Montour Run Watershed Assessment & Implementation Plan

5-B Bioretention Swales,
Buffers and Stormwater
Pond Retrofit
FINDLAY
0 0.28 0.55 1.1
Miles
2
2
Modeled Sediment (lbs/year)
Priority 2
Figure 3.4.5-Priority <= 1 08 recommendation sites for Subwatershed
1 - Bank Stabilization
Area 5-Meeks, Trout and Salamander’s Head. Sites
2 - Debris Jam Removal
based on pollution <= 323accumulation modeling (Sediment shown in lb/year) and accessibility.
3 - Homeowner Outreach
<= 574
4 - Improve BMP
Priority 1
<= 969
5 - Municipality Maintenance
credit on fee) and on-site implementation of post-construction
stormwater best management practices. As in 7 - Further 6B: Assessment Implement Green Street Program in Coraopolis. Plan-
<= 1 291
6 - Riparian
Priority
Buffer
2
Improvement
<= 21 52
2
North Fayette Township, this fee and credit system could ning can begin to develop partnerships 2 with the Coraopolis
Municipal Authority to manage stormwater 2 1 on streets
be leveraged for <= the 3838 Coraopolis region, by encouraging
2
landowners to <= remove 91 46 stormwater from the system with via a Greenstreet construction program. The stormwater
rain barrels or rain gardens, when possible.
could be directed to a treatment wetland system built in
6A: Restore streambank and wetlands with trail system in
the lower Montour Run watershed before it reaches the
Ohio River. Currently, this 54+ acre parcel is owned by the
Redevelopment 5-B Bioretention Authority Swales, of Allegheny County. Streambanks
Buffers within and the Stormwater parcel boundaries are severely eroded
Pond Retrofit
and inset. Restoration of the stream course within this
parcel could be configured to include treatment wetlands
for stormwater inputs and create more opportunity for
interaction with stream and floodplain. The Montour
Trail, which currently ends south of this point, can 2be
2
extended through this parcel, and the site could also
2 1
increase opportunities for wildlife habitat. This wetland
2
plan is explored in more detail as part of the Coraopolis
Green Streets Conceptual Model plan. Projected costs are
$400,000.
2
MOON
2
2
2
1
NORTH FAYETTE
Priority 2
CORAOPOLIS
5-A Bank Stabilization Priority 3
MOON
1
FINDLAY
4
0 0.28 0.55 1.1
Miles
2
2
MOON
2
2
2
5-D Riparian Restoration
and Bank Stabilization
6
Modeled Sediment (lbs/year)
<= 1 08
<= 323
<= 574
<= 969
<= 1 291
<= 21 52
<= 3838
<= 91 46
2
1
NORTH FAYETTE
0 0.28 0.55 1.1
Miles
NEVILLE
KENNEDY
Esri, HERE
Modeled Sediment (lbs/year)
<= 1 08
<= 323
<= 574
<= 969
<= 1 291
<= 21 52
<= 3838
<= 91 46
ROBINSON
the large parcel owned by the MOON Redevelopment Authority
of Allegheny County at the bottom of the river. This
Green Streets Plan is explored in more detail Priority as part 3
CORAOPOLIS
of the
Coraopolis Priority 3 Green Streets Conceptual Model plan. This is
an infrastructure-heavy 2 plan, that could be phased in over
time, with a total projected 2 cost of $3,054,000.
5-A Bank Stabilization
6C: Stormwater detention at the bottom of Ridge Avenue.
This site has been identified by the Municipality as
a location that experiences flooding. The bottom section
of Ridge Avenue, where it intersects with Route 51, has
been closed to traffic. This is an opportunity to de-pave
this FINDLAY section of street and install stormwater detention
1
5-D Riparian Restoration
structures to manage flooding. This proposal and Bank is detailed Stabilization
as part of the Coraopolis Green 4 Streets Conceptual Model
FINDLAY
plan, with an estimated cost of $91,800.
0 0.17 0.35 0.7 1.05 1.4
Miles
1
6
4
1 - Bank Stabilization
2 - Debris Jam Removal
3 - Homeowner Outreach
4 - Improve BMP
5 - Municipality Maintenance
6 - Riparian Buffer Improvement
7 - Further Assessment
NORTH FAYETTE
Priority 4
1
CORAOPOLIS
NORTH FAYETTE
0 0.130.25 0.5 0.75
0 0.17 0.35 0.7 1.05 1.4
56 | Future Goals & Recommendations Montour
0 0.17 0.35
Run Watershed
0.7
Assessment
1.05 1.4
1,5
& Implementation Plan | 57
6
Miles NORTH FAYETTE
Miles NORTH Esri, FAYETTE HERE
2
5-C Bioswales Between
Parking and Stream
KENNEDY
Esri, HERE
Esri, HERE
1 - Bank Stabilization
6-A Restored GLENFIELD Streambank / Riparian Zone with
Priority 3
6-B Coraopolis Green 2 - Streets Debris Program Jam Removal Stormwater Treatment Wetlands KILBUCK
2
3 - Homeowner Outreach
CORAOPOLIS
2
4 - Improve BMP
5 - Municipality Maintenance
NEVILLE 6-C Stepped
Stormwater Detention
6 - Riparian Buffer Improvement
7 - Further Assessment
Priority 1
by no means an all encompassing Esri, HERE list, but suggestions of
<= 323
CORAOPOLIS
<= 574
Modeled Sediment (lbs/
≤20
≤83
≤1 65
≤248
≤91 0
≤1178
≤1716
≤5272
Miles
1 - Bank Stabilization
2 - Debris NEVILLE Jam Removal
3 - Homeowner Outreach
4 - Improve BMP
5 - Municipality Maintenance
6 - Riparian Buffer Improvement
7 - Further Assessment
CORA
Priori
Figure 3.4.6-Priority 2 recommendation sites for Subwatershed Area 6-Lower Montour Run to Ohio River. Sites
CO
based on pollution 2
≤20 accumulation modeling (Sediment 1 - shown Bank Stabilization in lb/year) and accessibility.
Pri
2
2 - Debris Jam Removal
≤82 1
3 - Homeowner Outreach
≤1 65 2
1
KENNEDY
4 - Improve BMP
Priority 1
funding sources commonly sought for the types of projects
6D: Bioswale and ≤248 rain garden at the entrance to the 5 - Municipality Maintenance
Forest Grove Elementary School. Currently, two mown
4 outlined in this plan.
≤909
6 - Riparian Buffer Improvement Priority 4
sections of MOON lawn exist on either side of the entrance to 7 - Priority Further 2Assessment
≤1178
KENNEDY
Growing Greener Grants: Programs 2 potentially enacted
the school. These ≤1715 could be re-configured as a series of
2
as a result of this WIP would be eligible for grants from
4 bioswales Priority on 4grade and a rain garden to provide infiltration
and evaporation opportunities for stormwater runoff
2
1
2
≤5272
1
the Growing Greener Watershed Restoration and Protection
Program and the Abandoned Mine Drainage (AMD)
NEVILLE from the parking lots and roof areas.
Set-Aside program. Growing Greener helps to address
6
non- point source pollution ROBINSON throughout MOON Pennsylvania.
2 6E: Streambank and Riparian Improvements: The land
6
MOON
ROBINSON
The AMD Set-Aside Program utilizes funds from current
along either side of Montour run, including the Montour
2
mining operations to address issues GLENFIELD of abandone mine
Trail, has opportunity for bank stabilization efforts and
6-A Restored Streambank / Riparian Zone with KILBU
discharges.
coordinated work with homeowners and municipalities. Priority 3
Stormwater Treatment Wetlands
Work to further augment this buffer and stream bank,
2
EPA Section 319 Nonpoint Source Management Grants:
about 500 ft, could cost up to $100,000.
KENNEDY
MOON
Modeled Sediment (lbs/yr)
HAYSVILLE
6-D Forest Grove Elementary School
Green Infrastructure
0 0.23 0.45 0.9
NEVILLE
Miles
1 2
5
3,6 5
5 3
Resources
6-B Coraopolis Green Streets Program
Technical and Financial Assistance: This section provides
a brief outline of potential sources of funding to
implement project recommendations in the plan. This is
1
1,5
CORAOPOLIS
FINDLAY
0 0.28 0.55 1.1
MOON
2
2
1
NORTH FAYETTE
6-E Streambank and
Riparian Improvements
Modeled Sediment (lbs/year)
<= 1 08
<= 969
<= 1 291
<= 21 52
<= 3838
<= 91 46
Miles
The Nonpoint Source Pollution Management Program
(PA DEP and EPA funded) works to implement NEVILLE watershed-based
strategies throughout PA in order to mitigate
nonpoint pollution. A section of this program also
provides mini-grants for Conservation 6-C Districts Steppedand other
local partners to implement local awareness Stormwater of water Detention
quality issues and encourage local participation in solutions.
FINDLAY
2
KENNEDY
EMSWORTH
Esri, HERE
1
6
4
Priority 4
ROBINSON