Restoration of the pool and weir seems to be funded as part of a larger project under the European Regional Development Fund.

There also seems to have been a proposal last year for some facilities; may need to ask the locals.
"Thomastown River Nore Wild Swimming and Canoeing Amenity Hub"
Source (use for reference only!)
https://kilkennycoco.ie/eng/your_council/council_meetings/kilkenny_county_council_ordinary_meetings/2022-council-meetings/ce-management-report-may.pdf