Impeded Flow Process - long running time?

Skip to first unread message

Dale White

May 8, 2021, 8:53:22 AMMay 8
to ACPF Forum
Hello ACPF practitioners.
I am running the toolset using ArcGIS Pro 2.7

I tried running on a small watershed and the process was taking 3+ hrs. I cancelled it.
Can someone comment on typical run times for this step?

Thank you.

Maddie Keefer

May 10, 2021, 8:26:53 AMMay 10
to ACPF Forum,
Hi there, 
I don't use ArcGIS Pro but in ArcMap 10.8 the Impeded Flow step typically completes in under a minute for me. 


Dale White

May 10, 2021, 3:40:51 PMMay 10
to ACPF Forum
Thank you for responding.
I am using MS OneDrive and I have been writing both local and to cloud. That is stalling the process.

I then switched to local only (see below - "Status" should be solid green check circle and not hollow check circle). The processes are now finishing in 1-3 minutes.

Great tools! And thank you for building them.



David James

May 11, 2021, 9:42:10 AMMay 11
to Dale White, ACPF Forum
Good to hear Dale...This is an important take home message for all ACPF users. Do Not Use Cloud or Network drives for the software, the toolbox, or the data...ESRI stuff just is not optimized for those kinds of environments. There is too much going on behind the scenes, in terms of temporary files and tables, to support those processing environments.

Dave James

The ACPF Forum is an online group for discussing technical issues related to using the ACPF tools. Anyone can view the discussions at Only members can participate in discussions. Join the group by sending an email to
You received this message because you are subscribed to the Google Groups "ACPF Forum" group.
To unsubscribe from this group and stop receiving emails from it, send an email to
To view this discussion on the web visit
Reply all
Reply to author
0 new messages