Gravois Creek at Union Road : Gravois Creek

Saint Louis, Missouri, United States

pH (0-14) Learn more 6.2
Dissolved oxygen (mg/L) Learn more 11.0
Chlorine (ppm) Learn more 1.0
Hardness (mg/L) Learn more 100
Alkalinity (mg/L) Learn more 140
Conductivity uS/cm Learn more 351
Water temperature ppt Learn more 16.9

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