| Mississippi River | Mississippi (Reach 5) Grant-Maquoketa Wisconsin River to LD 11 (mid Pool 10 to LD 12) | 583.00 | 630.70 | 721000 | River | Crawford, Grant | Total Phosphorus | Impairment Unknown | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 5) Grant-Maquoketa Wisconsin River to LD 11 (mid Pool 10 to LD 12) | 583.00 | 630.70 | 721000 | River | Crawford, Grant | Mercury | Acute Aquatic Toxicity, Impairment Unknown, Elevated Human Health Risks - Toxics | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 5) Grant-Maquoketa Wisconsin River to LD 11 (mid Pool 10 to LD 12) | 583.00 | 630.70 | 721000 | River | Crawford, Grant | PCBs | PCBs Contaminated Fish Tissue, Impairment Unknown | 303d Listed | Low |
| Wisconsin River | Wisconsin River | 0.00 | 27.68 | 1179900 | River | Crawford, Grant | PCBs | PCBs Contaminated Fish Tissue | 303d Listed | Low |
| Wisconsin River | Wisconsin River | 0.00 | 27.68 | 1179900 | River | Crawford, Grant | Mercury | Mercury Contaminated Fish Tissue | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 4) Coon-Yellow - Pool 9 portion - LD 9 to LD 8) | 648.00 | 679.10 | 721000 | River | Crawford, Vernon | Mercury | Mercury Contaminated Fish Tissue, Impairment Unknown | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 4) Coon-Yellow - Pool 9 portion - LD 9 to LD 8) | 648.00 | 679.10 | 721000 | River | Crawford, Vernon | PCBs | PCBs Contaminated Fish Tissue, Impairment Unknown | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 4) Coon-Yellow - Pool 9 portion - LD 9 to LD 8) | 648.00 | 679.10 | 721000 | River | Crawford, Vernon | Total Phosphorus | Impairment Unknown | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 4) Coon-Yellow - Root R to Wis R (Pools 8 to 10) | 630.70 | 679.10 | 721000 | River | Crawford, Grant | Mercury | Acute Aquatic Toxicity, Mercury Contaminated Fish Tissue, Impairment Unknown, Elevated Human Health Risks - Toxics | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 4) Coon-Yellow - Root R to Wis R (Pools 8 to 10) | 630.70 | 679.10 | 721000 | River | Crawford, Grant | PCBs | PCBs Contaminated Fish Tissue, Impairment Unknown | 303d Listed | Low |
| Mississippi River | Mississippi (Reach 4) Coon-Yellow - Root R to Wis R (Pools 8 to 10) | 630.70 | 679.10 | 721000 | River | Crawford, Grant | Total Phosphorus | Impairment Unknown, Excess Algal Growth | 303d Listed | Low |