The American Rescue Plan Act, a $1.9 trillion federal stimulus bill, was signed into law in March 2021. 
Pennsylvania municipalities received their second and final payments in September of 2022. Lehigh County was required to establish how they would use its $71,735,692.00 in ARPA allocations by the end of 2024. The funds must then be dispersed by the end of 2026. County. Lehigh County Commissioners voted on how those funds would be used.
To see the allocations use the

A List of funding allocation for Lehigh County can be found on this National League of City’s tracker tool. Select Local Government Type: County or Search by Local Government: Lehigh County
https://www.nlc.org/resource/local-government-arpa-investment-tracker/

Additional articles about Lehigh County ARPA funding distributions:
October 2022, Spotlight PA, Track how your Pa. municipality is using federal stimulus funding
Nov 23, 2021, WFMZ, Lehigh County set to designate American Rescue Plan funds
December 8,  2021, WFMZ, Lehigh County releases $443K in additional relief funds for small businesses
February 9, 2023 Lehigh County Commissioner’s Bill (PDF)

Opioid Settlement Money
Lehigh County is receiving $17.6 million — to be paid over 18 years — from a $1 billion settlement reached with pharmaceutical companies which manufacture opioids. Lehigh County Commissioners are overseeing the use of those funds to benefit citizens in the county.

Additional articles about Opioid Settlement distributions:
May 23, 2023, WFMZ, Lehigh County commissioners expend opioid settlement funds for addiction treatment services at county jail