EPA · discharge permits by watershed
Subbasin 10050016
- 5Current permits
- 1States
- 1Watersheds
A subbasin is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Montana. Each permit is placed by the outfall EPA names as its representative discharge point.
This subbasin contains 1 watersheds, each with its own page of permits. The table below is a sample of the 5 current permits recorded here
By state
Watersheds inside this subbasin
The same permits, cut another way
The 5 permits whose outfall sits in this subbasin, grouped by one attribute at a time: the class of permit, the Clean Water Act program it was issued under, the type of coverage, and the size of the discharger. Each figure below counts the permits in that group.
By permit class
By program
By permit type
By major or minor
Other subbasins
- Subbasin 10040202 16
- Subbasin 10040203 4
- Subbasin 10040204 8
- Subbasin 10040205 7
- Subbasin 10050002 5
- Subbasin 10050004 60
- Subbasin 10050005 18
- Subbasin 10050006 5
- Subbasin 10050012 34
- Subbasin 10050014 15
- Subbasin 10060001 27
- Subbasin 10060002 41
- Subbasin 10060003 17
- Subbasin 10060004 3
- Subbasin 10060005 111
- Subbasin 10060006 35
- Subbasin 10070001 15
- Subbasin 10070002 78
- Subbasin 10070003 11
- Subbasin 10070004 334
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| HONRUD PIT | MTR107083 | OPHEIM | MT | Construction stormwater | Minor | LOWER MILK |
| MDT BRIDGE REPLACEMENT - MF PORCUPINE CK - 11 MI S OF OPHEIM | MTR107071 | OPHEIM | MT | Construction stormwater | Minor | Porcupine |
| MONTANA DEPT OF TRANSPORTATION - D4 CULVERTS PHASE III ARRA 0002(874) 9 AND 10 | MTR104407 | OPHEIM | MT | Construction stormwater | Minor | MIDDLE FORK PORCUPINE CREEK DRAINAGE |
| OPHEIM MAINLINE | MTR109238 | OPHEIM | MT | Construction stormwater | Minor | UNKNOWN |
| OPHEIM MAINLINE | MTR10I03S | OPHEIM | MT | Construction stormwater | Minor | Lower Middle Fork Porcupine Creek |
What this page shows
This page from the EPA NPDES register covers Clean Water Act discharge permits in watershed 10050016. It lists 5 permits on this page and 5 permits in the whole watershed located in MT.