0.2 miles below European Mine at discharging adit

Water temperature directly affects fish metabolism and activity. Optimal range varies by species.

Measures water cloudiness caused by suspended particles. Lower values indicate clearer water. <25 NTU is good.

Water temperature directly affects fish metabolism and activity. Optimal range varies by species.

Measures dissolved ions and minerals in water. Indicates salinity and pollution levels. Freshwater: 100-500 µS/cm.

Measures water cloudiness caused by suspended particles. Lower values indicate clearer water. <25 NTU is good.

Conductivity (µS/cm) - a water quality measurement. Contact local authorities for specific safety guidelines.

Measures dissolved ions and minerals in water. Indicates salinity and pollution levels. Freshwater: 100-500 µS/cm.