I am working in a geometric network of a surface water (stormwater) system. We have both public and private assets (pipes/mains, manholes, inlets/CB's, etc.) in the network. I am doing a bit of QC on the data trying to identify any private assets in between public assets. I've worked through this a couple times not really accomplishing what I'm trying to do although my first method found 3 items that fall in this category. I am looking for alternatives to do this analysis and hopefully by consulting the community here I can figure out a different or new approach. The method that worked but only found a few issues (maybe our data is this good but I'd like to verify this with another method) was buffering all manholes by 10 feet and then intersecting private and public mains to find the locations that meet these criteria. I also ran this same analysis method using 30 ft and 50 ft finding no new incidences in the data.
I have searched google, geonet as well as gis.stackexchange for further help with no real ideas of how to improve this analysis. I have come up with a list of over a thousand points where public changes to private but I'd have to go through the entire list manually to see if they fit the criteria and that just doesn't seem like a wise use of time especially if I need to do this again in the future say on the sanitary system side or as changes are made to the system over time.