the collection system

and pumping stations to deliver the maximize

flow possible to Blue Plains within the

constraints of the pumping stations,

configuration and capacity of the collection

system, and capacity of Blue Plains; treat all

flows conveyed to Blue Plains to full degree

and extent required by Permi

Ongoing

after

10/10/03

Operation and maintenance status of the collection system and

pumping stations is reported in Section 2 of the CSS Quarterly

Report, available on DC Water’s website. The pumping stations

and collection system have been operated to maximize the flow to

Blue Plains within the constraints of the system. During the period

covered by this report, the daily peak influent rate to Complete

Treatment exceeded 555 mgd, the rate established in the NPDES

permit.

p.14,

V.12.b.(v)

Main and O Pumping Stations

Maintain firm sanitary pumping capacities of

240 and 45 mgd, respectively.

Ongoing

after

04/16/08

The number of pumps and screens available for service at Main

and O Pumping Stations is reported in Section 2.3.1, Table 2-3 of

the CSS Quarterly Report, submitted to EPA Region III and

available at DC Water’s website. Table 2-3 shows that the

station’s firm pumping capacity was maintained for the period

covered by this repor

p. 14,

V.12.c.(v)

East Side Pumping Station

Maintain a firm sanitary pumping capacity of

45 mgd.

Ongoing

after

08/01/06

The number of pumps and screens available for service at East

Side Pumping Station is reported in Section 2.3.1, Table 2-3 of the

CSS Quarterly report, submitted to EPA Region III and available

at DC Water’s website. Table 2-3 shows that the station’s firm

pumping capacity was maintained for the period covered by this

repor

p. 14,

V.12.d.(iv)

Poplar Point Pumping Station

Maintain a firm sanitary pumping capacity of

45 mgd.

Ongoing

after

10/10/03

The “new” Poplar Point Pumping Station was brought on line on

March 20, 2018. The number of pumps and screens available for

service at the “new” Poplar Point Pumping Station is reported in

Section 2.3.1, Table 2-3 of the CSS Quarterly report, submitted to

EPA Region III and available at DC Water’s website. Table 2-3

shows that the station’s firm pumping capacity was maintained for

the period covered by this repor

3-Party Consent Decree: Quarter No. 2 – 2022

ON-GOING ACTIVITIES

Reference Requirement Due Date Status

p. 15,

V.12.e.(v)

Potomac Pumping Station

Maintain a firm sanitary pumping capacity of

460 mgd.

Ongoing

after

10/14/13

The number of pumps and screens available for service at Potomac

Pumping Station is reported in Section 2.3.1, Table 2-3 of the CSS

Quarterly Report, submitted to EPA Region III and available at

DC Water’s website. Table 2-3 shows that the station’s firm

pumping capacity was maintained for the period covered by this

repor

p. 17,

V.13.b

Facilitate Reports from Public of Dry Weather

Overflows (DWO)

 Include DWO information on

water/sewer bill inserts.

 Staff and maintain phone line to receive

reports on DWOs.

Ongoing

after

10/10/03

DWO information is included on all water/sewer bill inserts for

CSO program. Phone line and staff remain in operation to receive

DWO reports.

p. 18,

V.14

Control of Solids and Floatable Material in

CSOs

Conduct visual wet weather surveys at

outfalls 009 through 012 to assess the extent

of floatables discharged.

Ongoing

after

10/10/03

Visual surveys completed in the quarter are included in Section 5

of the CSS Quarterly Report, submitted to EPA Region III and

available on DC Water’s website.

p. 18,

V.15

Pollution Prevention Programs

Maintain the MS4 pollution prevention

programs.

Ongoing

after

10/10/03

The MS4 Pollution Prevention Program is being maintained and

updated. The program produces an annual report.

p. 18,

V.15

Pollution Prevention Programs

Continue to periodically educate the public

about pollution prevention through

newsletters and web site.

Ongoing

after

10/10/03

Information about pollution prevention is included on DC Water’s

website. In addition, twice a year, informational pamphlets are

included in the water/sewer bills mailed to citizens.

p. 19,

V.16.a.(i)

Public Notification – CSO Signs

Conduct monthly inspections of CSO warning

signs and replace, repair or clear obstructions

as required.

Monthly Inspection and replacement of signs is documented in Section 2.2

of the CSS Quarterly Reports, submitted to EPA Region III and

available on DC Water’s website.

p. 21,

V.16.b

Public Notification – Web Site

Maintain general info on CSOs, 12 most

current CSS Quarterly Reports, and

annual/quarterly CSO discharge volumes.

Ongoing

after

10/10/03

This information is on DC Water’s website and it is updated

regularly.

3-Party Consent Decree: Quarter No. 2 – 2022

ON-GOING ACTIVITIES

Reference Requirement Due Date Status

p. 24,

V.17.a

Monitoring

Report CSO overflows at remote (SCADA-

monitored) sites.

04/28/04 Information on CSO overflows reported at SCADA-monitored

sites is included in Table 2-7 of the CSS Quarterly Reports,

submitted to EPA Region III and available on DC Water’s

website.