2024 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2023 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2020 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2018 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2016 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2015 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2014 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2013 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations

2009 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations