Improving Water Quality through Stormwater Management

Three Bays Watershed

April Wobst, Restoration Ecologist

rain

impervious

surfaces

runoff

nutrients

bacteria &

pathogens metals oil

pesticides trash

sediment

thermal

stress

salts

Nitrogen

Sources

Cape Cod

Source: Cape Cod Commission 208 Plan

A “blue economy”

livelihood and

sustenance brought

forth from the sea

inverted elbow

pre-

treatment

catch basin

catch basin

Stormwater Management

green

treats

close to

source

modeled

after

nature

cost

effective

reduces

volume

biological

treatment

Assessment and Prioritization

Design and Permitting

Installation

Photo Credit: Gerald Beetham

Assessment and Prioritization

Design and Permitting

Installation

Phase 2: September 2018 – February 2019

Phase 2: 2019 Phase 2: Spring 2020

Photo Credit: Gerald Beetham

Project Area

2018

20 Sites

2017

42 Sites

Field Assessment

Prioritization of Sites

• Cost

• Ease of Implementation

Credit: Barnstable Clean Water Coalition

SHORT-TERM RESULTS LONG-TERM GOALS

Education and Outreach

Photo Credit: Horsley Witten Group

What You Can Do

Questions?