1+
2+ EPA STORM WATER MANAGEMENT MODEL - VERSION 5.2 (Build 5.2.4)
3+ PYSWMM TOOLKIT API - VERSION v1.0 (2025-12-04)
4+ ------------------------------------------------------------
5+
6+
7+ *************
8+ Element Count
9+ *************
10+ Number of rain gages ...... 1
11+ Number of subcatchments ... 3
12+ Number of nodes ........... 4
13+ Number of links ........... 3
14+ Number of pollutants ...... 0
15+ Number of land uses ....... 0
16+
17+
18+ ****************
19+ Raingage Summary
20+ ****************
21+ Data Recording
22+ Name Data Source Type Interval
23+ ------------------------------------------------------------------------
24+ SCS_24h_Type_I_1in SCS_24h_Type_I_1in INTENSITY 15 min.
25+
26+
27+ ********************
28+ Subcatchment Summary
29+ ********************
30+ Name Area Width %Imperv %Slope Rain Gage Outlet
31+ -----------------------------------------------------------------------------------------------------------
32+ S1 1.00 500.00 100.00 0.5000 SCS_24h_Type_I_1in J1
33+ S2 2.00 500.00 100.00 0.5000 SCS_24h_Type_I_1in J2
34+ S3 3.00 500.00 100.00 0.5000 SCS_24h_Type_I_1in J3
35+
36+
37+ ************
38+ Node Summary
39+ ************
40+ Invert Max. Ponded External
41+ Name Type Elev. Depth Area Inflow
42+ -------------------------------------------------------------------------------
43+ J1 JUNCTION 20.73 15.00 0.0 Yes
44+ J3 JUNCTION 6.55 15.00 0.0 Yes
45+ J4 OUTFALL 0.00 0.00 0.0
46+ J2 STORAGE 13.39 15.00 0.0 Yes
47+
48+
49+ ************
50+ Link Summary
51+ ************
52+ Name From Node To Node Type Length %Slope Roughness
53+ ---------------------------------------------------------------------------------------------
54+ C1:C2 J1 J2 CONDUIT 244.6 3.0002 0.0100
55+ C2 J2 J3 IDEAL PUMP
56+ C3 J3 J4 WEIR
57+
58+
59+ *********************
60+ Cross Section Summary
61+ *********************
62+ Full Full Hyd. Max. No. of Full
63+ Conduit Shape Depth Area Rad. Width Barrels Flow
64+ ---------------------------------------------------------------------------------------
65+ C1:C2 CIRCULAR 1.00 0.79 0.25 1.00 1 8.02
66+
67+
68+ ****************
69+ Analysis Options
70+ ****************
71+ Flow Units ............... CFS
72+ Process Models:
73+ Rainfall/Runoff ........ YES
74+ RDII ................... NO
75+ Snowmelt ............... NO
76+ Groundwater ............ NO
77+ Flow Routing ........... YES
78+ Ponding Allowed ........ NO
79+ Water Quality .......... NO
80+ Infiltration Method ...... HORTON
81+ Flow Routing Method ...... DYNWAVE
82+ Surcharge Method ......... EXTRAN
83+ Starting Date ............ 11/01/2015 14:00:00
84+ Ending Date .............. 11/04/2015 00:00:00
85+ Antecedent Dry Days ...... 0.0
86+ Report Time Step ......... 00:01:00
87+ Wet Time Step ............ 00:05:00
88+ Dry Time Step ............ 00:05:00
89+ Routing Time Step ........ 1.00 sec
90+ Variable Time Step ....... YES
91+ Maximum Trials ........... 8
92+ Number of Threads ........ 1
93+ Head Tolerance ........... 0.005000 ft
94+
95+
96+ *********************
97+ Control Actions Taken
98+ *********************
99+
100+
101+ ************************** Volume Depth
102+ Runoff Quantity Continuity acre-feet inches
103+ ************************** --------- -------
104+ Total Precipitation ...... 0.500 1.000
105+ Evaporation Loss ......... 0.000 0.000
106+ Infiltration Loss ........ 0.000 0.000
107+ Surface Runoff ........... 0.482 0.964
108+ Final Storage ............ 0.019 0.038
109+ Continuity Error (%) ..... -0.116
110+
111+
112+ ************************** Volume Volume
113+ Flow Routing Continuity acre-feet 10^6 gal
114+ ************************** --------- ---------
115+ Dry Weather Inflow ....... 38.346 12.496
116+ Wet Weather Inflow ....... 0.482 0.157
117+ Groundwater Inflow ....... 0.000 0.000
118+ RDII Inflow .............. 0.000 0.000
119+ External Inflow .......... 14.380 4.686
120+ External Outflow ......... 44.585 14.529
121+ Flooding Loss ............ 8.619 2.809
122+ Evaporation Loss ......... 0.000 0.000
123+ Exfiltration Loss ........ 0.000 0.000
124+ Initial Stored Volume .... 0.000 0.000
125+ Final Stored Volume ...... 0.002 0.001
126+ Continuity Error (%) ..... 0.001
127+
128+
129+ ***************************
130+ Time-Step Critical Elements
131+ ***************************
132+ None
133+
134+
135+ ********************************
136+ Highest Flow Instability Indexes
137+ ********************************
138+ All links are stable.
139+
140+
141+ *********************************
142+ Most Frequent Nonconverging Nodes
143+ *********************************
144+ Convergence obtained at all time steps.
145+
146+
147+ *************************
148+ Routing Time Step Summary
149+ *************************
150+ Minimum Time Step : 0.50 sec
151+ Average Time Step : 1.00 sec
152+ Maximum Time Step : 1.00 sec
153+ % of Time in Steady State : 0.00
154+ Average Iterations per Step : 2.00
155+ % of Steps Not Converging : 0.00
156+ Time Step Frequencies :
157+ 1.000 - 0.871 sec : 100.00 %
158+ 0.871 - 0.758 sec : 0.00 %
159+ 0.758 - 0.660 sec : 0.00 %
160+ 0.660 - 0.574 sec : 0.00 %
161+ 0.574 - 0.500 sec : 0.00 %
162+
163+
164+ ***************************
165+ Subcatchment Runoff Summary
166+ ***************************
167+
168+ ------------------------------------------------------------------------------------------------------------------------------
169+ Total Total Total Total Imperv Perv Total Total Peak Runoff
170+ Precip Runon Evap Infil Runoff Runoff Runoff Runoff Runoff Coeff
171+ Subcatchment in in in in in in in 10^6 gal CFS
172+ ------------------------------------------------------------------------------------------------------------------------------
173+ S1 1.00 0.00 0.00 0.00 0.96 0.00 0.96 0.03 0.61 0.964
174+ S2 1.00 0.00 0.00 0.00 0.96 0.00 0.96 0.05 1.19 0.964
175+ S3 1.00 0.00 0.00 0.00 0.96 0.00 0.96 0.08 1.71 0.963
176+
177+
178+ ******************
179+ Node Depth Summary
180+ ******************
181+
182+ ---------------------------------------------------------------------------------
183+ Average Maximum Maximum Time of Max Reported
184+ Depth Depth HGL Occurrence Max Depth
185+ Node Type Feet Feet Feet days hr:min Feet
186+ ---------------------------------------------------------------------------------
187+ J1 JUNCTION 15.00 15.00 35.73 0 00:00 15.00
188+ J3 JUNCTION 1.98 2.37 8.91 0 10:00 2.37
189+ J4 OUTFALL 0.00 0.00 0.00 0 00:00 0.00
190+ J2 STORAGE 0.00 0.00 13.39 0 00:00 0.00
191+
192+
193+ *******************
194+ Node Inflow Summary
195+ *******************
196+
197+ -------------------------------------------------------------------------------------------------
198+ Maximum Maximum Lateral Total Flow
199+ Lateral Total Time of Max Inflow Inflow Balance
200+ Inflow Inflow Occurrence Volume Volume Error
201+ Node Type CFS CFS days hr:min 10^6 gal 10^6 gal Percent
202+ -------------------------------------------------------------------------------------------------
203+ J1 JUNCTION 9.61 9.61 0 10:00 14.1 14.1 0.005
204+ J3 JUNCTION 2.71 12.12 0 10:00 1.64 14.5 0.001
205+ J4 OUTFALL 0.00 12.12 0 10:00 0 14.5 0.000
206+ J2 STORAGE 2.19 9.41 0 10:00 1.61 12.9 0.000
207+
208+
209+ **********************
210+ Node Surcharge Summary
211+ **********************
212+
213+ Surcharging occurs when water rises above the top of the highest conduit.
214+ ---------------------------------------------------------------------
215+ Max. Height Min. Depth
216+ Hours Above Crown Below Rim
217+ Node Type Surcharged Feet Feet
218+ ---------------------------------------------------------------------
219+ J1 JUNCTION 58.00 14.000 0.000
220+
221+
222+ *********************
223+ Node Flooding Summary
224+ *********************
225+
226+ Flooding refers to all water that overflows a node, whether it ponds or not.
227+ --------------------------------------------------------------------------
228+ Total Maximum
229+ Maximum Time of Max Flood Ponded
230+ Hours Rate Occurrence Volume Depth
231+ Node Flooded CFS days hr:min 10^6 gal Feet
232+ --------------------------------------------------------------------------
233+ J1 58.00 4.01 0 00:00 2.808 0.000
234+
235+
236+ **********************
237+ Storage Volume Summary
238+ **********************
239+
240+ ------------------------------------------------------------------------------------------------
241+ Average Avg Evap Exfil Maximum Max Time of Max Maximum
242+ Volume Pcnt Pcnt Pcnt Volume Pcnt Occurrence Outflow
243+ Storage Unit 1000 ft³ Full Loss Loss 1000 ft³ Full days hr:min CFS
244+ ------------------------------------------------------------------------------------------------
245+ J2 0.001 0.0 0.0 0.0 0.001 0.0 0 00:00 9.41
246+
247+
248+ ***********************
249+ Outfall Loading Summary
250+ ***********************
251+
252+ -----------------------------------------------------------
253+ Flow Avg Max Total
254+ Freq Flow Flow Volume
255+ Outfall Node Pcnt CFS CFS 10^6 gal
256+ -----------------------------------------------------------
257+ J4 100.00 9.30 12.12 14.528
258+ -----------------------------------------------------------
259+ System 100.00 9.30 12.12 14.528
260+
261+
262+ ********************
263+ Link Flow Summary
264+ ********************
265+
266+ -----------------------------------------------------------------------------
267+ Maximum Time of Max Maximum Max/ Max/
268+ |Flow| Occurrence |Veloc| Full Full
269+ Link Type CFS days hr:min ft/sec Flow Depth
270+ -----------------------------------------------------------------------------
271+ C1:C2 CONDUIT 7.22 0 00:01 18.36 0.90 0.50
272+ C2 PUMP 9.41 0 10:00
273+ C3 WEIR 12.12 0 10:00 0.47
274+
275+
276+ ***************************
277+ Flow Classification Summary
278+ ***************************
279+
280+ -------------------------------------------------------------------------------------
281+ Adjusted ---------- Fraction of Time in Flow Class ----------
282+ /Actual Up Down Sub Sup Up Down Norm Inlet
283+ Conduit Length Dry Dry Dry Crit Crit Crit Crit Ltd Ctrl
284+ -------------------------------------------------------------------------------------
285+ C1:C2 1.00 0.00 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00
286+
287+
288+ *************************
289+ Conduit Surcharge Summary
290+ *************************
291+
292+ ----------------------------------------------------------------------------
293+ Hours Hours
294+ --------- Hours Full -------- Above Full Capacity
295+ Conduit Both Ends Upstream Dnstream Normal Flow Limited
296+ ----------------------------------------------------------------------------
297+ C1:C2 0.01 58.00 0.01 0.01 0.01
298+
299+
300+ ***************
301+ Pumping Summary
302+ ***************
303+
304+ ---------------------------------------------------------------------------------------------------------
305+ Min Avg Max Total Power % Time Off
306+ Percent Number of Flow Flow Flow Volume Usage Pump Curve
307+ Pump Utilized Start-Ups CFS CFS CFS 10^6 gal Kw-hr Low High
308+ ---------------------------------------------------------------------------------------------------------
309+ C2 100.00 1 0.00 8.25 9.41 12.888 196.88 0.0 0.0
310+
311+
312+ Analysis begun on: Thu Feb 12 14:58:28 2026
313+ Analysis ended on: Thu Feb 12 14:58:29 2026
314+ Total elapsed time: 00:00:01
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