wisconsin’s nutrient reduction strategy for water quality wisconsin crop management conference...
TRANSCRIPT
![Page 1: Wisconsin’s Nutrient Reduction Strategy for Water Quality Wisconsin Crop Management Conference January 16, 2014 Ken Genskow, PhD Associate Professor, Department](https://reader035.vdocuments.mx/reader035/viewer/2022062803/56649f3b5503460f94c58fed/html5/thumbnails/1.jpg)
Wisconsin’s Nutrient Reduction Strategy for Water
Quality
Wisconsin Crop Management ConferenceJanuary 16, 2014
Ken Genskow, PhDAssociate Professor, Department of Urban & Regional Planning
University of Wisconsin-Madison/Extension. [email protected][thanks to staff at WDNR and UWEX for slides and images used in this
presentation]
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Developed in response to:
EPA’s March 2011 memo from Nancy Stoner
Gulf Hypoxia Action Plan 2008
Great Lakes Water Quality Agreement of 2012
Nutrient related water quality problems in Wisconsin’s lakes, streams and groundwater
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Effective Nutrient Reduction
“…the best approaches will entail States, federal agencies, conservation districts, private landowners and other stakeholders working collaboratively to develop watershed-scale plans that target the most effective practices to the acres that need it most.”
“The key elements to success in BMP implementation continue to be sound watershed and on-farm conservation planning, sound technical assistance, appropriate and targeted financial assistance and effective monitoring.”
USEPA Memorandum, March 2011, “Working in Partnership with States to Address Phosphorus and Nitrogen Pollution through Use of a Framework for State Nutrient Reductions.”
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Wisconsin’s Strategy
Build on existing federal, state and local programs
new phosphorus rules and regulations adopted in 2010; point source phosphorus discharge limits in place since 1993
or earlier; and programs on-going for 30 years
Identify and fill program gapsEnhance coordinationNot proposing new rules or regulations
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Schedule Sept 2012 – Multi-agency kick-off and
stakeholder meetings
Sept 2012 to March 2013 – multi-agency work groups and periodic stakeholder webinars
May 2013 – Multi-agency review meeting
August 2013 – release of draft for public review
Sept 2013 – Stakeholder meeting and presentations to ATCP and NR Boards
Nov 2013 – submitted to EPA
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Strategy document Executive Summary – 14 pages Main Document
1. Targeting/Priority Setting2. Nutrient Reduction Targets3. Point Source Permits4. Agricultural Nonpoint Nutrients5. Integrating Point and Nonpoint6. Storm Water, Septic Systems, other7. Accountability and Verification8. Water Quality Monitoring9. Reporting 10. Numeric Water Quality CriteriaAppendices
Available: http://dnr.wi.gov/topic/SurfaceWater/nutrientstrategy.html
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Priority Setting/Targeting: Top
Group WatershedsPhosphorus Nitrogen
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StatusPhosphorus in
streamsNitrogen in
streams
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Status
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TrendsPhosphorus Nitrogen
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.0280.0280.019
0.0140.0140.0280.0280.0280.028
0.014
0.0000.0280.0280.0140.0280.028
0.014
0.0250.0000.0140.0140.014
0.0000.0040.0140.0140.0110.0000.0170.0140.0140.0140.0140.0120.0050.0120.0110.018
0.636
0.080
0.019
0.0000.000
0.1000.138
0.035
0.228
0.000
0.000
0.147
0.028
0.000
0.160
0.245
0.000
0.025
0.0000.0000.0000.0140.0000.0040.0000.0000.011
0.0000.017
0.0000.0000.0000.0000.0120.0050.0000.000
0.018
0.000
0.000
0.000
0.0000.000
0.0000.000
0.000
0.0000.000
0.016
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.0110.0000.0000.0000.0100.0000.0000.0000.000
0.0040.000
0.0000.0000.0000.0000.0000.0000.0000.000
0.000
0.000
0.000
0.000
0.0140.014
0.0000.000
0.000
0.000
0.014
0.016
0.000
0.0000.014
0.000
0.000
0.014
0.000
0.0110.0140.0140.0000.0100.0000.0140.0140.0000.0040.000
0.0140.0140.0140.0140.0000.0000.0120.0110.000
TP (m
g/L)
0
1
2
3
4
5
6
7
0.000
0.101
0.0000.101
0.000
0.2020.1010.202
0.101
0.0000.000
0.0000.0000.101
0.0000.0000.000
0.0000.1010.1010.1010.0000.0000.000
0.1010.0000.1010.1010.1010.1010.1010.1010.1010.1010.1010.1010.150
0.101
0.000
0.000
0.0000.000
0.000
0.468
0.000
2.142
0.000
0.0000.000
0.0000.0000.000
0.0000.0000.000
0.0000.0000.0000.000
0.0000.0000.0000.0000.0000.000
0.0000.0000.0000.0000.0000.0000.0000.0000.0000.1500.000
1.999
0.000
1.1080.000
0.501
0.000
0.000
0.000
0.000
3.2402.681
0.5770.1890.000
0.2710.3460.125
0.3660.0000.0000.000
0.1710.1670.2000.0000.0950.000
0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
0.202
0.1010.202
0.101
0.2020.000
0.101
0.000
0.101
0.2020.202
0.202
0.1890.1010.2020.2020.125
0.2020.1010.1010.1010.1710.1670.2000.1010.0950.101
0.1010.1010.1010.1010.1010.1010.1010.1010.1010.0000.101
TN (m
g/L)
Increase in parts of southern
Wisconsin since 1977
Decrease in parts of southern
Wisconsin since 1977
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TrendsPhosphorus Nitrogen
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45% Reduction Phosphorus – Mississippi
River Basin: Progress
1995 Today -
1,000,000
2,000,000
3,000,000
4,000,000
5,000,000
6,000,000
7,000,000
8,000,000
9,000,000
10,000,000
Point Source
Nonpoint Source
Avera
ge A
nnual P
ounds p
er
Year
45% Reduc-tion Goal
23% Reduction to Date
45% Goal? achievable with existing programs, continuing implementation
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0
500
1000
1500
2000
2500
Point Source Phosphorus Dis-charges -- Mississippi River Basin
1995 2000 2006 2010
pounds p
er
year
67% reduction
54% reduction in Lake Michigan Basin
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Federal, state and local programs Natural Resources Conservation Service (NRCS) Farm Service Agency (FSA) Dept. Agr. Trade Cons. Protection (DATCP) Dept. Natural Resources (DNR), (incl. EPA 319 grants) University of Wisconsin (UW) and Extension (UWEX) Counties
Over $50 million available in 2013
Agricultural Nonpoint Sources
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Tracking/Accountability
System in place to track wastewater discharge phosphorus contributions
No statewide system in place to track agricultural nonpoint source phosphorus contributions Lack baseline Lack good system of best management practice
installation/maintenance Lack means to translate BMP installation to load
reductions
Working on options for agricultural nonpoint source tracking
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Examples
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Strategy Emphasis: Integrating Point Source and Nonpoint Source
– TMDLs
– PRESTO analysis of point source and nonpoint source contributions at 652 sites
– Options for integration through Point Source permits
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Point Source Permits
WPDES Programs in place for phosphorus:
Wastewater facilities – technology and water quality based limits
- Since 1993: 1.0 mg/L; average ~ 0.5mg/L
- New: Rivers 0.1 mg/L; Streams 0.075 mg/L; Reservoirs 0.03-0.04 mg/L; Lakes…0.015-0.04 mg/L
Enhancing nitrogen monitoring
CAFO permits MS4 permits
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Options for Point Source permit holders to meet water quality critera
▪ Facility upgrades (brick and mortar projects)▪ Often expensive – approaching $500 million or
more to upgrade facilities in Lower Fox
▪ Watershed Approaches:▪ Water quality trading (WQT)▪ Adaptive management option (AMO)
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Watershed Approaches
▪ Driven by WPDES dischargers
▪ Pay for reductions elsewhere in the watershed in order to save money on costly upgrades at treatment facility.
▪ Water Quality Trading: ▪ Discharge/end of pipe ▪ reduction accomplished by buying “credits”
from other watershed sources
▪ Adaptive Management Option: ▪ in-stream standards at discharge point ▪ met by reducing phosphorus in the
watershed
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Watershed Approach
- Point Source
- Nonpoint Source
- Action Area
- River/Stream
- Watershed
More information: search dnr.wi.gov for “adaptive management” or “trading”
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Moving Forward Multiple discussions of Phosphorus Implementation
- Tracking, brokering, etc. associated with Trading, AMO
Nitrogen Science Summit and Roundtable Series- Focus: N in Wisconsin’s soil, surface water,
groundwater, and air – what we know, don’t know, and uncertainties
- Kick-off Summit – March 28, 2014 – UW-Madison - ‘Roundtable’ meetings in 2014-2015
Annual meeting and updates for Nutrient Reduction Strategy
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Strategy Document: http://dnr.wi.gov/topic/SurfaceWater/nutrientstrategy.html
Watershed approaches: search dnr.wi.gov for “adaptive management” or “trading”