Gravois Creek at Union Road : Gravois Creek

Saint Louis, Missouri, United States

pH (0-14) Learn more 7.2
Dissolved oxygen (mg/L) Learn more 10.0
Chlorine (ppm) Learn more 0.5
Hardness (mg/L) Learn more 100
Alkalinity (mg/L) Learn more 160
Conductivity uS/cm Learn more 375

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