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St. Louis River AOC Dan Breneman, MPCA, Duluth, MN AOC Conference | Cleveland, OH Thursday, Session C-2, 12 September 2019 Habitat Restoration Effectiveness
St. Louis River AOCDan Breneman, MPCA, Duluth, MN
AOC Conference | Cleveland, OH
Thursday, Session C-2, 12 September 2019
Habitat Restoration Effectiveness
https://www.pca.state.mn.us/water/st-louis-river-area-concern Courtesy Jeff Williams
N
Take Home Messagefundamentals
1. science-based
2. partnerships
3. “….….within reason…....”
9/19/2019 3
Image description
St. Louis River Area of Concern Remediation and Restoration Sites
Scanlon Reservoir 5.20 Knowlton Creek
Stream Restoration 9.07
General Mills Superior Elevator 5.23
Thomson Reservoir 5.19
Munger Landing 5.09 & 7.06
0 2 ----====Miles
D
D -
1:110,000
Chambers Grove 9.10
Vvild Rice Planting
9.21
U.S. Steel Superfund Site 7.04, 8.03, & 9.01
Remediation or Restoration complete, monitoring undeiway or complete
Remedial action needed
Restoration site undeiway or planned
Radio Tower Bay 903
Additional characterization and/or assessment needed to determine if remedial actions are necessary for BUI removal. Projects 5.15, 5.16, and 9.16 concluded that additional action is not needed to address BUls (areas not shown on map)
9/30/18
WDNR
w@" Lake s
Northland Pier I AGP Slip 5.07 Superior
Azcon Corp / Duluth Seaway Port Authority ::.......--~ rt-- - - Garfield Slip C
5.08
Duluth Seaway Port Authority Slip D / Clure Public
5.17
Superior Ore Docks 5.25
Piping Plover Nesting Habitat
Restoration 2.05
Little Balsam
Creek Fish Passage
9.17
Before and Afterdefining restoration effectiveness
1. Measure existing condition
2. Establish targets (compare alternatives)
3. Monitor Progress
(benefits/cost ratio)
9/19/2019 5
Minnesota GuidanceData Collection and Design-basis Approach
St. Louis River Area of Concern
Quality Assurance Program Plan for Minnesota
Based Projects
January 2015
SL Louil Rivet A,aaofConcwn
I ' ,o ,,,,,,,,__..,
Minnesota Pollution Control Agency
St. Louis Riw.r Area of conum Quality >.uuronc~ Progrom Pion
Appendix 1
Managing In-\1/ater Placement of Dredge Material
for Habitat Restoration Sites in the
St. Louis River Area of Concern
Minnesota Pollution Control Agency
Appendix 2:
A Biological Chemical and Physical Approach to Aquatic Habitat Restoration Decisions in the St. Louis ru, er Area of Concern
Defining Aquatic Ecosystem Resto1·ation Ta1·gets by Evaluating Site Conditions
:\finnesota P ollution Control Agency
St. Louis River Estuary Data• Sediment Chemistry
pore water toxicity, bioassays, biochemistry
• Water Chemistry
• Benthic macroinvertebrates
•
• Aquatic vegetation
Each with > 2,000 stations
• Physical Measures
a. Hydrologic connectivity
b. Riparian/littoral connectivity
c. Habitat morphology
d. Bathymetry/REI
e. Substrate quality
f. Larval fish/macrophytes
g. ESM output
+ ♦
• ♦
♦
•
•• + ♦
•
Assess Current
Condition
9/19/2019 8
Partnership Support
9/19/2019 9
Journal ofG reat Lakes Research 39 (20
Contents 1·
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ources Resea , .,,..
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rch lnsntute 5013
ects Research Labo
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rotor
,ry, Duluth MN ' 55811, USA
Journal of Great 1.ak R es esearch 42 (2016) 28-38
Contents lists available at Scienceo· irect
Journal of Great L l a <es Research
~LSE\t ER journal homep age: www.elsev · ,er.com/I oc ate/jglr
~ LR
~ater quality in the St . .
Historical and currpnt ~:~~~:. River Area of Conrprn
--------------
Bn.: Col Ler
• us.i Dulutli,
b SRA ~
' Gmd
Journa\ of Great Lakes Research
Volume 43, Issue 1, February 2017. Pages 108- 120
A depth-adjusted ambient distribution approach for setting
numeric removal targets for a Great Lakes Area of concern
beneficial use impairment Degraded benthos
'.,..~
b
d
- W ill M. Bartsch , Anett S. Tre!Jitz•, v a1e1ie J. s,ady", Jonathon J. Launspach
Journal or Great l.ak es Research xxx (xxxx) xxx
Contents lists available at S . c,enceDirect
<es Research
Journal of Great Lal
JGLR-01493· N . o. of ages: 12· 4C-, . 7,
ELSEVIER journal homepa . ge. www.elsevi er.com /Io ca te /j 9 Ir
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Goals, beneficiaries . .
Lakes A ' and mdicators of
reas of Concern and coastal co::erf~~nt revitalization in Great
• ..t; * Kathi
unrties
een C. Williams, Joel C H ff '"
. o man, David W B .
•=orch and Deve/opm . . olgnen
enr, Nanonal Health and £ . nvironmentol £ffects Research Labo racory, Mid-Continent £cola= o· .. ,,_, IVISIOTI, 6201
,tent
of
Pre-construction Environmental Assessment
9/19/2019 10
i •
I i -t. I i: :,'
Recommended Management Areas
Deviation II percentage of SQT II In 0-50 cm lay■r
40% 30% 20% 10% 0% -10% -20% -30% -40%
D Area of Sediment Quality ConslderabOn at Surface
~ - - 1 Area wnere Neares1 Stauon L - - Exceeds SOT II 11 Subsurface
0 300 m
0 0
0 0
• <3
• 3-4
4-5
5-6
• 6-7
• >7
0 0
0 0 0
0 0 0 0
0 0
0 0 0 0
0 0
Pre-construction Environmental Assessment
9/19/2019 11
Be
nth
ic M
acro
inve
rte
bra
teTr
i-M
etri
c In
dex
1.2 -
0.9 -
2 0.6 -1- - -I
en
0.3 -
a.a-
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•
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------ -- ------ ----- ------ ------- ~- ------- --
Ref PL RTE Ill
Spirit Lake Zone
•
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1.2 -
0.9 -
0.6 -
0.3 -
a.a-
•
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Ref
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I ♦ ♦ ♦ • • • • • • • •
••• • •• •••• • •• -- · ♦ • • • • • • • • • • • ♦ •
•• ♦• • • • •
KB GP 0~
St. Louis Bay Zone
• ••• •••• • •
21st
alternatives analysis
Incorporate metrics, prioritize
locations
9/19/2019 13
Surface-area Weighted Average of Condition
Ye!
p111,on to SLRLCI rer.re nce illl perctn
~ l)p ica lo · re':reoe sites)
9/19/2019 14
Preferred Alternative and Construction Results
long-term
9/19/2019 15
monitoring and
maintenance
BUI removal
Post-construction
depth-adjusted SWAc sampling
plan
ST. LOUIS RIVER AOC 21st Ave West (SAA 36 , 38, 41 , 47) Macrophyte Sampling Plan
• Macrophyte Sampling Locations
Mean Water Depth per Sample Area
~ 2-3m
0
21st Ave West where depth > 3m
0.5
km
St. Louis River AOC….. Summary restoration effectiveness (project performance)
• Site-level assessments (physical habitat, sediment chemistry, biological metrics)
• Partnerships
• Before and after collections compared to an established target
CLEAN
Great Lakes RESTORATION
WATER m il MINNESOTA POLLUTION CONTROL AGENCY
LAND & LEGACY m il DEPARTMENT OF
NATURAL RESOURCES M OM T
CL ~ ST. LOWI RIVER M IN ESOTA ALLIANCE LA'D TR llST
