Map of human sewage marker (HF183) detection within stormwater outfalls
into Nose Creek (NC) in Airdrie, Alberta, 2021. Note the overlaid
colored dots representative of HF183 detection at quantifiable levels
(red), detectable but not quantifiable (yellow), and not detected
(green) in the Nose Creek Pond (NP#1) and Nose Creek sites
(NC#1–8). Red arrows represent the directional flow of
stormwater. Note that all maps presented were created and co-owned with
the City of Airdrie, and have been used with permission.