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FIVE YEARS IN ON A TEN YEAR PLAN: ADAPTIVE MANAGEMENT IN ACTION
IN THE LONG CREEK WATERSHED
Presented by:
April 28, 2015
Tamara Lee Pinard LCWMD Executive Director
CCSWCD Stormwater Program Manager
Team Long Creek
Chris Baldwin District Engineer
Chris Brewer Project Administrator
Rachel Smith Watershed Specialist
Kate McDonald Project Scientist
Tamara Lee Pinard Executive Director
Damon Yakovleff Watershed Analyst
Colonel Westbrook Business Park
Maine Mall
Jetport
Sable Oaks Golf Course
18%
19%
55%
42%
Long Creek Watershed
What is the big picture problem?
Long Creek and its tributaries
do not meet
state water quality standards
Background
Residual Designation Authority
• The Clean Water Act allows petitioning of EPA to designate properties causing or contributing to water quality impairment
• March 2008: Conservation Law Foundation petitioned EPA
• October 2009: EPA’s final decision to designate
Background
Implementation Strategies
Background
How Will Long Creek be Restored? Implement non-structural measures to address chloride, metals and nutrients.
Implementation Strategies
How Will Long Creek be Restored? Treat 150 impervious acres to address volume of water, metals, nutrients, dissolved oxygen and temperature
74.83 acres treated (49.9%)
Implementation Strategies
How will Long Creek be restored? Improve habitat at 10 sites to address dissolved oxygen, temperature, in-stream habitat, fish passage
3 completed (30%)
Implementation Strategies
So what does this all mean?
Expert Review Panel
Academics Curtis Bohlen, CBEP Bob Pitt, University of Alabama
Historians Jennie Bridge, EPA Jeff Dennis, DEP Fred Dillon, South Portland John Field, Field Geology Services Zach Henderson, Woodard & Curran
Biologists Tracy Tarr, GZA Leon Tsomides, DEP
Watershed Specialists/ Engineers Rich Claytor, Horsley Witten Bill Hoffman, FST Andy Reese, Amec Foster Wheeler Rob Roseen, Horsley Witten
Hydrologists Rob Dudley, USGS Charlie Hebson, MaineDOT
Academics Curtis Bohlen, CBEP Bob Pitt, University of Alabama
Historians Jennie Bridge, EPA Jeff Dennis, DEP Fred Dillon, South Portland John Field, Field Geology Services Zach Henderson, Woodard & Curran
Biologists Tracy Tarr, GZA Leon Tsomides, DEP
Watershed Specialists/ Engineers Rich Claytor, Horsley Witten Bill Hoffman, FST Andy Reese, Amec Foster Wheeler Rob Roseen, Geosyntec
Hydrologists Rob Dudley, USGS Charlie Hebson, MaineDOT
Expert Review Panel
Expert Review Panel
Colonel Westbrook Business Park
Maine Mall
Jetport
Sable Oaks Golf Course
18% 14%
55% 52%
42% 33%
19% 14%
Impervious Cover
Blanchette Brook Colonel Westbrook
Business Park
Watershed Area: 432 acres Initial IC: 18%
Effective IC: 14%
Case Study
2011 in-stream restoration • Installed 65 boulders & 128 trees with root wads
Blanchette Brook
Case Study
Blanchette Brook
tjd&a
2011 streamside plantings • 50 trees, 604 shrubs, and 2098 herbaceous plants
Case Study
Thomas Drive, Westbrook 2012 Impervious Cover Treated: 16.39 acres Effective Impervious: 14%
Case Study
Blanchette Brook
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0:0
10
:46
1:3
12
:16
3:0
13
:46
4:3
15
:16
6:0
16
:46
7:3
18
:16
9:0
19
:46
10
:31
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:16
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12
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0:0
10
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1:3
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3:0
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:46
Stre
am F
low
(cm
s)
Time from Start
Stre
am F
low
(cm
s)
Time
Blanchette Brook Colonel Westbrook
Business Park
Watershed Area: 432 acres Initial IC: 18%
Effective IC: 14%
Case Study
Happy Bugs Since 2013
Colonel Westbrook Business Park
Maine Mall
Jetport
Sable Oaks Golf Course
18% 14%
55% 52%
42% 33%
19% 14%
Impervious Cover
Main Stem
Sable Oaks Golf Course
Watershed Area: 1418 acres Initial IC: 19%
Effective IC: 14%
Mall Plaza, South Portland
2010 Impervious Cover Treated: 14.5 acres Effective Impervious Cover: 18%
Soil media filter under construction
2012 Impervious Cover Treated: 1.97 + 34.39 acres Effective Impervious: 15%
Port Resources, South Portland
Gorham Road, South Portland 2014 Impervious cover treated: 2 + 5.7 acres
Effective impervious: 15%
Maine Mall Road, South Portland 2014 Impervious cover treated: 8.4 acres
Effective impervious: 14%
Main Stem
Sable Oaks Golf Course
Unhappy Bugs
Watershed Area: 1418 acres
Initial IC: 19% Effective IC: 14%
100 Foden Road, South Portland 2014: Stream restoration and habitat enhancement
2014 In-situ Assessment If we build it, will they come??
Colonel Westbrook Business Park
Maine Mall
Jetport
Sable Oaks Golf Course
18% 14%
55% 52%
42% 33%
19% 14%
Impervious Cover
“This is very exciting. Long Creek should be very proud. You are dong pioneering work. It’s an amazing process to get a group together so you can see the complexities. It’s exciting to be part of that. There’s lots of uncertainty, but this work can only have a positive impact.”
- Member of the Long Creek Expert Review Panel
