To comply with the IDEM MS4 General Permit, all Indiana MS4s must submit a document called the NOI, which describes their jurisdiction area and the intent to discharge storm water to the bodies of water in the state of Indiana. With the new permit released in December 2021, Indiana MS4s will be on the same 5-year permit cycle and complete all requirements within this permit to the maximum extent practicable.
Porter County MS4, located at 155 Indiana Avenue, Suite 311, Valparaiso, IN intends to discharge stormwater into the watersheds listed below and is submitting a Notice of Intent to notify the Indiana Department of Environmental Management of the MS4 entity's intent to comply with the requirements of the MS4 General Permit to discharge stormwater run-off.
OBJECTID | HUC 12 | HUC 12 NAME |
1 | 040400010602 | Dunes Creek |
2 | 040400010403 | Coffee Creek-East Arm Little Calumet River |
3 | 071200011009 | Cornell Ditch-Phillips Ditch |
4 | 071200011006 | Hannon Ditch-Crooked Creek |
5 | 040400010303 | Squirrel Creek-Salt Creek |
6 | 071200011002 | West Branch Crooked Creek |
7 | 071200011004 | Koselki Ditch-Crooked Creek |
8 | 40400010301 | Sagers Lake-Salt Creek |
9 | 040400010302 | Clark Ditch-Salt Creek |
10 | 071200011008 | Ahlgrim Ditch |
11 | 071200011007 | Sievers Creek-Cobb Ditch |
12 | 040400010603 | Calumet River-Frontal Lake Michigan |
13 | 071200010904 | Cook Ditch-Hodge Ditch |
14 | 071200011103 | Brown Levee Ditch-Kankakee River |
15 | 071200010807 | Rassmussen Ditch-Kankakee River |
16 | 071200010809 | Davis Ditch-Kankakee River |
17 | 040400010603 | Calumet River-Frontal Lake Michigan |
18 | 040400010402 | Kemper Ditch-East Arm Little Calumet River |
19 | 040400010401 | Reynolds Creek-East Arm Little Calumet River |
20 | 040400010509 | Willow Creek-Burns Ditch |
21 | 071200010808 | Cook Ditch |
22 | 071200010808 | Cook Ditch |
23 | 071200011010 | Cobb Creek-Kankakee River |
24 | 071200011302 | Fisher Pond-Stony Run |
25 | 071200011003 | Headwaters Crooked Creek |
26 | 040400010508 | Little Calumet River-Deep River |
27 | 071200011001 | Bloom Ditch |
28 | 040400010601 | Kintzele Ditch |
29 | 040400010603 | Calumet River-Frontal Lake Michigan |
30 | 040400010506 | Duck Creek |
31 | 040400010507 | Lake George-Deep River |
32 | 071200011005 | Reeves Ditch |
33 | 040400010504 | Deer Creek-Deep River |
34 | 071200011301 | East Branch Stony Run |
If you have any questions about this process, please contact the Department at 219-465-3530.