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Table 1. Summary of State, District of Columbia, Puerto Rico, and USVI Bioassessment and Biocriteria Programs

**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

Table 1. Summary of State, District of Columbia, Puerto Rico, and USVI Bioassessment and Biocriteria Programs

Water Quality Criteria