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Mattabesset River Mattabesset River Watershed Watershed Management PlanManagement Plan
Julie FoleyJulie Foley
Watershed StatisticsWatershed Statistics
45,000-acres45,000-acres 90,000 residents90,000 residents 3 counties and 3 counties and
10 town 10 town municipalitiesmunicipalities
1,630 acres of 1,630 acres of wetlands in the wetlands in the watershedwatershed
Introduction
Land UseLand Use
65% zoned for 65% zoned for residentialresidential
18.3% 18.3% impervious coverimpervious cover
Introduction
CT River Watch CT River Watch ProgramProgram Volunteer-based CRWP founded in Volunteer-based CRWP founded in
19921992 Build awareness of river Build awareness of river
resourcesresources Collect scientifically credible dataCollect scientifically credible data
Introduction
Plan FocusPlan Focus
Ultimate goal to restore the river Ultimate goal to restore the river to a fishable and swimmable to a fishable and swimmable condition.condition.
Nine-goal management planNine-goal management plan– Water resourcesWater resources– Land useLand use– Education and outreachEducation and outreach– Funding and partnership needsFunding and partnership needs
Vision StatementVision Statement
Water Quality Water Quality MonitoringMonitoring Yearly monitoring since 1992Yearly monitoring since 1992 Water chemistry and bacteriaWater chemistry and bacteria Problems with bacteria, Problems with bacteria,
nutrients and metalsnutrients and metals Macroinvertibrates indicate Macroinvertibrates indicate
moderate to severe WQ moderate to severe WQ and habitat degradationsand habitat degradations
State of the Watershed
TMDLTMDL
Sources of indicator bacteria include point and nonpoint sources– Stormwater runoff, animal waste,
natural sources (wildlife), illicit discharges, failed collection systems, and poor septic systems.
Implementation Plan – MS4 Permits Monitoring Plan
State of the Watershed
Dams and Dams and ImpoundmentsImpoundments Multiple drinking water reservoirsMultiple drinking water reservoirs Three industrial impoundments Three industrial impoundments
impede fish migrationimpede fish migration– Two inactive industrial dams Two inactive industrial dams
(cooling and hydroelectric)(cooling and hydroelectric)– One actively utilized as a cooling One actively utilized as a cooling
pondpond
State of the Watershed
Stream Walk Study Stream Walk Study ResultsResults <25’ stream buffers are common<25’ stream buffers are common Most common land use adjacent to Most common land use adjacent to
streams is suburban development streams is suburban development Notable stream bank erosionNotable stream bank erosion Prevalent in stream algal growthPrevalent in stream algal growth Stormwater discharge pipes Stormwater discharge pipes
causing impairmentscausing impairments
State of the Watershed
Plan ImplementationPlan Implementation
District, municipalities, District, municipalities, landowners, businesses, federal landowners, businesses, federal and state environmental agencies, and state environmental agencies, and environmental organizationsand environmental organizations
Three PhasesThree Phases1.1. Outreach and education (< 2 years)Outreach and education (< 2 years)2.2. Implement funded projects (2-5 years)Implement funded projects (2-5 years)3.3. Long term follow-up projects (5-10 Long term follow-up projects (5-10
years)years)The Plan
Plan OrganizationPlan Organization
The Plan
GoalGoal– State goal and problem definitionState goal and problem definition
PhasePhase– I, II and III; each has separate objectiveI, II and III; each has separate objective
Objective Objective – State objectivesState objectives
Supporting tasksSupporting tasks– List tasks required to address goalList tasks required to address goal
Management Plan for the Mattabesset River Watershed, 2000
http://www.conservect.org/ctrivercoastal/riverwatch/about.htm
http://dep.state.ct.us/wtr/tmdl/mattbasintmdlfinal.pdf