|
| TMDL Approved or established by EPA (4a) | Delisting |
| Other pollution control requirements (4b) | Delisting |
| Not caused by a pollutant (4c) | Delisting |
| Applicable WQS attained, according to new assessment method. | WQS Attainment |
| Applicable WQS attained, due to change in WQS. | WQS Attainment |
| Applicable WQS attained, due to restoration activities. | WQS Attainment |
| Applicable WQS attained; original basis for listing was incorrect. | WQS Attainment |
| Applicable WQS attained; reason for recovery unspecified. | WQS Attainment |
| Applicable WQS attained; threatened water no longer threatened. | WQS Attainment |
| Data and/or information lacking to determine WQ status; original basis for listing was incorrect | WQS Attainment |
