Table 5.1     Water Quality Monitoring Parameters and Frequency

Parameters, unit

Depth

Frequency

¡P         Temperature(¢XC)

¡P         pH(pH unit)

¡P         turbidity (NTU)

¡P         water depth (m)

¡P         salinity (ppt)

¡P         DO (mg/L and % of saturation)

¡P         SS (mg/L)

¡P         Ammonia Nitrogen (NH3-N) (mg NH3-N/L)

¡P         Unionized Ammonia (UIA) (mg/L)

¡P         Nitrate-nitrogen (NO3-N) (mg NO3--N/L)

¡P         Ortho-phosphate (PO4) (mg PO43--P/L)

¡P      3 water depths: 1m below water surface, mid-depth and 1m above river bed.

¡P      If the water depth was less than 3m, mid-depth sampling only.

¡P      If water depth was less than 6m, mid-depth may be omitted.

3 days per week during

construction of channel