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Agency Department of Environmental Quality (440)
Measure Name Pounds of nitrogen discharged from major pollution point sources in the Chesapeake Bay watershed.
Measure Last Modified
09-03-2024 03:56 p.m.
Measure Last Published
09-03-2024 04:15 p.m.
Status
Active
Data Source and Calculation
Permit holders are required to report the amount of pollution permitted to be discharged. Pounds of nutrients discharged each calendar year is obtained from the permit data available in Comprehensive Environmental Data System (CEDS). Note, the targets are equal to WIP III Goals.
Enterprise Priorities and Strategies
Initiative Priority Strategy
Natural Resources Chesapeake Bay Restoration Protect and improve the health of the Chesapeake Bay, by making every effort to meet the goals for nutrient reduction outlined in the federal government’s cleanup plan.
Associated Service Areas
Service Area Code Service Area Name
51510 Virginia Water Quality Improvement Fund
Targets and Baselines
Name Date Result Note
Baseline 12-31-1999 27588064.0
Short Target 2025 12753717.0
Long Target 2027 12753717.0
Results
Year Result Note
1995
1996
1997
1998
1999 27,588,063.58
2000 28,136,022.20
2001 27,907,270.87
2002 27,424,353.77
2003 25,563,246.84
2004 25,002,857.19
2005 24,265,552.47
2006 23,603,998.67
2007 22,327,737.93
2008 21,387,165.39
2009 22,462,099.33
2010 22,426,587.93 There are three reasons why the nitrogen loads have decreased below the short-term target, and are very close to the long-term target: Installation of nitrogen removal facilities has proceeded on a expedited schedule; Operation of the installed facilities is better than design expectations; and, Wastewater flows remain below design capacity for most of the facilities. Design capacity was the basis for establishing the load target at each facility. As population increases in the future, flows will approach design capacity and operational efficiencies will also approach design efficiencies. Reporting period is identified as the calendar year, ending December 31. Updates are expected in May, annually. Data from earlier years was provided to give a historical context for the nutrient loading numbers provided.
2011 16,679,908.43
2012 15,489,545.63 Reporting period is identified as the calendar year, ending December 31. The next update expected in July.
2013 15,246,947.59 Annual reporting requirements for this measure are on a calendar year basis and it is therefore imperative that all evaluations and analyses are done on calendar year as well.
2014 14,662,802.75 Reporting period is identified as the calendar year, ending December 31.
2015 14,846,259.21 Reporting period is identified as the calendar year, ending December 31.
2016 13,820,367.29 Reporting period is identified as the calendar year, ending December 31.
2017 12,225,480.00 Reporting period is identified as the calendar year, ending December 31.
2018 12,033,814.00 Reporting period is identified as the calendar year, ending December 31.
2019 12,286,435.00 Reporting period is identified as the calendar year, ending December 31.
2020 12,016,950.00 Reporting period is identified as the calendar year, ending December 31.
2021 11,179,288.00 Reporting period is identified as the calendar year, ending December 31.
2022 10,290,040.00 Reporting period is identified as the calendar year, ending December 31.
2023 10,422,736.00 Reporting period is identified as the calendar year, ending December 31.
2024
2025
Measure ID 44051510.001.001
Measure Class Agency Key
Measure Type Output
Year Type Calendar
Preferred Trend Decrease
Frequency Annually
Statistical Unit Number
sp134 Performance Measure - 06-07-2025 08:01:28