Gravois Creek at Union Road : Gravois Creek

Saint Louis, Missouri, United States

pH (0-14) Learn more 7.5
Dissolved oxygen (mg/L) Learn more 9.0
Chlorine (ppm) Learn more 0.0
Hardness (mg/L) Learn more 100
Alkalinity (mg/L) Learn more 180
Conductivity uS/cm Learn more 369
Water temperature ppt Learn more 21.1

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