Blue Plains Total Nitrogen Removal Wet Weather Plan
2022-08-16T17:08:27+00:00
Blue Plains Total Nitrogen Removal / Wet Weather Plan
2020 7 17 Table of Contents 1 DRAFT H:\1160\BP Strategic Plan\TNWW Plan\ReportDraft\Table of Contentsdoc DISTRICT OF COLUMBIA WATER AND SEWER AUTHORITY Washington, DC Blue Plains Total Nitrogen Removal / Wet Weather Plan Long Term Control Plan Supplement No 12007 7 30 Purpose: To present WASA s proposed Total Nitrogen Removal/Wet Weather Plan and to obtain public comments Background: WASA operates the wastewater collection system for the District of Columbia and provides wastewater treatment at the Blue Plains Advanced Wastewater Treatment Plant for the District and portions of Maryland and VirginiaWASA To Host Public Meeting for $800 Million Total weather operations on total nitrogen removal during a severe storm Dynamic simulations were used to evaluate the impact of various peaking factors and treatment options for wet weatherDYNAMIC MODELING OF WET WEATHER OPERATIONS AT BLUE 2011 5 20 Nitrogen Removal Technology: Past, Present and FutureBlue Plains Advanced Wastewater Treatment Plant’s Current Nutrient Regulation and Nitrogen Removal Processes May 20 th, 2011 Sudhir N Murthy, PhD, PENitrogen Removal Technology: Past, Present and Future Blue 2017 8 31 4 and pumping stations At Blue Plains carbon is reduced by use of coarse bubble diffused aeration and the plant uses chemical precipitation for phosphorus removal Biological Nitrogen Removal (BNR) a process whereby ammonia nitrogen is converted to nitrate nitrogen The process also includes denitrification facilities for nitrogen removal, filtrationBlue Plains Wastewater Treatment Plant Draft Permit Fact Sheet
Case 1:00cv00183TFH Document 1153 Filed 05/19/15 Page 1 of 4
2015 5 20 • Supplement No1 to the LTCP, which comprises the Blue Plains Total Nitrogen Removal/Wet Weather Plan submitted to EPA on October 12, 2007 This plan provides for modifying the LTCP Consent Decree to blend the new nitrogen limit for Blue Plains and wet weather treatment The principal provisions of the plan include2018 11 1 4 and pumping stations At Blue Plains carbon is reduced by use of coarse bubble diffused aeration and the plant uses chemical precipitation for phosphorus removal Biological Nitrogen Removal (BNR) a process whereby ammonia nitrogen is converted to nitrate nitrogen The process also includes denitrification facilities for nitrogen removal, filtrationFACT SHEET NPDES PERMIT REISSUANCE DISTRICT OF COLUMBIA planning for future enhanced nutrient removal (ENR) with permit limits of 3 to 5 mg/l total nitrogen (TN) before nutrient removal was widely employed, Blue Plains was designed as anOPTIMIZATION OF NITRIFICATION I DENITRIFICATION PROCESS 2011 5 4 1 "Blue Plains" or "plant" or "POTW" or "facility" means the Disrict of Columbia advanced wastewater treatment plant located at 5000 Overlook Avenue, SW, Washington, DC, 20032 2 "Blue Plains Tunnel" or "BPT" means the tunnel that is part of the CSS which is included in the LTCP and which terminates on the Blue Plains site 3Permit No DC AUTHORIZATION TO DISCHARGE UNDER 2018 8 23 Blue Plains 370 mgd annual avg Total Cost to DC Water Additional Cost to CSO Program $ 0 $ 239 M $ 1,600 M $ 800 M Significant Savings by Integrating Nitrogen Removal Goals into CSO Program Project Evolution Nitrogen Removal Alternatives 740 mgd Peak = 20 555 mgd Peak = 15 13DC CLEAN RIVERS PROJECT CONSENT DECREE EVOLUTION
District of Columbia Department of Environment Chesapeake Bay
2012 1 31 Nutrient Removal at Blue Plains • Nitrogen removal is a biochemical process: uses a naturally occurring bacteria; requires ‘food’ • Will involve use of additional 30,000 gal of methanol/day (current use: 12,000 gal/day) • Requires construction of an additional tunnel segment to accommodate wet weather flow to bePERFORMANCE AND RELIABILITY AT THE BLUE PLAINS ADVANCED (ENR) with permit limits of 3 to 5 mg/l total nitrogen (TN) optimizing wet weather operations,OPTIMIZATION OF NITRIFICATION I DENITRIFICATION PROCESS PERFORMANCE AND RELIABILITY Breakpoint chlorination tests on domestic wastewaters at the Blue Plains plant indicate that 95 to 99 percent of the ammonia is converted to nitrogen gas and that no significant amount of nitrous oxide is formed15 The quantity of chlorine required to achieve breakpoint was found to decrease with an increasing degree of treatment before the breakpoint processPhysicalChemical Nitrogen Removal Wastewater 2017 8 31 19 “Wet Weather Flow” or (“WWF”) means the flow that occurs as a result of storm water runoff, including snowmelt, entering or being conveyed in the CSS 20 “Wet Weather Treatment Facility” or “WWTF” refers to the facility located on the Blue Plains site designed to empty the BPT and transfer treated effluent toEffective Date: TBD AUTHORIZATION TO DISCHARGE UNDER THE 2021 3 22 Blue Plains AWTP Alexandria RE The Noman Cole Plant has been Tanks Filters Solids Processing Incineration Overall Plant Schematic Program Planning 2004 Nitrogen Discharge Through 2004 0 500,000 1,000,000 1,500,000 2,000,000 2,500,000 3,000,000 ds Wet Weather Improvements Nutrient Removal Program COG Home
APPENDIX A Phase II 2017 Strategies Maryland
2019 10 26 B) Blue Plains Upgrades The Blue Plains Wastewater Treatment Plant is the largest advanced wastewater treatment plant in the world, with a rated capacity of 370 million gallons per day (MGD) During extreme wet weather events, flows can reach 1076 billion gallons per day Maryland’s portion of the Blue Plains flow is 1696 MGD2011 5 4 collection system low to Blue Plains and receives EFT c Ater'the ECF is placed in operation, the Inluent Flow discharged from Outfall 001 means the component of low emptied rom the BPT that receives treatment in the ECF and disinfection and dechlorination 12 "Long Term Control Plan" or "LTCP" means the recommended plan for the CSSPermit No DC AUTHORIZATION TO DISCHARGE UNDER The selected engineering firm, project team of engineering firms, or joint venture, will provide program management services to oversee the accomplishment of numerous projects comprised in the $14 billion capital improvements program (CIP), including projects in the Total Nitrogen and Wet Weather program areas and Biosolids Management Plan for the Blue Plains Advanced Wastewater Treatment PlantDCWater Vendor Portal2020 1 6 o Plant effluent quality to 3 mg/l total nitrogen and 0 3mg/l total phosphorous • On March 20, 2012, flush Blue Plains Advanced Wastewater Treatment Plant Long Term Control Plan to reduce CSOs • Plan included construction of CSO storage tunnels o Tunnels store wet weather flow for treatment after the storm has passed Anwer Hasan, Senior Vice PresidentPart of a 15year scheme launched in 2000 to improve wastewater treatment for the whole of the Greater Paris area, the upgrade at Seine Aval – Europe’s largest WWTP – is a major programme of works It includes an extensive new nitrification / denitrification facilitySeine Aval WWTP Upgrade Water Technology
Effective Date: TBD AUTHORIZATION TO DISCHARGE UNDER THE
2017 8 31 19 “Wet Weather Flow” or (“WWF”) means the flow that occurs as a result of storm water runoff, including snowmelt, entering or being conveyed in the CSS 20 “Wet Weather Treatment Facility” or “WWTF” refers to the facility located on the Blue Plains site designed to empty the BPT and transfer treated effluent toBlue Plains Receives $104 The monies will go toward the $950 million nitrogenremoval program that DC Water recently broke ground on The Blue Plains facility for a total of 726 square miles Blue Plains Receives $104 million from Maryland for 2019 6 28 the NCPCP and Blue Plains Treatment Plant to the A lexRenew plant As with other treatment plants in the area, additional facilities have been constructed at AlexRenew to enhance the removal of nitrogen using “State of the Art” technology AlexRenew will be constructing new facilities to process wet weather flowsFY 2020 FY 2024 Adopted CIP Fairfax County, Virginia2019 10 26 B) Blue Plains Upgrades The Blue Plains Wastewater Treatment Plant is the largest advanced wastewater treatment plant in the world, with a rated capacity of 370 million gallons per day (MGD) During extreme wet weather events, flows can reach 1076 billion gallons per day Maryland’s portion of the Blue Plains flow is 1696 MGDAPPENDIX A Phase II 2017 Strategies Maryland2020 7 7 the NCPCP and Blue Plains Treatment Plant to the AlexRenew plant As with other treatment plants in the area, additional facilities have been constructed at AlexRenew to enhance the removal of nitrogen using “State of the Art” technology AlexRenew will be constructing new facilities to process wet weather flowsAdopted Capital Improvement Program (CIP) FY 2020 FY 2025
Maximizing Benefits from Renewable Energy at Blue Plains
2014 4 8 Maximizing Benefits from Renewable Energy at Blue Plains AWWTP Alan B Cooper 1 , Leonard Benson 2 , Walter Bailey 2 , Ernest Jolly 2 and William Krill 3 ¹Parsons Water Infrastructure Inc, 3926 Pender Drive – Suite 100, Fairfax, VA 1 6 o Plant effluent quality to 3 mg/l total nitrogen and 0 3mg/l total phosphorous • On March 20, 2012, flush Blue Plains Advanced Wastewater Treatment Plant Long Term Control Plan to reduce CSOs • Plan included construction of CSO storage tunnels o Tunnels store wet weather flow for treatment after the storm has passed Anwer Hasan, Senior Vice President2021 3 2 (Total Cost: $424M) • Blue Plains (S2210; p 45): enhanced nitrogen removal north, enhanced clarification facilities, enhanced nitrogen removal facilities, biosolids filtrate treatment facilities, combined heat power as backup power, biosolids blending development center, ENR program management, and wet weather mitigation,WSSC's Planning ProcessDC Water has awarded a contract to Kruger Inc, part of resource management group Veolia, for a major new installation of the company’s ACTIFLO technology to process and treat wet weather flows, according to a press release Under the terms of the deal Kruger will implement three 83 MGD (millions of gallons per day) ACTIFLO trains at the Blue Plains Advanced Wastewater Treatment Plant in DC Water awards contract for new system to treat wet Together, with the new 225 milliongallonperday Wet Weather Treatment Facility at Blue Plains, this 7mile tunnel segment reduces combined sewer overflows by more than 80 percent Construction of the Division H Anacostia River Tunnel was launched in First Section Of Anacostia River Tunnel Opens, Fulfills