Holistic Watershed Management for Existing and Future Land
Use Development Activities: Opportunities for Action for Local
Decision Makers: PHASE 2 - FDC APPLICATION MODELING
(FDC2A PROJECT)
SUPPORT FOR SOUTHEAST NEW ENGLAND PROGRAM (SNEP)
COMMUNICATIONS STRATEGY AND TECHNICAL ASSISTANCE
Final Report Appendix C
Runoff Duration Curves for HRU-Scale SCM Modeling
Scenarios
September 30,2022
Prepared for:
U.S. EPA Region 1
Prepared by:
Paradigm Environmental Great Lakes Environmental Center
GleC
PARADIGM
ENVIRONMENTAL
Blanket Purchase Agreement: BPA-68HE0118A0001-0003
Requisition Number: PR-R1-20-00322
Order: 68HE0121F0052
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FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
1
0.1
0.01
0.001
15%
\0 \0 \0 \0 \p vO sp \p s.O S.O sp
OS o\ ON OS 0s" 0s- 0s- o\ ON 0s* ON
lti o lo o in o lo o to o lo
m>^-^fLnLnuDUDr-r~.oooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
Figure 1. Runoff duration curve for High control level infiltration basin on HSG A with an infiltration rate of 8.27 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
0.001
«vO \0 \0 \P \0 S.O \0 \0 \0 vO SP \u
OS OS OS OS OS OS oS OS oS OS OS OS
LOOLnoLOOLnOLOOLno
rHrMrsimm^t^-LOLnaDaDrv
Sp Np \P \P Np nP
os os os os os os
LD O LO O LO O
oo oo cn o-i o
Flow-Exceedance Percentiles (Wet Days Only)
Figure 2. Runoff duration curve for MS4 control level infiltration basin on HSG A with an infiltration rate of 8.27 in/hr.
2
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
0.001
vO \0 VO \P \0 \0 \0 \U \0 \U \0 sp \0 \0 \0
ON ON ON ON ON 0s- 0s- 0s" 0s-. o\ ON OS ON ON ON
o lo o lo o lt) o U") o lo o in o lo o
vHTHrMr\inom>^-^fLnLnuDUDr-
s? s? s? s?
LO o LTI o
oo
Flow-Exceedance Percentiles (Wet Days Only)
Figure 3. Runoff duration curve for High control level infiltration basin on HSG A with an infiltration rate of 2.41 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
in
<4-
U
O
c
3
cc
o
¦M
to
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 4. Runoff duration curve for MS4 control level infiltration basin on HSG A with an infiltration rate of 2.41 in/hr.
3
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FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
1
0.1
0.01
0.001
15%
\0 \0 \0 \0 \p vO sp \p s.O sp sp
OS OS ON OS 0s" 0s- 0s- o\ ON 0s* ON
lo o lo o in o lo o to o lo
m>^-^fLnLnuDUDr-r~.oooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
Figure 5. Runoff duration curve for High control level infiltration basin on HSG B with an infiltration rate of 1.02 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
0.001
3? 5? S?
O LO O
Sp vp vp \p sp Sp Sp Sp Sp Sp Sp
ON 0s- OS OS OS OS OS CDS OS OS OS
LD O LO O LD O LO O LO O LO
m^t^t-LOLOLOior^r--cooo
Flow-Exceedance Percentiles (Wet Days Only)
Figure 6. Runoff duration curve for MS4 control level infiltration basin on HSG B with an infiltration rate of 1.02 in/hr.
4
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
Figure 7. Runoff duration curve for High control level infiltration basin on HSG B with an infiltration rate of 0.52 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
sp sP NP \° \0 vP -sp n. O \0 \0 vO
0s-. 0\ q\ o\ qS. 0s- 0s*
LnOLnOLnOLnOLnom
ro^f^-LnLnixjiorvr^oooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
0.001
1
0.1
0.01
0.001
15%
Flow-Exceedance Percentiles (Wet Days Only)
Figure 8. Runoff duration curve for MS4 control level infiltration basin on HSG B with an infiltration rate of 0.52 in/hr.
5
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FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
Flow-Exceedance Percentiles (Wet Days Only)
Figure 9. Runoff duration curve for High control level infiltration basin on HSG C with an infiltration rate of 0.27 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
in
<4-
U
O
c
3
cc
o
¦M
to
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 10. Runoff duration curve for MS4 control level infiltration basin on HSG C with an infiltration rate of 0.27 in/hr.
6
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
1
0.001
ss s? ss
o ui o
Flow-Exceedance Percentiles (Wet Days Only)
Figure 11. Runoff duration curve for High control level infiltration basin on HSG C with an infiltration rate of 0.17 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
1
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
0.001
Ss? 5? 5?
o lo o
Figure 12. Runoff duration curve for MS4 control level infiltration basin on HSG C with an infiltration rate of 0.17 in/hr.
7
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FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 13. Runoff duration curve for High control level infiltration basin on HSG D with an infiltration rate of 0.1 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
in
<4-
U
O
c
3
cc
o
¦M
to
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 14. Runoff duration curve for MS4 control level infiltration basin on HSG D with an infiltration rate of 0.1 in/hr.
8
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
1
to
H-
u
O
c
3
DC
O
+->
0.1
0.01
0.001
0.001
10%
15%
vO \0 \o \0 \0 \0 \0 \0 \0 \U N.O \P
o\ o\ 0s- 0s- 0s- 0s" 0s-- on 0s* o\
O l0 O LD O LO O LH O LO O LT)
THrHrMrNjmm^-^LnLn
LO O
r*. oo
LO
00
\p
0s-
o
CD
VP
0s
LD
cn
SP
ds
O
O
Flow-Exceedance Percentiles (Wet Days Only)
Figure 15. Runoff duration curve for High control level infiltration basin on HSG D with an infiltration rate of 0.05 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
iouDi--f--oooacriaio
Flow-Exceedance Percentiles (Wet Days Only)
Figure 16. Runoff duration curve for MS4 control level infiltration basin on HSG D with an infiltration rate of 0.05 in/hr.
9
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
<4-
u
3=
o
c
3
a:
E
o
4->
«/)
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 17. Runoff duration curve for High control level infiltration trench on HSG A with an infiltration rate of 8.27
in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
i/i
<+-
u
O
c
3
cc
o
4->
to
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 18. Runoff duration curve for MS4 control level infiltration trench on HSG A with an infiltration rate of 8.27
in/hr.
10
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
to
H-
u
O
c
3
DC
O
+->
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 19. Runoff duration curve for High control level infiltration trench on HSG A with an infiltration rate of 2.41
in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
*/)
•4-
U
O
c
3
cc
o
+->
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 20. Runoff duration curve for MS4 control level infiltration trench on HSG A with an infiltration rate of 2.41
in/hr.
11
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
to
H-
u
O 0.1
c
3
DC
O
& 0.01
1
0.1
0.01
0.001
15%
\0 \0 \0 \0 \p vO sp \p s.O sp sp
OS o\ ON OS 0s" 0s- 0s- o\ ON 0s* ON
lti o lo o in o lo o to o lo
m>^-^fLnLnuDUDr-r~.oooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
Figure 21. Runoff duration curve for High control level infiltration trench on HSG B with an infiltration rate of 1.02
in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
Figure 22, Runoff duration curve for MS4 control level infiltration trench on HSG B with an infiltration rate of 1.02
in/hr.
Sp -sp \0 vp \p \P sp sP Sp Np sP
o\ o\ 0s- os o\ 0s- os os os os
LD O LO O Lf) O LO O LO O LO
m^-^tmLnuDUDr^-r^ooco
Flow-Exceedance Percentiles (Wet Days Only)
0.001
12
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FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs
Pre-Dev
0.001
Flow-Exceedance Percentiles (Wet Days Only)
1
0.1
0.01
0.001
15%
Figure 23. Runoff duration curve for High control level infiltration trench on HSG B with an infiltration rate of 0.52
in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
0.01
Figure 24. Runoff duration curve for MS4 control level infiltration trench on HSG B with an infiltration rate of 0.52
in/hr.
Sp \0 sp Sp Sp NP Sp Sp \0 vp sp
ON OS ON 0s- 0s- 0s- ON ON 0s- ON ON
LT) O LO O LT) O LTJ O U*1 O LH
m-^-^-LnLnu3UDr-r~~oooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
13
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
to
H-
u
O
c
3
DC
O
+->
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 25. Runoff duration curve for High control level infiltration trench on HSG C with an infiltration rate of 0,27
in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
*/)
•4-
U
O
c
3
cc
o
+->
0.1
0.01
0.001
Flow-Exceedance Percentiles (Wet Days Only)
Figure 26. Runoff duration curve for MS4 control level infiltration trench on HSG C with an infiltration rate of 0.27
in/hr.
14
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
1
0.001
ss s? ss
o ui o
Flow-Exceedance Percentiles (Wet Days Only)
Figure 27. Runoff duration curve for High control level infiltration trench on HSG C with an infiltration rate of 0.17
in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
0.001
3? 3? SS
O O
vp \0 \p \0 \p \p \p vp \p \p \p
0"N crs 0s- 0s" OS ON ON OS OS
LnOLnomOLnOLnoLn
m<3-<3-LnLnuDr-»r»ooco
Flow-Exceedance Percentiles (Wet Days Only)
Figure 28. Runoff duration curve for MS4 control level infiltration trench on HSG C with an infiltration rate of 0.17
in/hr.
15
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
to
H-
u
O 0.1
c
3
DC
O
& 0.01
0.001
ss ss s?
O LO O
vO \0 \0 \0 \p vO sp \p sp sp sp
QS oN ON OS 0s" 0s- 0s- o\ o\ 0s* ON
lo o lo o in o lo o to o lo
m>^-^fLnLnuDUDr-r~.oooo
Flow-Exceedance Percentiles (Wet Days Only)
Figure 29. Runoff duration curve for High control level infiltration trench on HSG D with an infiltration rate of 0.1 in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
0.01
Figure 30. Runoff duration curve for MS4 control level infiltration trench on HSG D with an infiltration rate of 0,1 in/hr.
Sp vp vp \p sp Sp Sp Sp Sp Sp Sp
ON 0s- ON 0s- ON ON ON ON ON OS OS
LO O LO O LO O LO O LO O L0
m^t^t-LOLOLOior^r--cooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
16
-------
FDC 2A Project
Appendix C
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
\0 N.O \0 \0 vP \0 yO \P \0 vO \p
OS (js OS o\ o> OS o\ ON On OS
LOOLnoLnOLnoLOOLn
m^t^j-LnLnuD^r^r^oooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
Figure 31. Runoff duration curve for High control level infiltration trench on HSG D with an infiltration rate of 0.05
in/hr.
Post-Dev, no BMPs Post-Dev, with BMPs Pre-Dev
sp vO \p \0 vO -sp vO vO vO \p \p
o\ oS OS OS OS OS OS OS OS OS OS
LnotnomOLnOLnOLn
m^-<3-Lnu"iuDU3r-.r-.oooo
Flow-Exceedance Percentiles (Wet Days Only)
0.001
Figure 32. Runoff duration curve for MS4 control level infiltration trench on HSG D with an infiltration rate of 0.05
in/hr.
17
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