15th Street Storm drain - WAG-E-03 High Priority : Stormwater pipe discharge

North Vancouver, British Columbia, Canada

Observed by
Carolynne Robertson

Observation report

See trends at this location

Water quality tests

Pending Quality Check from Water Rangers What's this?

pH (0-14) What's this? 7.5
Hardness mg/L What's this? 0.0
Alkalinity mg/L What's this? 40.0
Water flow l/sec What's this? 3.98
Conductivity μS/cm What's this? 299.0
Turbidity NTU What's this? 14.0
Air temperature °C What's this? 23.0
Water temperature °C What's this? 18.9

Weather

Current weather What's this?
Weather in previous 24 hours What's this?

Latest photos

Notes

< 14NTU. Water has a greenish cast, but Secchi disk is still clearly visible. measurements taken with YSI. Strong gray water smell consistently.
Wetted width 15 to 20 cm
Wetted depth ~ 15 mm

pipe incline 8°

Bucket/stopwatch measurement for flow:
1st attempt: 5 L at 1.18 seconds =4.24 L/second
2nd attempt:: 6L at 1.7 seconds = 3.53 L/second
3rd attempt: 7L 1.7 seconds (flow is surging) = 4.18 L/second
Average = 3.98 L/second