Draft Stormwater Monitoring Draft Stormwater Monitoring and Assessment Strategy for and Assessment Strategy for

the Puget Sound Region:the Puget Sound Region:Volume 1Volume 1

Scientific FrameworkScientific FrameworkNovember 18, 2009November 18, 2009

Jim Simmonds and Karen DinicolaJim Simmonds and Karen DinicolaStormwater Work GroupStormwater Work Group

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Today’s TalkToday’s TalkOverview of programOverview of program

Purpose and scope of this effortPurpose and scope of this effort Scientific basis of the strategyScientific basis of the strategy Initial hypotheses and monitoring designsInitial hypotheses and monitoring designs Peer reviewPeer review

Schedule and approach to finalize, Schedule and approach to finalize, adopt and implement the strategyadopt and implement the strategy

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Stormwater Work GroupStormwater Work Group Pilot topical work group to be part Pilot topical work group to be part

of the new regional ecosystem of the new regional ecosystem monitoring programmonitoring program

Caucus-based committee with broad Caucus-based committee with broad representationrepresentation

Committed to creating a Committed to creating a new business model for new business model for monitoringmonitoring

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What We Are DoingWhat We Are DoingCreating a monitoring and assessment Creating a monitoring and assessment

strategy for the Puget Sound region strategy for the Puget Sound region that:that: Assesses and quantifies stormwater impactsAssesses and quantifies stormwater impacts Evaluates efficacy of management practicesEvaluates efficacy of management practices Describes roles and responsibilitiesDescribes roles and responsibilities

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What This Effort Has TakenWhat This Effort Has Taken Project manager: 75% Project manager: 75% FTEFTE Facilitator: 25% Facilitator: 25% FTEFTE Chair: 30-50% Chair: 30-50% FTEFTE Committee members: 20 x 5-20% Committee members: 20 x 5-20% FTEFTE Non-members on subgroups: ~8 x 5-15% Non-members on subgroups: ~8 x 5-15% FTEFTE Consultant assistance: ~800 hoursConsultant assistance: ~800 hours Meetings and workshops: $25K/yearMeetings and workshops: $25K/year TimeTime

Scientific BasisScientific BasisAdaptive managementAdaptive managementStart with highest priority monitoringStart with highest priority monitoring

Provide the most important Provide the most important information to decision makersinformation to decision makers

Hypothesis-driven approachHypothesis-driven approach““Credible, Testable, Actionable”Credible, Testable, Actionable”

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Assessment QuestionsAssessment QuestionsLong-term status, trends, and spatial Long-term status, trends, and spatial

extent of beneficial uses impacted by extent of beneficial uses impacted by stormwater?stormwater?

Efficacy of stormwater management Efficacy of stormwater management actions at reducing impacts?actions at reducing impacts?

Sources of stormwater causing the Sources of stormwater causing the impacts? impacts?

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Prioritization ProcessPrioritization ProcessBrainstorming by committeeBrainstorming by committeeTechnical expert work sessionsTechnical expert work sessionsConsultant assistanceConsultant assistancePublic workshopsPublic workshops

ApproachApproachReview scientific frameworks for Review scientific frameworks for

other regional programsother regional programsDevelop and prioritize Develop and prioritize

hypotheseshypothesesDraft initial experimental Draft initial experimental

designsdesigns

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Stressors

Direct effects on receiving waters:

• channel modifications• riparian clearing• water withdrawal• addition of alien taxa

Indirect effects on receiving waters:

• changing land use• appropriation of water• stormwater runoff• pollutant generation

All driven by humanpopulation growth andresource consumption

Biological responses

Biotic interactions

Biotic interactions

Water qualityand toxicity

Water qualityand toxicity

Land conversion: “the driver”

Altered waterresource features

Biological or human health

endpoint

Habitat structureHabitat

structure

Flow regimeFlow

regime

Energy sourceEnergy source

Conceptual ModelConceptual Model

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Agricultural Residential Commercial Industrial

Marine toxics accumulation

in food chain toxics accumulation

in food chain

Nearshore shellfish growing

areas contact recreation

shellfish growing areas

toxics accumulation in food chain

contact recreation

shellfish growing areas

contact recreation

shellfish growing areas

toxics accumulation in food chain

contact recreation

Small streams

benthic invertebrates

acute toxicity contact recreation physical habitat eutrophication

benthic invertebrates

acute toxicity contact recreation physical habitat eutrophication flooding

benthic invertebrates

acute toxicity physical habitat flooding

benthic invertebrates

acute toxicity physical habitat

Rivers benthic

invertebrates

Lakes

benthic invertebrates

contact recreation eutrophication

benthic invertebrates

toxics accumulation in food chain

contact recreation eutrophication drinking water

 

Groundwater drinking water drinking water drinking water drinking water

Wetlands physical habitat physical habitat physical habitat physical habitat

Major Stormwater ImpactsMajor Stormwater Impacts

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Scientific FrameworkScientific FrameworkHypotheses for each of three Hypotheses for each of three

categories of monitoring that categories of monitoring that address different scales:address different scales:Status and trendsStatus and trendsEffectivenessEffectivenessSource identificationSource identification

Proposed InitialProposed InitialExperimental DesignsExperimental Designs

Status and trends monitoringStatus and trends monitoring Small streamsSmall streams NearshoreNearshore

Effectiveness studiesEffectiveness studies Low-impact development (LID)Low-impact development (LID) Industrial source controlIndustrial source control

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Status and TrendsStatus and TrendsSmall streams and nearshoreSmall streams and nearshoreFocus on biotaFocus on biotaProbabilistic designProbabilistic designPuget Sound widePuget Sound wideCan be sampled atCan be sampled at

higher density higher density for areas/issues of for areas/issues of

concernconcern

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Small Streams Status & TrendsSmall Streams Status & Trends Consistent with State’s Consistent with State’s

ambient programambient program Permanent & rotating sitesPermanent & rotating sites

StreamflowStreamflow Benthic macroinvertebratesBenthic macroinvertebrates Sediment chemistrySediment chemistry Physical habitatPhysical habitat Water qualityWater quality Toxicity testingToxicity testing

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Nearshore Status & Trends Nearshore Status & Trends Probabilistic design focused on biotaProbabilistic design focused on biotaPermanent and rotating sitesPermanent and rotating sitesMonitoring:Monitoring:

Bacteria Bacteria Marine benthosMarine benthos Physical habitatPhysical habitat Sediment chemistrySediment chemistry Tissue chemistry Tissue chemistry

• mussels, herring, and English sole (also lesions)mussels, herring, and English sole (also lesions)

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EffectivenessEffectivenessCategories:Categories:

Low-impact development Low-impact development techniques for future new techniques for future new developmentdevelopment

Retrofit techniques for Retrofit techniques for existing developmentexisting development

Non-structural operational and Non-structural operational and programmatic approachesprogrammatic approaches

Initial studiesInitial studies

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Low-impact DevelopmentLow-impact Development Small-scale residential Small-scale residential

LID projectsLID projects Outfall stations, Outfall stations,

background stations, background stations, downstream stationsdownstream stations

3 years of monitoring:3 years of monitoring: Weather, flow, ground-Weather, flow, ground-

water elevationwater elevation Benthic macroinvertebratesBenthic macroinvertebrates Water & sediment quality, toxicityWater & sediment quality, toxicity

November, 2009November, 2009 2020

Industrial Source ControlIndustrial Source Control Outfalls at both test and control basinsOutfalls at both test and control basins 3 years of water quality monitoring:3 years of water quality monitoring:

Baseflow Baseflow Storms Storms

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Source IdentificationSource Identification Local scale plus collective regional Local scale plus collective regional

assessmentsassessments ID and track sources of chemicals or runoff ID and track sources of chemicals or runoff

volumes that are impacting beneficial usesvolumes that are impacting beneficial uses

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Summary of Proposed Monitoring Summary of Proposed Monitoring Status and Trends Effectiveness Source ID

Marine

Nearshore

Probabilistic survey design (resident fish, forage fish, shellfish, bacteria, sediment, toxics)

Fecal coliform bacteria Industrial (toxics)

Smallstreams

Probabilistic survey design (salmon, invertebrates, toxics)

Low impact development (hydrology, biota, water quality)

Urban retrofits (pollutants, toxics, water quantity)

Industrial source control (pollutants)

Public education (pollutants)

Street sweeping (pollutants)

Altered flows Impervious surface

(hydrology) Industrial (toxics) Vehicle miles as surrogate

(pollutants)

Rivers

Lakes

Groundwater

Wetlands

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Additional Science NeedsAdditional Science NeedsData managementData managementStandard operating Standard operating

proceduresproceduresLand use/land cover Land use/land cover

datadataClimate dataClimate dataModelingModeling

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Formal Peer Review PanelFormal Peer Review PanelRich HornerRich Horner, Univ. of Washington, Univ. of WashingtonBob PittBob Pitt, Univ. of Alabama, Univ. of AlabamaJean SpoonerJean Spooner, North Carolina State Univ., North Carolina State Univ.Tom SchuelerTom Schueler, Chesapeake Stormwater , Chesapeake Stormwater

NetworkNetworkSteve WeisbergSteve Weisberg, Southern California , Southern California

Coastal Water Research ProjectCoastal Water Research Project

Completing the Completing the Scientific FrameworkScientific Framework

Public comments and peer review due Public comments and peer review due COB November 30, 2009COB November 30, 2009

Post on webpage:Post on webpage: All comments All comments Responses to formal peer review commentsResponses to formal peer review comments

SWG will address gaps, issues: scientific SWG will address gaps, issues: scientific framework complete early 2010framework complete early 2010

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Volume 2: Volume 2: Implementation PlanImplementation Plan

Necessary mechanics for a Necessary mechanics for a scientifically credible programscientifically credible program SOPs, data reporting, data management, etc.SOPs, data reporting, data management, etc.

Roles and responsibilities Roles and responsibilities Coordinated approach to implementationCoordinated approach to implementation

Completing the StrategyCompleting the Strategy Complete scientific frameworkComplete scientific framework Implementation planning January-April 2010; Implementation planning January-April 2010;

another workshop in May 2010another workshop in May 2010 Interact with Ecosystem Coordination BoardInteract with Ecosystem Coordination Board Interact with Science PanelInteract with Science Panel

Final strategy to PSP and Ecology by June 30, Final strategy to PSP and Ecology by June 30, 20102010 Brief Leadership CouncilBrief Leadership Council

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