Upper Decew Falls

Twelve Mile Creek

Thorold, Ontario, Canada

Upper Decew Falls, above the waterfall and mill. The site is located near the parking lot, and the water sample should be collected using a throw bucket to avoid getting too near the water.

Location created by
Kiersten McCutcheon

Group: Water Rangers : Lake Erie Rangers
Site ID: Upper Decew Falls
Lat: 43.1100354
Lng: -79.2646194
Waterbody Type: Creek
Timezone: America/Toronto

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Observations summary

Mammal

Observation tests summary

Air temperature °C

21.0 Latest

4.0 Average

2025-01-02 -> 2025-06-29

Water temperature °C

20.4 Latest

5.9 Average

2025-01-02 -> 2025-06-29

Alkalinity mg/L

60 Latest

104 Average

2025-01-02 -> 2025-06-29

Hardness mg/L

300 Latest

169 Average

2025-01-02 -> 2025-06-29

Chloride ppm

47.0 Latest

51.2 Average

2025-01-02 -> 2025-06-29

Chlorine ppm

0.0 Latest

0.0 Average

2025-01-02 -> 2025-06-29

Conductivity μS/cm

303 Latest

420 Average

2025-01-02 -> 2025-06-29

pH (0-14)

8.0 Latest

7.4 Average

2025-01-02 -> 2025-06-29

Secchi depth m

0.0 Latest

0.0 Average

2025-03-23 -> 2025-04-28

Ice On

2025-02-22
2025-02-08
2025-01-25
2025-01-11

Ice Off

2025-06-29
2025-05-25
2025-04-28
2025-03-30
2025-03-23
2025-03-16
2025-03-08