| Not in tribal reservation |
| Partial tribal reservation |
| Wholly tribal reservation |
| S (T) = Sediment (Turbidity) |
| FB = Fishes bioassessment |
| IB = Invertebrate bioassessment |
| B (EC) = Bacteria (E. coli) |
| B (FC) = Bacteria (Fecal coliform) |
| PFOS (PFOS-F) = Perfluorooctane Sulfonate (in fish) |
| IC (PCB-F) = Industrial contaminants (PCB in fish) |
| P (Ace) = Pesticides (Acetochlor) |
| P (CPF) = Pesticides (Chlorpyrifos) |
| DO = Dissolved oxygen |
| Cl- = Chloride |
| OC (Amm) = Other contaminants (Ammonia, un-ionized) |
| OS (pH) = Other stressors (pH) |