update on lake erie nutrient and algal issues gail hesse ohio lake erie commission march 30, 2012
TRANSCRIPT
Update on Lake Erie Nutrient Update on Lake Erie Nutrient and Algal Issuesand Algal Issues
Gail Hesse Gail Hesse
Ohio Lake Erie CommissionOhio Lake Erie Commission
March 30, 2012March 30, 2012
August 11 2011August 11 2011 1330 cfs1330 cfs
Photo: NOAA Satellite ImagePhoto: NOAA Satellite Image
Photo: NOAA Satellite ImagePhoto: NOAA Satellite Image
October 9, 2011October 9, 2011
Microcystis Microcystis near near MarbleheadMarblehead
October 9, 2011October 9, 2011
Photo: Richard Kraus, United States Geological SurveyPhoto: Richard Kraus, United States Geological Survey
Algal ToxinsAlgal Toxins
Microcystin Microcystin – World Health Organization benchmark criteriaWorld Health Organization benchmark criteria
1 ppb for drinking water1 ppb for drinking water
20 ppb for recreational contact20 ppb for recreational contact
Anatoxin-a, Saxitoxin, CylindrospermopsinAnatoxin-a, Saxitoxin, Cylindrospermopsin
Public Water System CyanotoxinPublic Water System Cyanotoxin
No detections in finished waterNo detections in finished water
2011 Source (raw) 2011 Source (raw) water detection in 9 water detection in 9 PWS Systems:PWS Systems:– MarbleheadMarblehead– SanduskySandusky– Camp PatmosCamp Patmos– Put In BayPut In Bay– LE UtilitiesLE Utilities
– OregonOregon– ToledoToledo– Carroll TownshipCarroll Township– Ottawa CountyOttawa County
Recent & Current ActivitiesRecent & Current Activities
Lake Erie P Task Force Phase I, Phase IILake Erie P Task Force Phase I, Phase II
State of Ohio HAB Response StrategyState of Ohio HAB Response Strategy
Lake Erie Millennium NetworkLake Erie Millennium Network
Directors’ Agricultural Nutrients & Water Directors’ Agricultural Nutrients & Water Quality Working GroupQuality Working Group
Directors’ Point Source/Urban Work GroupDirectors’ Point Source/Urban Work Group
Nutrient Reduction Strategy Framework Nutrient Reduction Strategy Framework for Ohio Waters - Draftfor Ohio Waters - Draft
Key FindingsKey FindingsNW Ohio: commercial fertilizer dominates NW Ohio: commercial fertilizer dominates land applicationland application
More fall preparation of seed beds, More fall preparation of seed beds, more fall more fall and winter applicationand winter application
Changing methods: more broadcast Changing methods: more broadcast application without incorporationapplication without incorporation
Unknown and uncertain use of soil tests and Unknown and uncertain use of soil tests and adherence with recommendationsadherence with recommendations
Changes in drainage, weather patternsChanges in drainage, weather patterns
3 Categories of 3 Categories of RecommendationsRecommendations
Priority practicesPriority practices– Key issues: amount, timing, incorporation, Key issues: amount, timing, incorporation,
management of field runoffmanagement of field runoff– No single practice will result in lower nutrient No single practice will result in lower nutrient
runoffrunoff
Tools to quantify edge of field runoff Tools to quantify edge of field runoff potentialpotential
Research Research
State of Ohio HAB StrategyState of Ohio HAB Strategy
Monitoring protocols and advisoriesMonitoring protocols and advisories
Addresses:Addresses:– Beach advisoriesBeach advisories– Public drinking waterPublic drinking water
Under revision for 2012Under revision for 2012
www.ohioalgaeinfo.comwww.ohioalgaeinfo.com
Ohio State Park BeachOhio State Park BeachAlgae Advisory PostingsAlgae Advisory Postings
No ContactAdvisory
Public HealthAdvisory
BloomAdvisory
Avoid all contact
Avoid direct contact with water
Avoid ingestion, direct contact with visible scum
2011 Lake Erie Advisories2011 Lake Erie Advisories
Maumee Bay State Park: Public Health Maumee Bay State Park: Public Health AdvisoryAdvisory
Lake Erie (Battery Park): Algal Bloom Lake Erie (Battery Park): Algal Bloom AdvisoryAdvisory
Sandusky: Algal Bloom AdvisorySandusky: Algal Bloom Advisory
Directors’ Agricultural Nutrients and Directors’ Agricultural Nutrients and Water Quality Working GroupWater Quality Working Group
Ohio EPA, Ohio DNR and ODAOhio EPA, Ohio DNR and ODAFocus on voluntary actions: 4RsFocus on voluntary actions: 4Rs– Right fertilizer, Right rate, Right time, Right Right fertilizer, Right rate, Right time, Right
placementplacement
Coordinate funding, researchCoordinate funding, research– Focus: edge of field, tile managementFocus: edge of field, tile management
Develop/expand authoritiesDevelop/expand authorities– Habitual bad actorsHabitual bad actors– Nutrient Management PlansNutrient Management Plans
P Task Force Phase IIP Task Force Phase II
Build on lessons learned from Phase IBuild on lessons learned from Phase I
Incorporate findings of current researchIncorporate findings of current research– Millennium Synthesis Team Funded by Ohio Lake Millennium Synthesis Team Funded by Ohio Lake
Erie Commission and GLNPOErie Commission and GLNPOReport: 14 June 2011Report: 14 June 2011
Focus on:Focus on:– Management actionsManagement actions– Recommendations from Directors’ Working GroupRecommendations from Directors’ Working Group– Reduction goal/targetReduction goal/target
Lake Erie Protection Fund Lake Erie Protection Fund
Available on the web at: www.oplates.com
www.ohioalgaeinfo.com
Ohio Phosphorus Task Force Report:www.epa.ohio.gov/dsw/lakeerie/ptaskforce
Directors’ Ag Nutrients & WQ Working Group Report:dnr.ohio.gov/portals/12/docs/waterqualityreport.pdf