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Posted on: June 2, 2022

Notice of Intent - NOI Submittal to IDEM on July 5th, 2022

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.


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