Hammond Sanitary District 2019 Summary of CSO Dry Weather Overflows
Outfall # Outfall Name # Days Duration (Hrs) Volume
(MG)		 # Dry Weather Overflows Date of DWO Volume of DWO
(MG)		 Duration DWO
(hrs)
Comments
005 Kennedy North 75 182 183 2 02/03/19 0.33 0.4 Warmer temperatures resulting in accumulation of snow melting.
05/05/19 0.78 0.4 Continuation of wet weather event. Had 5.14 inches of rain in 9 days. Localized flooding and high flows entering sewer system.
006 Kennedy Ejector 51 181 365 2 05/05/19 0.19 2.3 Continuation of wet weather event. Had 5.14 inches of rain in 9 days. Localized flooding and high flows entering sewer system.
10/01/19 2.06 23.9 Continuation of wet weather event. Had 4.14 inches of rain in 4 days. Localized flooding and high flows entering sewer system.
007 Indianapolis 71 28 102 0        
008 Walnut 66 121 127 2 02/03/19 0.17 3.6 Warmer temperatures resulting in accumulation of snow melting.
10/01/19 0.06 0.1 Continuation of wet weather event. Had 4.14 inches of rain in 4 days. Localized flooding and high flows entering sewer system.
009 Tapper 2 2 1 0        
010 Jackson 52 31 99 0        
011 173rd & Forest 108 390 89 8 01/04/19 0.001 0.1 Extremely wet period. Continuation of rain event, 1.73" previous week.
02/03/19 0.21 0.3 Warmer temperatures resulting in accumulation of snow melting.
03/05/19 0.010 0.1 Malfunction in the SCADA system.
04/17/19 0.004 0.1 Over 1.66" of rain in the previous 3 days.
05/05/19 1.62 11.9 Continuation of wet weather event. Had 5.14 inches of rain in 9 days. Localized flooding and high flows entering sewer system.
05/06/19 0.45 14.1 Sewer system surcharge after large amounts of rain.
10/01/19 1.79 23.9 Continuation of wet weather event. Had 4.14 inches of rain in 4 days. Localized flooding and high flows entering sewer system.
11/03/19 0.32 5.0 Continuation of wet weather event. 3.77 inches of rain over 9 days.
012 Hohman /Munster 1 2 2 0        
014 Cal/Munster 53 46 210 0        
022 Columbia CSO Basin 14 193 256 0 05/04/19     DID NOT OVERFLOW. The flow meter malfunctioned as the water level in the basin was never high enough to discharge.