Table 1. Summary of State, District of Columbia, Puerto Rico, and USVI Bioassessment and Biocriteria Programs
| Biocriteria in Water Quality Standards | Number of Programs (51 total) |
|---|---|
| Narrative biocriteria statement only | 14 |
| Narrative biocriteria statement with quantitative implementation procedures or translators only | 18 |
| Numeric biocriteria (all states with numeric bio criteria also have narratives) | 6 |
| Assemblages in Bioassessment Program | |
| Benthic macroinvertebrates | 49 |
| Fish | 37 |
| Periphyton | 24 |
| Amphibians | 4 |
| > 1 assemblage assessed | 45 |
| Application of Biocriteria and/or Bioassessment Data | |
| Support 303(d) listings | 46 |
| Support antidegradation policies | 18 |
| Refining Aquatic Life Use | 22 |
| 305(b) water condition assessments | 44 |
| Non-point source assessments | 38 |
| BMP evaluation | 31 |
| Restoration goals | 29 |