Heavy rainfall can create unexpected problems for water quality.
I took some photos of livestock manure outflow into streams in AB
last June (2005). The water was almost black.
All photos by Dan L. Johnson
Rainfall runoff ponded along
roads in southern Alberta in June, 2005.
(Highway 3 between Fort Macleod and Lethbridge)
Near Claresholm and Nanton,
Near Nanton, AB, June 28, 05
Water ponds in feedlots
Culverts transmit runoff to
roadsides, which passes water to creeks
Feedlot runoff enters
Mosquito Creek (near Willow Creek), AB, June 28, 05
Water sample from Mosquito
Creek (normally clearer but with some suspended sediment), AB
June 28, 2005 - The dark colour comes from the direct feedlot runoff.
Manure also occurs right up
to the creeks, and runoff can carry this into the streams in a pulse
(photo May, 2004)
Land along the Oldman River
floods, June, 2005