EPA · discharge permits by watershed
Subbasins in region 12
- 118Subbasins
Every subbasin in watershed region 12 carrying at least three current Clean Water Act discharge permits, in the order the national Watershed Boundary Dataset numbers them. Each opens that subbasin’s own page, which lists the permits whose outfall EPA places in it and the watersheds inside it. The whole set is on every subbasin, by region.
- Subbasin 12010001 377
- Subbasin 12010002 325
- Subbasin 12010003 56
- Subbasin 12010004 55
- Subbasin 12010005 104
- Subbasin 12020001 205
- Subbasin 12020002 76
- Subbasin 12020003 119
- Subbasin 12020004 171
- Subbasin 12020005 94
- Subbasin 12020006 39
- Subbasin 12020007 91
- Subbasin 12030101 261
- Subbasin 12030102 2,227
- Subbasin 12030103 1,872
- Subbasin 12030104 579
- Subbasin 12030105 1,230
- Subbasin 12030106 2,002
- Subbasin 12030107 262
- Subbasin 12030108 63
- Subbasin 12030109 340
- Subbasin 12030201 102
- Subbasin 12030202 153
- Subbasin 12030203 189
- Subbasin 12040101 1,083
- Subbasin 12040102 1,352
- Subbasin 12040103 601
- Subbasin 12040104 3,878
- Subbasin 12040201 244
- Subbasin 12040202 22
- Subbasin 12040203 243
- Subbasin 12040204 1,256
- Subbasin 12040205 538
- Subbasin 12050001 93
- Subbasin 12050002 99
- Subbasin 12050003 304
- Subbasin 12050004 27
- Subbasin 12050005 56
- Subbasin 12050006 12
- Subbasin 12050007 8
- Subbasin 12060101 28
- Subbasin 12060102 262
- Subbasin 12060103 40
- Subbasin 12060105 32
- Subbasin 12060201 371
- Subbasin 12060202 479
- Subbasin 12060203 84
- Subbasin 12060204 122
- Subbasin 12070101 339
- Subbasin 12070102 71
- Subbasin 12070103 416
- Subbasin 12070104 732
- Subbasin 12070201 303
- Subbasin 12070202 36
- Subbasin 12070203 230
- Subbasin 12070204 129
- Subbasin 12070205 1,027
- Subbasin 12080001 10
- Subbasin 12080002 43
- Subbasin 12080003 48
- Subbasin 12080004 39
- Subbasin 12080005 195
- Subbasin 12080006 30
- Subbasin 12080007 30
- Subbasin 12080008 14
- Subbasin 12090101 14
- Subbasin 12090102 78
- Subbasin 12090103 29
- Subbasin 12090104 38
- Subbasin 12090105 47
- Subbasin 12090106 17
- Subbasin 12090107 54
- Subbasin 12090108 12
- Subbasin 12090109 19
- Subbasin 12090110 13
- Subbasin 12090201 54
- Subbasin 12090203 4
- Subbasin 12090204 27
- Subbasin 12090205 990
- Subbasin 12090206 93
- Subbasin 12090301 823
- Subbasin 12090302 64
- Subbasin 12090401 149
- Subbasin 12090402 50
- Subbasin 12100101 36
- Subbasin 12100102 43
- Subbasin 12100201 100
- Subbasin 12100202 492
- Subbasin 12100203 528
- Subbasin 12100204 62
- Subbasin 12100301 845
- Subbasin 12100302 1,251
- Subbasin 12100303 79
- Subbasin 12100304 646
- Subbasin 12100401 53
- Subbasin 12100402 55
- Subbasin 12100403 21
- Subbasin 12100405 52
- Subbasin 12100406 19
- Subbasin 12100407 55
- Subbasin 12110101 4
- Subbasin 12110103 26
- Subbasin 12110104 12
- Subbasin 12110105 22
- Subbasin 12110106 36
- Subbasin 12110107 14
- Subbasin 12110108 19
- Subbasin 12110109 29
- Subbasin 12110110 72
- Subbasin 12110111 54
- Subbasin 12110201 61
- Subbasin 12110202 248
- Subbasin 12110203 5
- Subbasin 12110204 44
- Subbasin 12110205 56
- Subbasin 12110206 9
- Subbasin 12110207 22
- Subbasin 12110208 874