Hydrological Unit: Nishnabotna
| Site number | Name | Site type |
|---|---|---|
| 06810000 | Nishnabotna River above Hamburg, IA | Stream |
| 06810030 | Main Ditch Number Six at Levee Rd near Hamburg, IA | Ditch |
| 403125095384001 | T66N R42W 22AAC1 | Well |
| 403135095382701 | T66N R42W 22AAA1 | Well |
| 403137095350001 | T66N R41W 17CCC1 | Well |
| 403334095381201 | T66N R42W 02CCD1 | Well |
| 403402095415401 | T66N R42W 06ADD1 | Well |
| 403459095393301 | DOH PROJECT WELL 50 | Well |
| 403500095375401 | T67N R42W 35BAB1 | Well |
| 403500095393201 | T67N R42W 33AAA1 | Well |
| 403500095414801 | T67N R42W 32BBB1 | Well |
| 403514095393101 | Missouri River Overflow at I-29 near Hamburg, IA | Stream |
| 403550095375201 | 067N42W26BAD 1946 | Well |
| 403558095393901 | 067N42W28AAAB 40105 1982Hamburg 6 | Well |
| 403602095400201 | 067N42W21DCC 1995FRE3E51 | Well |
| 403602095411501 | 067N42W29BAA 1995FRE3D51 | Well |
| 403603095373401 | 067N42W23DCD 1948 | Well |
| 403603095384301 | 067N42W22DCDA Nishnabotna River | Stream |
| 403604095394401 | 067N42W21DDCA 40104 1973Hamburg 5 | Well |
| 403729095361501 | 067N42W13ADB 02606 1946 | Well |
| 404044095412301 | 068N42W29CAC 1930Waubonsie State Park | Well |
| 404116095431001 | 068N43W25ABA 1995FRE2E51 | Well |
| 404120095444001 | 068N43W23CDD 1995FRE2D48 | Well |