| PurposeFailureName | PurposeFailureDescr | | Dry (no water) | |
| Flooded | Flooded |
| Hard Bottom (no sediment) | |
| Instrument failure | |
| Isolated Pool | isolated pool not connected to moving water source, no flow |
| Large rocks only | |
| No Access | |
| None | |
| Not Recorded | |
| Organisms Dead | |
| Organisms Lost | |
| Other (Describe in SampleComm) | |
| Pre-Abandoned | |
| Results Not Stored | results exist but not stored in dbase; see project management |
| Stagnant | |
| Taxonomy not loaded to dbase | code used for whenTemporary code to indicate when algae or benthic results are not reported/ loaded to the dbase, |
| Too Shallow | Too shallow to collect water samples |