WQLevel 1

Water Quality Index Types

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WQ.02Dissolved Oxygen (DO)

WQ.03Biochemical Oxygen Demand (BOD)

WQ.04Chemical Oxygen Demand (COD)

WQ.05Total Dissolved Solids (TDS)

WQ.07Fecal Coliform Count

WQ.08Nitrate Level

WQ.09Phosphate Level

WQ.10Heavy Metal Content

WQ.11Chlorine Residual

WQ.12Total Suspended Solids (TSS)

WQ.13PFAS Detection

Cross-system equivalences2

NAICS 2022

5417Scientific Research and Development Servicesbroad 924Administration of Environmental Quality Programsbroad

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