19' - Major Flood Stage. The creek reaches the road surface on the bridge over Hwy 401. Bridge will be closed to traffic.

17' - Moderate Flood Stage. The creek reaches the bridge trusses on the bridge over Hwy 401.

15' - Minor Flood Stage. The creek spills over the natural bank and retaining embankment at the bridge over Hwy 401.

13' - Action Stage. The creek is approaching bankfull.